LM108AJAN [TI]
LM108AJAN Operational Amplifiers; LM108AJAN运算放大器
| 型号： | LM108AJAN |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | LM108AJAN Operational Amplifiers |
| 文件： | 总18页 (文件大小：749K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LM108AJAN
LM108AJAN Operational Amplifiers
Literature Number: SNOSAJ6B
OBSOLETE
September 29, 2010
LM108AJAN
Operational Amplifiers
General Description
The LM108 is a precision operational amplifier having speci-
fications a factor of ten better than FET amplifiers over a −55°
C to +125°C temperature range.
fact, it operates from 10 MΩ source resistances, introducing
less error than devices such as the 709 with 10 kΩ sources.
Integrators with drifts less than 500 μV/sec and analog time
delays in excess of one hour can be made using capacitors
no larger than 1 μF.
The devices operate with supply voltages from ±2V to ±20V
and have sufficient supply rejection to use unregulated sup-
plies. Although the circuit is interchangeable with, and uses
the same compensation as the LM101A, an alternate com-
pensation scheme can be used to make it particularly insen-
sitive to power supply noise and to make supply bypass
capacitors unnecessary.
Features
Maximum input bias current of 3.0 nA over temperature
■
■
■
Offset current less than 400 pA over temperature
Supply current oly 300 μA, even in saturation
Guaranteed drhareristics
■
The low current error of the LM108 makes possible many de-
signs that are not practical with conventional amplifiers. In
Ordering Information
NS PART NUMBER
JL108ABGA
JL108ABPA
JL108ABCA
JL108ABHA
JL108ABZA
JL108ASGA
JL108ASPA
JL108ASCA
JL108ASHA
SMD PART NUMBER
JM38510/10104BGA
JM38510/10104BPA
JM38510/10104BCA
JM38510/10104BHA
JM38510/10104B
JM38510/1010
JM38510/1010
JM38510104S
JM38510104HA
NS CKAE NUMBER
PACKAGE DISCRIPTION
8LD Metal Can
H08
A
8LD CERDIP
J14A
14LD CERDIP
W10A
WG10A
H08C
J08A
10LD CERPACK
10LD Ceramic SOIC
8LD Metal Can
8LD CERDIP
J14A
14LD CERDIP
W10A
10LD CERPACK
Dual-In-Line Package
Connection Diagrams
Metal Can Pa
20129415
Top View
See NS Package Number J08A
20129413
*Package is connected to Pin 4 (V−)
**Unused pin (no internal connection) to allow for input anti-leakage guard
ring on printed circuit board layout.
See NS Package Number H08C
© 2010 National Semiconductor Corporation
201294
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
20129417
Top View
See NS Package Number W10A, WG10A
20129416
Top View
See NS Package Number J14A
Schematic Diagram
20129408
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
Alternate Frequency Compensation
Compensation Circuits
(Note 1)
Standard Compensation Circuit
20129402
**Bandwidth and ste proportional to 1/CS
20129401
Note 1: Improvs rejepowupply noise by a factor of ten.
CO = 30 pF
**Bandwidth and slew rate are proportional to 1/Cf
Feedforward Compensat
20129403
3
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
Absolute Maximum Ratings (Note 2)
Supply Voltage
±22V
Power Dissipation (Note 3)
Metal Can 8LD
330mW @ +125°C
400mW @ +125°C
400mW @ +125°C
330mW @ +125°C
330mW @ +125°C
±10 mA
CERDIP 14LD
CERDIP 8LD
CERPACK 10LD
Ceramic SOIC 10LD
Differential Input Current (Note 4)
Differential Input Voltage(Note 6)
Input Voltage (Note 5)
Output Short-Circuit Duration
Operating Temperature Range
±30V
±20V
Continuous
−55°≤TA≤ +125°C
−6≤≤ +10°C
Storage Temperature Range
Thermal Resistance
ꢀθJA
Metal Can 8LD Still Air
500LF / Min Air Flow
C/W
86°C
94°C/W
5°C/W
20°C/W
68°C/W
225°C/W
142°C/W
225°C/W
142°C/W
CERDIP 14LD Still Air
500LF / Min Air Flow
CERDIP 8LD Still Air
500LF / Min Air Flow
CERPACK 10LD Still Air
500LF / Min Air Flow
Ceramic SOIC 10LD Still Air
500LF / Min Air Flow
ꢀθJC
Metal Can 8LD
38°C/W
13°C/W
17°C/W
21°C/W
21°C/W
CERDIP 14LD
CERDIP 8LD
CERPACK 10LD
Ceramic SOIC 10LD
Package Weight (typical)
Metal Can 8LD
990mg
2,180mg
1,090mg
225mg
210mg
175°C
CERDIP 14LD
CERDIP 8LD
CERPACK 10LD
Ceramic SOIC 10LD
Maximum Junction Teperature
Lead Temperature (Soldering, 10 sec)
ESD Tolerance (Note 7)
300°C
2000V
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
Quality Conformance Inspection
Mil-Std-883, Method 5005 - Group A
Subgroup
Description
Static tests at
Temp (°C)
+25°C
1
2
Static tests at
+125°C
−55°C
3
Static tests at
4
Dynamic tests at
Dynamic tests at
Dynamic tests at
Functional tests at
Functional tests at
Functional tests at
Switching tests at
Switching tests at
Switching tests at
+25°C
5
+125°C
−55°C
6
7
+25°C
8A
8B
9
+125°C
−55°C
+25°C
10
11
+125°C
−55°C
LM108A Electrical Characteristics
DC Parameters
The following conditions apply to all the following parameters, unless erwspecified.
DC: +VCC = +20V, −VCC = −20V, VCM = 0V, RS = 50Ω
Sub-
groups
Symbol
VIO
Parameter
Condiions
Notes
Min Max
Units
Input Offset Voltage
+VCC = 35V, -VCC =
VCM = -15V
-0.5
-1
0.5
1
mV
mV
1
2, 3
1
+VCC = V,
VCM = 1
-0.5
-1
0.5
1
mV
mV
2, 3
1
-0.5
-1
0.5
1
mV
mV
2, 3
1
+5VCC = -5V
-0.5
-1
0.5
1
mV
mV
2, 3
2
Delta VIO
Delta T
/
Temperature Coeffient of I
Offset Voltage
(Note 8)
(Note 8)
-5
5
µV/°C
≤ TA ≤ +125°C
≤ TA ≤ -55°C
-5
5
µV/°C
nA
3
1
IIO
Input Offset Current
CC = 35V, -VCC = -5V,
-0.2
-0.4
-0.2
-0.4
-0.2
-0.4
-0.2
-0.4
-2.5
0.2
0.4
0.2
0.4
0.2
0.4
0.2
0.4
2.5
VCM = -15V
nA
2, 3
1
+VCC = 5V, -VCC = -35V,
VCM = 15V
nA
nA
2, 3
1
nA
nA
2, 3
1
+VCC = +5V, -VCC = -5V
nA
nA
2, 3
2
Delta IIO
Delta T
/
Temperature Coeffient of Input
Offset Current
(Note 8)
(Note 8)
pA/°C
25°C ≤ TA ≤ +125°C
25°C ≤ TA ≤ -55°C
-2.5
2.5
pA/°C
3
5
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
Sub-
groups
Symbol
±IIB
Parameter
Input Bias Current
Conditions
Notes
Min Max
Units
+VCC = 35V, -VCC = -5V,
VCM = -15V
-0.1
-1
2
2
nA
nA
1
2
-0.1
-0.1
-1
3
nA
3
+VCC = 5V, -VCC = -35V,
VCM = 15V
2
nA
1
2
nA
2
-0.1
-0.1
-1
3
nA
3
2
nA
1
2
nA
2
-0.1
-0.1
-1
3
nA
3
1
+VCC = +5V, -VCC = -5V
2
nA
2
nA
2
-0.1
-16
-1
6
3
nA
3
+PSRR
-PSRR
CMRR
+IOS
Power Supply Rejection Ratio
Power Supply Rejection Ratio
+VCC = 10V, -VCC = -20V
+VCC = 20V, -VCC = -10V
16
16
µV/V
µV/V
dB
1, 2, 3
1, 2, 3
1, 2, 3
Common Mode Rejection Ratio VCM = ±15V
Short Circuit Current
Short Circuit Current
Power Supply Current
+VCC = +15V, -VCC = -15V,
-20
mA
mA
1, 2, 3
1, 2, 3
t ≤ 25mS
+VCC = +15V, -VCC = -15
−IOS
20
t ≤ 25mS
+VCC = +15V, -VCC = -15V
ICC
0.6
0.8
mA
mA
V
1, 2
3
+VOP
−VOP
+AVS
Output Voltage Swing
Output Voltage Swing
Open Loop Voltage Gain
RL = 10KΩ
16
4, 5, 6
RL = 10KΩ
-16
V
4, 5, 6
4
(Note 9)
(Note 9)
(Note 9)
(Note 9)
80
40
80
40
V/mV
V/mV
V/mV
V/mV
RL = 10
5, 6
4
−AVS
AVS
Open Loop Voltage Gain
Open Loop Voltage Gain
R10KΩV
5, 6
±5
(Note 9)
20
V/mV
4, 5, 6
RL = 10KΩVO = ±2V
AC Parameters
The following conditions apply to all the foparameters, unless otherwise specified.
AC +VCC = +20V, −VCC = −0V, RS = 50Ω
Sub-
groups
Symbol
TRTR
Param
Conditions
Notes
Min Max
Units
Transient Response me
RL = 10KΩ, CL = 100pF,
f < 1KHz, VI = +50mV
1000
nS
7, 8A, 8B
7, 8A, 8B
TROS
Transient Response Overshoot
RL = 10KΩ, CL = 100pF,
f < 1KHz, VI = +50mV
50
%
+SR
−SR
NIBB
NIPC
Slew Rate
AV = 1, VI = -5V to +5V
AV = 1, VI = +5V to -5V
BW = 10Hz to 5KHz, RS = 0Ω
0.05
0.05
15
V/µS
V/µS
7, 8A, 8B
7, 8A, 8B
7
Slew Rate
Noise Broadband
Noise Popcorn
µVrms
BW = 10Hz to 5KHz,
40
µVpk
7
RS = 100KΩ
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DC Parameters Drift Values
The following conditions apply to all the following parameters, unless otherwise specified.
DC +VCC = +20V, −VCC = −20V, VCM = 0V, RS = 50Ω
Delta calculations performed on JAN S devices at group B, Subgroup 5 only.
Sub-
groups
Symbol
Parameter
Conditions
Notes
Min Max
Units
VIO
±IIB
Input Offset Voltage
Input Bias Current
-0.25 0.25
mV
nA
1
1
-0.5
0.5
Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics. The guaranteed
specifications apply only for the test conditions listed. Some performance characteristics may degrade when the device is not operated under the listed test
conditions.
Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by TJmax (maximum junction temperature), θJA (package
junction to ambient thermal resistance), and TA (ambient temperature). The maximum allowable power dissipation at any temperature is PDmax = (TJmax - TA) /
θ
JA or the number given in the Absolute Maximum Ratings, whichever is lower.
Note 4: The inputs are shunted with back-to-back diodes for over voltage protection. Therefore, excessive ent will flow if a differential input voltage in excess
of 1V is applied between the inputs unless some limiting resistance is used.
Note 5: For supply voltages less than ±20V, the absolute maximum input voltage is equal to the supply v
Note 6: This rating is ±1.0V unless resistances of 2KΩ or greater are inserted in series with the inpto limit t he input shunt diodes to the maximum
allowable value.
Note 7: Human body model, 1.5 kΩ in series with 100 pF.
Note 8: Calculated parameter
Note 9: Datalog reading in K = V/mV
7
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Typical Performance Characteristics
Input Currents
Offset Error
20129418
20129419
Drift Error
Input Noise Voltage
420
20129421
Power Supply Rej
Closed Loop
Output Impedance
20129422
20129423
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Voltage Gain
Output Swing
20129424
20129425
Supply Current
pen oop
Frncesponse
129426
20129427
Large Signal
Frequency Response
Voltage Follower
Pulse Response
20129428
20129429
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Typical Applications
Sample and Hold
20129404
†Teflon polyethylene or polycarbonate dielectric capacitor
Worst case drift less than 2.5 mV/sec
High Speed Amplifier with Low Drnow Iput Current
20129405
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Fast Summing Amplifier (Note 10)
20129412
*In addition to increasing speed, the LM101A raises high and low freqn, incroutput drive capability and eliminates thermal feedback.
Note 10: Power Bandwidth: 250 KHz
Small Signal Bandwidth: 3.5 MHz
Slew Rate: 10V/μS
11
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Revision History Section
Date Released
Revision
Section
Changes
02/25/05
A
New release, corporate format
1 MDS data sheets converted into one Corp.
datasheet format. MJLM108A-X Rev 2A0. MDS
will be archived.
01/05/06
09/24/10
B
C
DC Electrical's
All temps. +Ios from -15 mA Min to -20 mA Min and
-Ios from +15 mA Max to +20 mA Max
Obsolete Data Sheet
Revision C, End of Life on Product/NSID Dec.
2008/09 Obsolete Data Sheet
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
Physical Dimensions inches (millimeters) unless otherwise noted
Metal Can Package (H)
NS Package Number H08C
eramic Dual-In-Line Package (J)
NS Package Number J08A
13
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
Ceramic Dual-In-Line Package )
NS Package Number J14
S.O. Package (WG)
NS Package Number WG10A
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
Ceramic Flatpack Package
NS Package Number WA
15
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201294 Version 3 Revision 3 Print Date/Time: 2010/09/29 22:46:28
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