TDA7910N [STMICROELECTRONICS]
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ST 
TDB7910
TDA7910
MEDIUM POWER
SINGLE BIPOLAR OPERATIONAL AMPLIFIER
.
.
.
.
.
OUTPUT CURRENT UP TO 500 mA
OFFSET VOLTAGE NULL CAPABILITY
SHORT-CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
PLASTIC PACKAGE FOR EASY ASSEMBLY
N
DIP16
(Plastic Package)
DESCRIPTION
The TDB7910 andTDA7910 are internally compen-
sated medium power operational amplifiers in-
tended for use in those applications requiring load
currents of several hundred milliamperes. Applica-
tions include servo amplifiers, driver interfaces, pre-
cision power comparatorsand motor speedcontrol.
ORDER CODES
These amplifiersaredesignedto operatefrom asin-
gle or dual power supplies and the input common-
mode range includes the negative supplyif balance
inputs are tied to the negative supply.
Package
Part
Temperature Range
Number
N
•
TDB7910
TDA7910
Example : TDB7910N
0oC, +70oC
-40oC, +105oC
•
The TDB7910 and TDA7910 are thermal overload
and short-circuit protected.
PIN CONNECTIONS (top view)
-
-
1
2
3
4
5
6
7
8
1 6
1 5
1 4
1 3
1 2
Co mpen sa tion
B al a nc e
V
V
C C
C C
N C
B al a nc e
V
V
-
V
V
-
-
C C
C C
C C
C C
-
Ou tput
1 1 Non-inverting input
1 0 Inv erting input
+
V
c c
Current limiting
9
Co mpen sa tion
1/5
March 1994
TDB7910-TDA7910
SCHEMATIC DIAGRAM
VCC
Compensation
Q11
Q12
Q9
Q29
Q31
R13
R14
R17
Q3
Q4
Q24
Q26
Non-inverting
Q1
Q18
Q2
Input
C1
R15
Inverting
Input
R8
Current
limiting
R7
Q19
Q25 Q27
Q17
Output
D1
R9
Q20
Q14
D2
Q8
Q13
Q7
R10
R11
C2
R15
Q5
Q6
Q28
Balance
Q15
Q21 Q22
Q16
Q23
Q30
R6
R2
R12
R1
Compensation
VCC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
± 18
± 15
± 30
0.75
7.5
Unit
VCC
Vi
Supply Voltage
V
V
Input Voltage
Vid
Differential Input Voltage
Output Current*
V
IO
A
Ptot
Toper
Power Dissipation
W
°C
Operating Free-air Temperature Range
TDB7910
TDA7910
0 to +70
-40 to +105
Tstg
Storage Temperature Range
-65 to +150
°C
* Under short-circuit conditions, the safe operating area and dc power dissipation limitations must be observed.
2/5
TDB7910-TDA7910
ELECTRICAL CHARACTERISTICS
VCC = ±15V, Tamb = 25oC (unless otherwise specified)
TDB7910 - TDA7910
Unit
Symbol
Parameter
MIn.
Typ.
Max.
Vio
Input Offset Voltage
Tamb = +25°C
mV
2
6
7.5
Tmin. ≤ Tamb ≤ Tmax.
Iio
Input Offset Current
Tamb = +25°C
nA
nA
20
80
200
300
Tmin. ≤ Tamb ≤ Tmax.
Iib
Input Bias Current
Tamb = +25°C
500
800
Tmin. ≤ Tamb ≤ Tmax.
Avd
Large Signal Voltage Gain (RL = 47Ω, Vo = ±10V)
Tamb = +25°C
V/mV
mA
20
15
Tmin. ≤ Tamb ≤ Tmax.
ICC
Supply Current - (no load)
Tamb = +25°C
10
20
25
Tmin. ≤ Tamb ≤ Tmax.
Vicm
IOS
Input Common Mode Voltage Range
Output Short Circuit Current (RSC = 1.5Ω)
Supply Voltage Rejection Ratio
Common Mode Rejection Ratio
Input Impedance
±12
±13
V
A
0.5
SVR
CMR
Zi
77
70
dB
dB
MΩ
V
0.3
VOPP
Output Voltage Swing (RSC = 0, RL = 47Ω)
Tamb = +25°C
±11
±10
±12
Tmin. ≤ Tamb ≤ Tmax.
Vior
SR
Offset Voltage Adjustment Range
±15
mV
V/µs
MHz
Slew Rate (RL = 47Ω, Tamb = +25°C , AV = 1, Vin = ±10V)
0.5
GBP
Gain Bandwidth Product
(CC = 0, RL = 47Ω, CL = 100pF, f = 100kHz, Vin = 10mV)
0.5
60
RTH
Thermal Resistance
°C/W
ELECTRICAL CHARACTERISTICS
-
VCC+ = 10V, VCC = 0V, Tamb = 25oC, Vo = +5V (unless otherwise specified)
TDB7910 - TDA7910
Symbol
Parameter
Unit
Min.
Typ.
Max.
Vio
Input Offset Voltage
Tamb = +25°C
mV
6
7.5
Tmin. ≤ Tamb ≤ Tmax.
Avd
Large Signal Voltage Gain (RL = 47Ω, Vo = 1 to 5V)
Tamb = +25°C,
V/mV
mA
V
20
15
Tmin. ≤ Tamb ≤ Tmax.
ICC
Supply Current - (no load)
Tamb = +25°C
5
8
2
1
20
25
Tmin. ≤ Tamb ≤ Tmax.
VOH
VOL
GBP
High Level Output Voltage (RSC = 0, RL = 47Ω)
Tamb = +25°C
6
5
Tmin. ≤ Tamb ≤ Tmax.
Low Level Output Voltage
Tamb = +25°C
V
3
3
Tmin. ≤ Tamb ≤ Tmax.
Gain Bandwidth Product
(CC = 0, RL = 47Ω, CL = 100pF, f = 100kHz, Vin = 10mV)
MHz
3/5
TDB7910-TDA7910
BASIC DIAGRAM
+15V
Non-inverting
Input
11
7
Rsc
6
Output
TDB7910 16
8
9
Inverting
Input
10
Cc
15
14
20kΩ
1, 2, 4, 5, 12, 13
Offset adjust
(optional)
-15V
INPUT BIAS CURRENT
INPUT OFFSET CURRENT
350
150
100
50
VCC
VCC
=
15V
15V
=
300
250
200
150
100
50
0
-60
-20
20
60
100
140
180
-60
-20
20
60
100
140
180
JUNCTION TEMPERATURE (°C)
JUNCTION TEMPERATURE (°C)
SHORT-CIRCUIT CURRENT
1250
1000
750
500
R
=
S
C
1
.
5
Ω
R SC = 3 Ω
250
0
-50
-25
0
25
50
75
100 125
JUNCTION TEMPERATURE (°C)
4/5
TDB7910-TDA7910
PACKAGE MECHANICAL DATA
16 PINS - PLASTIC DIP
b1
b
B
e
E
Z
e3
D
9
8
16
1
Millimeters
Typ.
Inches
Dimensions
Min.
0.51
0.77
Max.
Min.
0.020
0.030
Typ.
Max.
a1
B
b
1.65
0.065
0.5
0.020
0.010
b1
D
E
e
0.25
20
0.787
8.5
2.54
17.78
0.335
0.100
0.700
e3
F
7.1
5.1
0.280
0.201
i
L
3.3
0.130
Z
1.27
0.050
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsi-
bility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which
may result from its use. No licence is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON
Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes
and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use as critical
components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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5/5
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