TLE2426CDR [TI]

The ''Rail Splitter'' Precision Virtual Ground 8-SOIC;
TLE2426CDR
型号: TLE2426CDR
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

The ''Rail Splitter'' Precision Virtual Ground 8-SOIC

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TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
1/2 V Virtual Ground for Analog Systems  
I
Self-Contained 3-terminal TO-226AA  
Package  
Excellent Output Regulation  
45 µV Typ at I = 0 to 10 mA  
O
– +15 µV Typ at I = 0 to +10 mA  
O
Low-Impedance Output . . . 0.0075 Typ  
Micropower Operation . . . 170 µA Typ,  
V = 5 V  
Noise Reduction Pin (D, JG, and P  
Packages Only)  
I
Wide V Range . . . 4 V to 40 V  
I
High Output-Current Capability  
– Source . . . 20 mA Typ  
– Sink . . . 20 mA Typ  
INPUT/OUTPUT TRANSFER CHARACTERISTICS  
10  
V
I
V
I
V
O
V
I
description  
V
8
6
4
O
2
In signal-conditioning applications utilizing a  
single power source, a reference voltage equal to  
one-half the supply voltage is required for  
termination of all analog signal grounds. Texas  
Instruments presents a precision virtual ground  
whose output voltage is always equal to one-half  
the input voltage, the TLE2426 “rail splitter.”  
V
O
The unique combination of a high-performance,  
micropower operational amplifier and a precision-  
trimmed divider on a single silicon chip results in  
2
0
a precise V /V ratio of 0.5 while sinking and  
O
I
sourcing current. The TLE2426 provides a low-  
impedance output with 20 mA of sink and source  
capability while drawing less than 280 µA  
0
0.25  
0.5  
0.75  
1
t – Time – s  
of supply current over the full input range of 4 V to 40 V. A designer need not pay the price in terms of board  
space for a conventional signal ground consisting of resistors, capacitors, operational amplifiers, and voltage  
references. The performance and precision of the TLE2426 is available in an easy-to-use, space saving,  
3-terminal LP package. For increased performance, the optional 8-pin packages provide a noise-reduction pin.  
With the addition of an external capacitor (C ), peak-to-peak noise is reduced while line ripple rejection is  
NR  
improved.  
Initial output tolerance for a single 5-V or 12-V system is better than 1% with 3.6% over the full 40-V input range.  
Ripple rejection exceeds 12 bits of accuracy. Whether the application is for a data acquisition front end, analog  
signal termination, or simply a precision voltage reference, the TLE2426 eliminates a major source of system  
error.  
AVAILABLE OPTIONS  
PACKAGED DEVICES  
CHIP  
SMALL  
OUTLINE  
(D)  
CERAMIC  
DIP  
PLASTIC  
DIP  
FORM  
(Y)  
PLASTIC  
(LP)  
T
A
(JG)  
(P)  
0°C to 70°C  
40°C to 85°C  
55°C to 125°C  
TLE2426CD  
TLE2426ID  
TLE2426MD  
TLE2426CLP  
TLE2426ILP  
TLE2426MLP  
TLE2426CP  
TLE2426IP  
TLE2426MP  
TLE2426Y  
TLE2426MJG  
The D and LP packages are available taped and reeled in the commercial temperature range only. Add R suffix  
to the device type (e. g., TLC2426CDR). Chips are tested at 25°C.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1998, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
description (continued)  
The C-suffix devices are characterized for operation from 0°C to 70°C. The I suffix devices are characterized  
foroperationfrom40°Cto85°C. TheMsuffixdevicesarecharacterizedoverthefullmilitarytemperaturerange  
of 55°C to 125°C.  
LP PACKAGE  
(TOP VIEW)  
D, JG, OR P PACKAGE  
(TOP VIEW)  
OUT  
COMMON  
IN  
NOISE REDUCTION  
1
2
3
4
8
7
6
5
IN  
NC  
NC  
NC  
COMMON  
OUT  
NC  
NC – No internal connection  
TLE2426Y chip information  
This chip, properly assembled, displays characteristics similar to the TLE2426C. Thermal compression or  
ultrasonic bonding may be used on the doped aluminum bonding pads. The chips may be mounted with  
conductive epoxy or a gold-silicon preform.  
BONDING PAD ASSIGNMENTS  
(2) (2)  
(3)  
(1)  
(1)  
(3)  
IN  
(3)  
CHIP THICKNESS:  
15 MILS TYPICAL  
BONDING PADS:  
4 × 4 MILS MINIMUM  
(8)  
(1)  
NOISE  
REDUCTION  
OUT  
+1  
T max = 150°C  
J
60  
TOLERANCES ARE ±10%.  
(2)  
COMMON  
ALL DIMENSIONS ARE IN  
MILS.  
(8)  
NOTE A: Both bonding pads numbered 1, both numbered 2,  
and both numbered 3, must be bonded out to the  
corresponding functions pin.  
88  
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
absolute maximum ratings over operating free-air temperature (unless otherwise noted)  
Continuous input voltage, V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V  
I
Continuous filter trap voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 V  
Output current, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±80 mA  
O
Duration of short-circuit current at (or below) 25°C (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . unlimited  
Continuous total power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Dissipation Rating Table  
Operating free-air temperature range, T : C suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C  
A
I suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40°C to 85°C  
M suffix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55°C to 125°C  
Storage temperature range, T  
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C  
stg  
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or P package . . . . . . . . . . . . . . . . . 260°C  
Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: JG or LP package . . . . . . . . . . . . . . 300°C  
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and  
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not  
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  
NOTE 1: Theoutput may be shorted to either supply. Temperature and/or supply voltages must be limited to ensure that the maximum dissipation  
rating is not exceeded.  
DISSIPATION RATING TABLE  
T
25°C  
DERATING FACTOR  
T
= 70°C  
T
= 85°C  
T = 125°C  
A
A
A
A
PACKAGE  
POWER RATING  
ABOVE T = 25°C  
POWER RATING POWER RATING POWER RATING  
A
D
JG  
LP  
P
725 mV  
1050 mV  
775 mV  
5.8 mW/°C  
8.4 mW/°C  
6.2 mW/°C  
8.0 mW/°C  
464 mW  
672 mW  
496 mW  
640 mW  
377 mW  
546 mW  
403 mW  
520 mW  
145 mW  
210 mW  
155 mW  
200 mW  
1000 mV  
recommended operating conditions  
C SUFFIX  
I SUFFIX  
M SUFFIX  
UNIT  
MIN  
4
MAX  
40  
MIN  
4
MAX  
40  
MIN  
4
MAX  
Input voltage, V  
40  
V
I
Operating free-air temperature, T  
0
70  
40  
85  
55  
125  
°C  
A
3
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
electrical characteristics at specified free-air temperature, V = 5 V, I = 0 (unless otherwise noted)  
I
O
TLE2426C  
PARAMETER  
TEST CONDITIONS  
T
A
UNIT  
MIN  
1.98  
TYP  
2
MAX  
2.02  
V = 4 V  
I
V = 5 V  
25°C  
2.48  
2.5  
20  
2.52  
I
Output voltage  
V
V = 40 V  
I
19.8  
20.2  
V = 5 V  
I
Full range  
Full range  
25°C  
2.475  
2.525  
Temperature coefficient of output voltage  
Supply current  
25  
ppm/°C  
µA  
V = 5 V  
170  
300  
400  
I
No load  
V = 4 to 40 V  
I
Full range  
25°C  
45 ±160  
±250  
I
O
I
O
I
O
I
O
= 0 to 10 mA  
= 0 to 20 mA  
= 0 to 10 mA  
= 0 to 20 mA  
Output voltage regulation  
(sourcing current)  
Full range  
25°C  
µV  
µV  
150 ±450  
15 ±160  
±250  
25°C  
Output voltage regulation  
Full range  
25°C  
(sinking current)  
65 ±235  
Output impedance  
25°C  
7.5  
110  
26  
22.5  
mΩ  
kΩ  
Noise-reduction impedance  
25°C  
Sinking current,  
Sourcing current,  
V
= 5 V  
= 0  
O
Short-circuit current  
25°C  
25°C  
25°C  
25°C  
25°C  
mA  
V
C
C
C
C
C
C
47  
120  
30  
O
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHz  
µV  
= 1 µF  
= 0  
290  
275  
400  
390  
20  
L
L
L
L
V
V
to 0.1%,  
I
= ±10 mA  
O
O
= 100 pF  
= 0  
Output voltage current step response  
Step response  
µs  
µs  
to 0.01%, I = ±10 mA  
O
O
= 100 pF  
V = 0 to 5 V, V to 0.1%  
I
O
C
= 100 pF  
L
V = 0 to 5 V, V to 0.01%  
160  
I
O
Full range is 0°C to 70°C.  
The listed values are not production tested.  
4
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
electrical characteristics at specified free-air temperature, V = 12 V, I = 0 (unless otherwise noted)  
I
O
TLE2426C  
PARAMETER  
TEST CONDITIONS  
T
A
UNIT  
MIN  
1.98  
TYP  
2
MAX  
2.02  
V = 4 V  
I
V = 12 V  
25°C  
5.95  
6
6.05  
I
Output voltage  
V
V = 40 V  
I
19.8  
20  
20.2  
V = 12 V  
I
Full range  
Full range  
25°C  
5.945  
6.055  
Temperature coefficient of output voltage  
Supply current  
35  
ppm/°C  
µA  
V = 12 V  
195  
300  
400  
I
No load  
V = 4 to 40 V  
I
Full range  
25°C  
45 ±160  
±250  
I
O
I
O
I
O
I
O
= 0 to 10 mA  
= 0 to 20 mA  
= 0 to 10 mA  
= 0 to 20 mA  
Output voltage regulation  
(sourcing current)  
Full range  
25°C  
µV  
µV  
150 ±450  
15 ±160  
±250  
25°C  
Output voltage regulation  
Full range  
25°C  
(sinking current)  
65 ±235  
Output impedance  
25°C  
7.5  
110  
31  
22.5  
mΩ  
kΩ  
Noise-reduction impedance  
25°C  
Sinking current,  
Sourcing current,  
V
V
= 12 V  
= 0  
O
Short-circuit current  
25°C  
25°C  
25°C  
25°C  
25°C  
mA  
70  
120  
30  
O
C
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHz  
µV  
C
C
C
C
C
= 1 µF  
= 0  
290  
275  
400  
390  
20  
L
L
L
L
V
V
to 0.1%,  
I
I
= ±10 mA  
= ±10 mA  
O
O
= 100 pF  
= 0  
Output voltage current step response  
Step response  
µs  
µs  
to 0.01%,  
O
O
= 100 pF  
V = 0 to 12 V, V to 0.1%  
I
O
C
= 100 pF  
L
V = 0 to 12 V, V to 0.01%  
120  
I
O
Full range is 0°C to 70°C.  
The listed values are not production tested.  
5
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
electrical characteristics at specified free-air temperature, V = 5 V, I = 0 (unless otherwise noted)  
I
O
TLE2426I  
PARAMETER  
TEST CONDITIONS  
T
A
UNIT  
MIN  
1.98  
2.48  
19.8  
2.47  
TYP  
2
MAX  
2.02  
2.52  
20.2  
2.53  
V = 4 V  
I
V = 5 V  
I
25°C  
2.5  
20  
Output voltage  
V
V = 40 V  
I
V = 5 V  
I
Full range  
Full range  
Temperature coefficient of output volt-  
age  
25  
ppm/°C  
µA  
V = 5 V  
I
25°C  
Full range  
25°C  
170  
300  
400  
Supply current  
No load  
V = 4 to 40 V  
I
45 ±160  
±250  
I
O
= 0 to 10 mA  
Output voltage regulation  
Full range  
25°C  
µV  
µV  
(sourcing current)  
I
O
I
O
I
O
I
O
= 0 to 20 mA  
= 0 to 10 mA  
= 0 to 8 mA  
150 ±450  
15 ±160  
±250  
25°C  
Output voltage regulation  
Full range  
25°C  
(sinking current)  
= 0 to 20 mA  
65 ±235  
Output impedance  
25°C  
7.5  
110  
26  
22.5  
mΩ  
kΩ  
Noise-reduction impedance  
25°C  
Sinking current,  
Sourcing current,  
V
V
= 5 V  
= 0  
O
Short-circuit current  
25°C  
25°C  
25°C  
25°C  
25°C  
mA  
47  
120  
30  
O
C
C
C
C
C
C
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHz  
µV  
= 1 µF  
= 0  
290  
275  
400  
390  
20  
L
L
L
L
V
V
to 0.1%,  
I
I
= ±10 mA  
= ±10 mA  
O
O
= 100 pF  
= 0  
Output voltage current step response  
µs  
µs  
to 0.01%,  
O
O
= 100 pF  
V = 0 to 5 V,  
V
V
to 0.1%  
I
O
O
Step response  
C
= 100 pF  
L
V = 0 to 5 V,  
I
to 0.01%  
160  
Full range is 40°C to 85°C.  
The listed values are not production tested.  
6
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
electrical characteristics at specified free-air temperature, V = 12 V, I = 0 (unless otherwise noted)  
I
O
TLE2426I  
PARAMETER  
TEST CONDITIONS  
T
A
UNIT  
MIN  
1.98  
TYP  
2
MAX  
2.02  
V = 4 V  
I
V = 12 V  
25°C  
5.95  
6
6.05  
I
Output voltage  
V
V = 40 V  
I
19.8  
20  
20.2  
V = 12 V  
I
Full range  
Full range  
25°C  
5.935  
6.065  
Temperature coefficient of output voltage  
Supply current  
35  
ppm/°C  
µA  
V = 12 V  
195  
300  
400  
I
No load  
V = 4 to 40 V  
I
Full range  
25°C  
45 ±160  
±250  
I
O
= 0 to 10 mA  
Output voltage regulation  
(sourcing current)  
Full range  
25°C  
µV  
µV  
I
O
I
O
I
O
I
O
= 0 to 20 mA  
= 0 to 10 mA  
= 0 to 8 mA  
150 ±450  
15 ±160  
±250  
25°C  
Output voltage regulation  
Full range  
25°C  
(sinking current)  
= 0 to 20 mA  
65 ±235  
Output impedance  
25°C  
7.5  
110  
31  
22.5  
mΩ  
kΩ  
Noise-reduction impedance  
25°C  
Sinking current,  
Sourcing current,  
V
V
= 12 V  
= 0  
O
Short-circuit current  
25°C  
25°C  
25°C  
25°C  
25°C  
mA  
70  
120  
30  
O
C
C
C
C
C
C
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHz  
µV  
= 1 µF  
= 0  
290  
275  
400  
390  
20  
L
L
L
L
V
V
to 0.1%,  
I
= ±10 mA  
= ±10 mA  
O
O
= 100 pF  
= 0  
Output voltage current step response  
Step response  
µs  
µs  
to 0.01%,  
I
O
O
= 100 pF  
V = 0 to 12 V, V to 0.1%  
I
O
C
= 100 pF  
L
V = 0 to 12 V, V to 0.01%  
120  
I
O
Full range is 40°C to 85°C.  
The listed values are not production tested.  
7
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
electrical characteristics at specified free-air temperature, V = 5 V, I = 0 (unless otherwise noted)  
I
O
TLE2426M  
PARAMETER  
TEST CONDITIONS  
T
UNIT  
A
MIN  
TYP  
2
MAX  
2.02  
V = 4 V  
1.98  
2.48  
I
V = 5 V  
I
25°C  
2.5  
20  
2.52  
Output voltage  
V
V = 40 V  
I
19.8  
20.2  
V = 5 V  
I
Full range  
Full range  
25°C  
2.465  
2.535  
Temperature coefficient of output voltage  
Supply current  
25  
ppm/°C  
µA  
V = 5 V  
170  
300  
400  
I
No load  
V = 4 to 40 V Full range  
I
25°C  
Full range  
25°C  
45 ±160  
±250  
I
= 0 to 10 mA  
Output voltage regulation  
(sourcing current)  
O
µV  
µV  
I
O
I
O
I
O
I
O
= 0 to 20 mA  
= 0 to 10 mA  
= 0 to 3 mA  
150 ±450  
15 ±160  
±250  
25°C  
Output voltage regulation  
Full range  
25°C  
(sinking current)  
= 0 to 20 mA  
65 ±235  
Output impedance  
25°C  
7.5  
110  
26  
22.5  
mΩ  
kΩ  
Noise-reduction impedance  
25°C  
Sinking current,  
Sourcing current,  
V
V
= 5 V  
= 0  
O
Short-circuit current  
25°C  
25°C  
25°C  
25°C  
25°C  
mA  
47  
120  
30  
O
C
C
C
C
C
C
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHz  
µV  
= 1 µF  
= 0  
290  
275  
400  
390  
20  
L
L
L
L
V
V
to 0.1%,  
I
I
= ±10 mA  
= ±10 mA  
O
O
= 100 pF  
= 0  
Output voltage current step response  
Step response  
µs  
µs  
to 0.01%,  
O
O
= 100 pF  
V = 0 to 5 V,  
V
V
to 0.1%  
I
O
O
C
= 100 pF  
L
V = 0 to 5 V,  
I
to 0.01%  
120  
Full range is 55°C to 125°C.  
The listed values are not production tested.  
8
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
electrical characteristics at specified free-air temperature, V = 12 V, I = 0 (unless otherwise noted)  
I
O
TLE2426M  
PARAMETER  
TEST CONDITIONS  
T
UNIT  
A
MIN  
TYP  
2
MAX  
2.02  
V = 4 V  
1.98  
5.95  
I
V = 12 V  
I
25°C  
6
6.05  
Output voltage  
V
V = 40 V  
I
19.8  
20  
20.2  
V = 12 V  
I
Full range  
Full range  
25°C  
5.925  
6.075  
Temperature coefficient of output voltage  
Supply current  
35  
ppm/°C  
µA  
V = 12 V  
195  
250  
350  
I
No load  
V = 4 to 40 V Full range  
I
25°C  
Full range  
25°C  
45 ±160  
±250  
I
= 0 to 10 mA  
Output voltage regulation  
(sourcing current)  
O
µV  
µV  
I
O
I
O
I
O
I
O
= 0 to 20 mA  
= 0 to 10 mA  
= 0 to 8 mA  
150 ±450  
15 ±160  
±250  
25°C  
Output voltage regulation  
Full range  
25°C  
(sinking current)  
= 0 to 20 mA  
65 ±235  
Output impedance  
25°C  
7.5  
110  
31  
22.5  
mΩ  
kΩ  
Noise-reduction impedance  
25°C  
Sinking current,  
Sourcing current,  
V
V
= 12 V  
= 0  
O
Short-circuit current  
25°C  
25°C  
25°C  
25°C  
25°C  
mA  
70  
120  
30  
O
C
C
C
C
C
C
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHz  
µV  
= 1 µF  
= 0  
290  
275  
400  
390  
12  
L
L
L
L
V
V
to 0.1%,  
I
= ±10 mA  
= ±10 mA  
O
O
= 100 pF  
= 0  
Output voltage current step response  
Step response  
µs  
µs  
to 0.01%,  
I
O
O
= 100 pF  
V = 0 to 12 V, V to 0.1%  
I
O
C
= 100 pF  
L
V = 0 to 12 V, V to 0.01%  
120  
I
O
Full range is 55°C to 125°C.  
The listed values are not production tested.  
9
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
electrical characteristics at specified free-air temperature, V = 5 V, I = 0, T = 25°C (unless  
I
O
A
otherwise noted)  
TLE2426Y  
TYP  
2.5  
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN  
MAX  
Output voltage  
Supply current  
V = 5 V  
I
V
No load  
170  
45  
150  
15  
µA  
I
O
I
O
I
O
I
O
= 0 to 10 mA  
Output voltage regulation (sourcing current)  
µV  
µV  
= 0 to 20 mA  
= 0 to 10 mA  
= 0 to 20 mA  
Output voltage regulation (sinking current)  
65  
Output impedance  
7.5  
mΩ  
kΩ  
Noise-reduction impedance  
110  
26  
Sinking current,  
Sourcing current,  
V
V
= 5 V  
= 0  
O
Short-circuit current  
mA  
47  
120  
30  
O
C
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHz  
µV  
C
C
C
C
C
= 1 µF  
= 0  
290  
275  
400  
390  
20  
L
L
L
L
V
V
to 0.1%,  
I
I
= ±10 mA  
= ±10 mA  
O
O
= 100 pF  
= 0  
Output voltage current step response  
Step response  
µs  
µs  
to 0.01%,  
O
O
= 100 pF  
V = 0 to 5 V,  
I
V = 0 to 5 V,  
I
V
V
to 0.1%  
O
O
C
= 100 pF  
L
to 0.01%  
160  
The listed values are not production tested.  
electrical characteristics at specified free-air temperature, V = 12 V, I = 0, T = 25°C (unless  
I
O
A
otherwise noted)  
TLE2426Y  
TYP  
6
PARAMETER  
TEST CONDITIONS  
UNIT  
MIN  
MAX  
Output voltage  
Supply current  
V = 12 V  
I
V
No load  
195  
45  
150  
15  
µA  
I
O
I
O
I
O
I
O
= 0 to 10 mA  
Output voltage regulation (sourcing current)  
µV  
µV  
= 0 to 20 mA  
= 0 to 3 mA  
Output voltage regulation (sinking current)  
= 0 to 20 mA  
65  
Output impedance  
7.5  
mΩ  
kΩ  
Noise-reduction impedance  
110  
31  
Sinking current,  
Sourcing current,  
V
V
= 12 V  
= 0  
O
Short-circuit current  
mA  
70  
120  
30  
O
C
C
C
C
C
C
= 0  
NR  
NR  
Output noise voltage, rms  
f = 10 Hz to 10 kHZ  
µV  
= 1 µF  
= 0  
290  
275  
400  
390  
12  
L
L
L
L
V
to 0.1%,  
I
= ±10 mA  
= ±10 mA  
O
O
O
O
= 100 pF  
= 0  
Output voltage current, step response  
Step response  
µs  
µs  
V
to 0.01%,  
I
= 100 pF  
V = 0 to 12 V,  
I
V = 0 to 12 V,  
I
V
V
to 0.1%  
O
O
C
= 100 pF  
L
to 0.01%  
120  
The listed values are not production tested.  
10  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
TYPICAL CHARACTERISTICS  
Table Of Graphs  
FIGURE  
Output voltage  
Distribution  
1,2  
Output voltage change  
Output voltage error  
vs Free-air temperature  
3
4
vs Input voltage  
vs Input voltage  
5
Input bias current  
vs Free-air temperature  
6
Output voltage regulation  
Output impedance  
vs Output current  
vs Frequency  
vs Input voltage  
vs Free-air temperature  
vs Frequency  
vs Frequency  
vs Time  
7
8
9,10  
11,12  
13  
14  
15  
16  
17  
Short-circuit output current  
Ripple rejection  
Spectral noise voltage density  
Output voltage response to output current step  
Output voltage power-up response  
Output current  
vs Time  
vs Load capacitance  
11  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
TYPICAL CHARACTERISTICS  
DISTRIBUTION  
OF  
DISTRIBUTION  
OF  
OUTPUT VOLTAGE  
OUTPUT VOLTAGE  
3
2.5  
2
40  
30  
20  
98 Units Tested  
From 2 Wafer Lots  
98 Units Tested  
From 2 Wafer Lots  
V = 5 V  
V = 12 V  
I
I
T
A
= 25°C  
T
= 25°C  
A
1.5  
1
10  
0
0.5  
0
2.48  
2.49  
2.5  
2.51  
2.52  
6
6.025  
6.05  
6.075  
6.1  
V
O
– Output Voltage – V  
V
O
– Output Voltage – V  
Figure 1  
Figure 2  
OUTPUT VOLTAGE ERROR  
OUTPUT VOLTAGE CHANGE  
vs  
vs  
INPUT VOLTAGE  
FREE-AIR TEMPERATURE  
4
3
2
150  
75  
I
T
= 0  
= 25°C  
O
A
V = 40 V  
I
I
O
= 0  
Error Equals V /V Deviation From 50%  
O
I
V = 12 V  
I
0
V = 4 V, 5 V  
I
1
0
75  
–1  
150  
0
4
8
12 16 20 24 28 32 36 40  
0
25  
50  
75  
100 125  
75 50 25  
T
A
– Free-Air Temperature – °C  
V – Input Voltage – V  
I
Figure 3  
Figure 4  
Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices.  
12  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
TYPICAL CHARACTERISTICS  
INPUT BIAS CURRENT  
INPUT BIAS CURRENT  
vs  
vs  
INPUT VOLTAGE  
FREE-AIR TEMPERATURE  
300  
250  
300  
250  
200  
150  
100  
50  
I
O
= 0  
V = 40 V  
I
T
= 25°C  
A
V = 12 V  
I
200  
150  
100  
50  
T
A
= 55°C  
V = 5 V  
I
V = 4 V  
I
T
A
= 125°C  
I
O
= 0  
0
0
0
5
10  
15  
20  
25  
30  
35  
40  
75 50 –20  
0
25  
50  
75  
100 125  
V – Input Voltage – V  
I
T
A
– Free-Air Temperature – °C  
Figure 5  
Figure 6  
OUTPUT VOLTAGE REGULATION  
OUTPUT IMPEDANCE  
vs  
vs  
OUTPUT CURRENT  
FREQUENCY  
500  
250  
0
100  
10  
1
V = 5 V or 12 V  
V = 5 V or 12 V  
I
I
I
T
= 0  
T
A
= 25°C  
O
Max  
= 25°C  
A
Max  
Typ  
0.1  
0.01  
Min  
250  
500  
Min  
0.001  
10  
100  
1 k  
10 k  
100 k  
1 M  
20  
10  
0
10  
20  
f – Frequency – Hz  
I
O
– Output Current – mA  
Figure 7  
Figure 8  
Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices.  
13  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
TYPICAL CHARACTERISTICS  
SHORT-CIRCUIT OUTPUT CURRENT  
SHORT-CIRCUIT OUTPUT CURRENT  
vs  
vs  
INPUT VOLTAGE  
INPUT VOLTAGE  
40  
0
V
= GND  
O
(Output Sourcing)  
T
A
= 25°C  
T
= 55°C  
20  
A
30  
20  
T
A
= 125°C  
40  
60  
80  
T
= 55°C  
A
10  
0
V
= V  
I
O
(Output Sinking)  
T
A
= 125°C  
T
= 25°C  
A
0
5
10  
15  
20  
25  
30  
35  
40  
0
5
10  
15  
20  
25  
30  
35  
40  
V – Input Voltage – V  
I
V – Input Voltage – V  
I
Figure 9  
Figure 10  
SHORT-CIRCUIT OUTPUT CURRENT  
SHORT-CIRCUIT OUTPUT CURRENT  
vs  
vs  
FREE-AIR TEMPERATURE  
FREE-AIR TEMPERATURE  
0
40  
V = 40 V  
I
V
= GND  
O
V = 4 V  
10  
20  
I
(Output Sourcing)  
V = 12 V  
I
30  
20  
V = 5 V  
I
30  
40  
V = 4 V  
I
V = 5 V  
I
50  
60  
V = 12 V  
I
10  
0
V
O
= V  
I
70  
80  
V = 40 V  
I
(Output Sinking)  
75 50 25  
0
25  
50  
75  
100 125  
75 50 25  
0
25  
50  
75  
100 125  
T
A
– Free-Air Temperature – °C  
T
A
– Free-Air Temperature – °C  
Figure 11  
Figure 12  
Data at high and low temperatures are applicable within the rated operating free-air temperature ranges of the various devices.  
14  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
TYPICAL CHARACTERISTICS  
RIPPLE REJECTION  
vs  
SPECTRAL NOISE VOLTAGE DENSITY  
vs  
FREQUENCY  
FREQUENCY  
400  
300  
200  
100  
90  
80  
70  
60  
50  
40  
30  
V = 5 V or 12 V  
I
V = 5 V or 12 V  
I
T
= 25°C  
A
V  
= 1 V  
I(PP)  
= 0  
C
= 1 µF  
NR  
I
O
T
= 25°C  
A
100  
0
20  
10  
0
C
= 0  
NR  
C
= 0  
NR  
C
= 1 µF  
NR  
10  
100  
1 k  
10 k  
100 k  
1 M  
1
10  
100  
1 k  
10 k  
100 k  
f – Frequency – Hz  
f – Frequency – Hz  
Figure 13  
Figure 14  
OUTPUT VOLTAGE RESPONSE  
TO OUTPUT CURRENT STEP  
OUTPUT VOLTAGE POWER-UP RESPONSE  
3
2.5  
2
1.5 V  
0.1%  
Output Voltage Response  
0.01%  
4
3
2
1
V = 5 V  
I
C
= 100 pF  
L
T
= 25°C  
A
0.1%  
1.5  
1
I
C
= 0  
O
0.01%  
= 100 pF  
= 25°C  
0
L
0.01%  
T
A
–1  
0.5  
–2  
10 mA  
Step  
0
5
0.1%  
I
O
–3  
Input Voltage Step  
–4  
10 mA  
0
–1.5 V  
0
50  
100  
150  
200  
0
1000  
2000  
3000  
4000  
Time – µs  
Time – µs  
Figure 15  
Figure 16  
15  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
TYPICAL CHARACTERISTICS  
STABILITY RANGE  
OUTPUT CURRENT  
vs  
LOAD CAPACITANCE  
20  
V = 5 V  
I
Unstable  
15  
10  
T
= 25°C  
A
5
0
Stable  
–5  
10  
15  
20  
1
2
10  
–6 –5  
10 10  
–4  
–2  
0
–3  
–1  
10  
10  
10  
10  
10  
F
10  
C – Load Capacitance –  
L
Figure 17  
16  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
MACROMODEL INFORMATION  
*
*
*
*
TLE2426 OPERATIONAL AMPLIFIER “MACROMODEL” SUBCIRCUIT  
CREATED USING PARTS RELEASE 4.03 0N 08/21/90 AT 13:51  
REV (N/A)  
SUPPLY VOLTAGE: 5 V  
FILTER  
CONNECTIONS:  
|
|
|
|
1
INPUT  
*
*
*
|
|
|
3
COMMON  
|
|
4
OUTPUT  
|
5
.SUBCKT TLE2426  
C1  
11 12 21.66E–12  
C2  
6
7 30.00E–12  
C3  
CPSR  
DCM+ 81 82 DX  
DCM83 81 DX  
DC  
DE  
DLP  
DLN  
DP  
87 0 10.64E–9  
85 86 15.9E–9  
5 53 DX  
54 5 DX  
90 91 DX  
92 90 DX  
4
3 DX  
ECMR  
EGND  
EPSR  
ENSE  
FB  
84 99 (2,99) 1  
99 0 POLY(2)  
85 0 POLY(1)  
89 2 POLY(1)  
7 99 POLY(6)  
(3,0) (4,0)  
0
.5 .5  
(3,4) –16.22E–6 3.24E–6  
(88,0) 120E–61  
VB VC VE VLPVLNVPSR 0 74.8E6 10E6 10E6  
0 11 12 320.4E–6  
10E6  
10E6 74E6  
GA  
6
GCM  
GPSR  
GRC1  
GRC2  
GRE1  
GRE2  
HLIM  
HCMR  
IRP  
IEE  
IIO  
I1  
0
6 10 99 1.013E–9  
85 86 (85,86)  
100E–6  
4 11 (4,11) 3.204E–4  
4 12 (4,12) 3.204E–4  
13 10 (13,10)  
14 10 (14,10)  
1.038E–3  
1.038E–3  
90 0 VLIM  
1K  
80 1 POLY(2)  
VCM+  
VCM–  
0
1E2  
1E2  
3
4 146E–6  
3 10 DC 24.05E–6  
0 .2E–9  
2
88 0 1E21  
11 89 13 QX  
12 80 14 QX  
Q1  
Q2  
R2  
6
9 100.0E3  
RCM  
REE  
RN1  
RN2  
RO1  
RO2  
84 81 1K  
10 99 8.316E6  
87  
0
2.55E8  
87 88 11.67E3  
5 63  
7 99 62  
8
VCM+ 82 99 1.0  
VCM83 99 2.3  
VB  
9
0 DC 0  
VC  
3 53 DC 1.400  
54 4 DC 1.400  
VE  
VLIM  
VLP  
VLN  
VPSR  
RFB  
RIN1  
RIN2  
7
8 DC 0  
91 0 DC 30  
0 92 DC 30  
0 86 DC 0  
5
3
1
2 1K  
1 220K  
4 220K  
.MODEL DX D(IS=800.OE–18)  
.MODEL QX PNP(IS=800.OE18BF=480)  
.ENDS  
17  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
MECHANICAL INFORMATION  
D (R-PDSO-G**)  
PLASTIC SMALL-OUTLINE PACKAGE  
14 PIN SHOWN  
0.050 (1,27)  
0.020 (0,51)  
0.014 (0,35)  
0.010 (0,25)  
M
14  
8
0.008 (0,20) NOM  
0.244 (6,20)  
0.228 (5,80)  
0.157 (4,00)  
0.150 (3,81)  
Gage Plane  
0.010 (0,25)  
1
7
0°8°  
0.044 (1,12)  
A
0.016 (0,40)  
Seating Plane  
0.004 (0,10)  
0.010 (0,25)  
0.004 (0,10)  
0.069 (1,75) MAX  
PINS **  
8
14  
16  
DIM  
0.197  
(5,00)  
0.344  
(8,75)  
0.394  
(10,00)  
A MAX  
0.189  
(4,80)  
0.337  
(8,55)  
0.386  
(9,80)  
A MIN  
4040047/D 10/96  
NOTES: A. All linear dimensions are in inches (millimeters).  
B. This drawing is subject to change without notice.  
C. Body dimensions do not include mold flash or protrusion, not to exceed 0.006 (0,15).  
D. Falls within JEDEC MS-012  
18  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
MECHANICAL INFORMATION  
JG (R-GDIP-T8)  
CERAMIC DUAL-IN-LINE PACKAGE  
0.400 (10,20)  
0.355 (9,00)  
8
5
0.280 (7,11)  
0.245 (6,22)  
1
4
0.065 (1,65)  
0.045 (1,14)  
0.310 (7,87)  
0.290 (7,37)  
0.020 (0,51) MIN  
0.200 (5,08) MAX  
0.130 (3,30) MIN  
Seating Plane  
0.063 (1,60)  
0.015 (0,38)  
0°–15°  
0.023 (0,58)  
0.015 (0,38)  
0.100 (2,54)  
0.014 (0,36)  
0.008 (0,20)  
4040107/C 08/96  
NOTES: A. All linear dimensions are in inches (millimeters).  
B. This drawing is subject to change without notice.  
C. This package can be hermetically sealed with a ceramic lid using glass frit.  
D. Index point is provided on cap for terminal identification only on press ceramic glass frit seal only.  
E. Falls within MIL-STD-1835 GDIP1-T8  
19  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
MECHANICAL INFORMATION  
LP (O-PBCY-W3)  
PLASTIC CYLINDRICAL PACKAGE  
0.022 (0,56)  
Wide  
0.016 (0,41)  
0.165 (4,19)  
0.125 (3,17)  
3 Leads  
0.016 (0,41)  
0.014 (0,35)  
Thick  
0.105 (2,67)  
0.080 (2,03)  
Seating Plane  
0.055 (1,40)  
0.045 (1,14)  
0.050 (1,27)  
(see Note C)  
0.105 (2,67)  
0.095 (2,41)  
0.135 (3,43) MIN  
3
2
1
0.205 (5,21)  
0.175 (4,44)  
DIA  
0.105 (2,67)  
0.080 (2,03)  
0.210 (5,34)  
0.170 (4,32)  
0.500 (12,70) MIN  
4040001/B 01/95  
NOTES: A. All linear dimensions are in inches (millimeters).  
B. This drawing is subject to change without notice.  
C. Lead dimensions are not controlled within this area.  
D. Falls within JEDEC TO-226AA (TO-226AA replaces TO-92)  
20  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
TLE2426, TLE2426Y  
THE “RAIL SPLITTER”  
PRECISION VIRTUAL GROUND  
SLOS098D – AUGUST 1991 – REVISED MAY 1998  
MECHANICAL INFORMATION  
P (R-PDIP-T8)  
PLASTIC DUAL-IN-LINE PACKAGE  
0.400 (10,60)  
0.355 (9,02)  
8
5
0.260 (6,60)  
0.240 (6,10)  
1
4
0.070 (1,78) MAX  
0.310 (7,87)  
0.290 (7,37)  
0.020 (0,51) MIN  
0.200 (5,08) MAX  
Seating Plane  
0.125 (3,18) MIN  
0.100 (2,54)  
0°15°  
0.021 (0,53)  
0.015 (0,38)  
0.010 (0,25)  
M
0.010 (0,25) NOM  
4040082/B 03/95  
NOTES: A. All linear dimensions are in inches (millimeters).  
B. This drawing is subject to change without notice.  
C. Falls within JEDEC MS-001  
21  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
IMPORTANT NOTICE  
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pertaining to warranty, patent infringement, and limitation of liability.  
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in  
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent  
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily  
performed, except those mandated by government requirements.  
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF  
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL  
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR  
WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER  
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BE FULLY AT THE CUSTOMER’S RISK.  
In order to minimize risks associated with the customer’s applications, adequate design and operating  
safeguards must be provided by the customer to minimize inherent or procedural hazards.  
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent  
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other  
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party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.  
Copyright 1998, Texas Instruments Incorporated  

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