TDB7910 Datasheet PDF - ST

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TDB7910
ST

Part Number TDB7910
Description MEDIUM POWER SINGLE BIPOLAR OPERATIONAL AMPLIFIER
Page 5 Pages


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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
DESCRIPTION
The TDB7910 and TDA7910 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 comparators and motor speed control.
These amplifiers are designedto operatefrom a sin-
gle or dual power supplies and the input common-
mode range includes the negative supply if balance
inputs are tied to the negative supply.
The TDB7910 and TDA7910 are thermal overload
and short-circuit protected.
PIN CONNECTIONS (top view)
N
DIP16
(Plastic Package)
ORDER CODES
Part
Number
Temperature Range
TDB7910
TDA7910
0oC, +70oC
-40oC, +105oC
Example : TDB7910N
Package
N
V -1
CC
V -2
CC
NC 3
V -4
CC
V -5
CC
Ou tput 6
V
c
+
c
7
Curr ent limiting 8
1 6 Co mpen sa t ion
1 5 Balanc e
1 4 Balanc e
13 V -
CC
12 V -
CC
1 1 No n - in v e rt in g i n p u t
1 0 Inv erting input
9 Co mpen sa t ion
March 1994
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TDB7910-TDA7910
SCHEMATIC DIAGRAM
Non-inverting
Input
Inverting
Input
Balance
Compensation
VCC
Q9
Q3
Q1
Q4
Q2
Q7
Q5 Q6
Q8
Q11 Q12
R13
Q18
C1
R14
R8
R7
Q19
Q17
D1
Q14
Q20
Q13
R15
R9
R10 C2
Q29
Q31
R17
Q24 Q26
R15
Q25 Q27
R11
Current
limiting
Output
D2
Q28
R1 R2
Q15 Q16
R6
Q21 Q22
Q23
R12
Q30
Compensation
VCC
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Value
VCC Supply Voltage
Vi Input Voltage
Vid Differential Input Voltage
± 18
± 15
± 30
IO Output Current*
Ptot Power Dissipation
0.75
7.5
Toper
Operating Free-air Temperature Range
TDB7910
TDA7910
0 to +70
-40 to +105
Tstg Storage Temperature Range
-65 to +150
* Under short-circuit conditions, the safe operating area and dc power dissipation limi tations must be observed.
Unit
V
V
V
A
W
°C
°C
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TDB7910-TDA7910
ELECTRICAL CHARACTERISTICS
VCC = ±15V, Tamb = 25oC (unless otherwise specified)
Symbol
Parameter
Vio
Iio
Iib
Avd
ICC
Vicm
IOS
SVR
CMR
Zi
VOPP
Vior
SR
GBP
RT H
Input Offset Voltage
Tamb = +25°C
Tmin. Tamb Tmax.
Input Offset Current
Tamb = +25°C
Tmin. Tamb Tmax.
Input Bias Current
Tamb = +25°C
Tmin. Tamb Tmax.
Large Signal Voltage Gain (RL = 47Ω, Vo = ±10V)
Tamb = +25°C
Tmin. Tamb Tmax.
Supply Current - (no load)
Tamb = +25°C
Tmin. Tamb Tmax.
Input Common Mode Voltage Range
Output Short Circuit Current (RSC = 1.5)
Supply Voltage Rejection Ratio
Common Mode Rejection Ratio
Input Impedance
Output Voltage Swing (RSC = 0, RL = 47)
Tamb = +25°C
Tmin. Tamb Tmax.
Offset Voltage Adjustment Range
Slew Rate (RL = 47Ω, Tamb = +25°C , AV = 1, Vin = ±10V)
Gain Bandwidth Product
(CC = 0, RL = 47, CL = 100pF, f = 100kHz, Vin = 10mV)
Thermal Resistance
TDB7910 - TDA7910
MIn. Typ. Max.
26
7.5
20 200
300
80 500
800
20
15
10
±12 ±13
0.5
77
70
0.3
20
25
±11 ±12
±10
±15
0.5
0.5
60
Unit
mV
nA
nA
V/mV
mA
V
A
dB
dB
M
V
mV
V/µs
MHz
°C/W
ELECTRICAL CHARACTERISTICS
VCC+ = 10V, VCC- = 0V, Tamb = 25oC, Vo = +5V (unless otherwise specified)
Symbol
Vio
Avd
ICC
VOH
VOL
GBP
Parameter
Input Offset Voltage
Tamb = +25°C
Tmin. Tamb Tmax.
Large Signal Voltage Gain (RL = 47, Vo = 1 to 5V)
Tamb = +25°C,
Tmin. Tamb Tmax.
Supply Current - (no load)
Tamb = +25°C
Tmin. Tamb Tmax.
High Level Output Voltage (RSC = 0, RL = 47)
Tamb = +25°C
Tmin. Tamb Tmax.
Low Level Output Voltage
Tamb = +25°C
Tmin. Tamb Tmax.
Gain Bandwidth Product
(CC = 0, RL = 47, CL = 100pF, f = 100kHz, Vin = 10mV)
TDB7910 - TDA7910
Min. Typ. Max.
6
7.5
20
15
5 20
25
68
5
23
3
1
Unit
mV
V/mV
mA
V
V
MHz
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TDB7910-TDA7910
BASIC DIAGRAM
+15V
Non-inverting
Input
Inverting
Input
11
7
TDB7910 16
9
10 C c
15
14
6
8
Rsc
20k
1, 2, 4, 5, 12, 13
Offset adjust
(optional)
-15V
Output
INPUT BIAS CURRENT
INPUT OFFSET CURRENT
350
VCC = 15V
300
250
200
150
100
50
-60
-20 20 60 100 140
JUNCTION TEMPERATURE (°C)
180
150
VCC = 15V
100
50
0
-60
-20 20 60 100 140 180
JUNCTION TEMPERATURE (°C)
SHORT-CIRCUIT CURRENT
1250
1000
750
500
R
SC
=
1.5
250 R SC = 3
0
-50
-25 0 25 50 75 100 125
JUNCTION TEMPERATURE (°C)
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TDB7910 MEDIUM POWER SINGLE BIPOLAR OPERATIONAL AMPLIFIER TDB7910
ST
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