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Philips Semiconductors Product specification
µA741/µA741C/SA741CGeneral purpose operational amplifier
11994 Aug 31 853-0903 13721
DESCRIPTION
The µA741 is a high performance operational amplifier with high
open-loop gain, internal compensation, high common mode range
and exceptional temperature stability. The µA741 is
short-circuit-protected and allows for nulling of offset voltage.
FEATURES
• Internal frequency compensation
• Short circuit protection
• Excellent temperature stability
• High input voltage range
PIN CONFIGURATION
1
2
3
4 5
6
7
8
–
+
OFFSET NULL
INVERTING INPUT
NON–INVERTING INPUT
V –
NC
V +
OUTPUT
OFFSET NULL
TOP VIEW
D, F, N Packages
SL00095
Figure 1. Pin Configuration
ORDERING INFORMATION
DESCRIPTION TEMPERATURE RANGE ORDER CODE DWG #
8-Pin Plastic Dual In-Line Package (DIP) -55°C to +125°C µA741N SOT97-1
8-Pin Plastic Dual In-Line Package (DIP) 0 to +70°C µA741CN SOT97-1
8-Pin Plastic Dual In-Line Package (DIP) -40°C to +85°C SA741CN SOT97-1
8-Pin Ceramic Dual In-Line Package (CERDIP) -55°C to +125°C µA741F 0580A
8-Pin Ceramic Dual In-Line Package (CERDIP) 0 to +70°C µA741CF 0580A
8-Pin Small Outline (SO) Package 0 to +70°C µA741CD SOT96-1
ABSOLUTE MAXIMUM RATINGS
SYMBOL PARAMETER RATING UNIT
VS Supply voltage
µA741C ±18 V
µA741 ±22 V
PD Internal power dissipation
D package 780 mW
N package 1170 mW
F package 800 mW
VIN Differential input voltage ±30 V
VIN Input voltage1 ±15 V
ISC Output short-circuit duration Continuous
TA Operating temperature range
µA741C 0 to +70 °C
SA741C -40 to +85 °C
µA741 -55 to +125 °C
TSTG Storage temperature range -65 to +150 °C
TSOLD Lead soldering temperature (10sec max) 300 °C
NOTES:
1. For supply voltages less than ±15V, the absolute maximum input voltage is equal to the supply voltage.
Philips Semiconductors Product specification
µA741/µA741C/SA741CGeneral purpose operational amplifier
1994 Aug 31 2
DC ELECTRICAL CHARACTERISTICS
TA = 25°C, VS = ±15V, unless otherwise specified.
SYMBOL PARAMETER TEST CONDITIONS
µA741 µA741C
UNITSYMBOL PARAMETER TEST CONDITIONS Min Typ Max Min Typ Max UNIT
VOS Offset voltage RS=10kΩ 1.0 5.0 2.0 6.0 mV
RS=10kΩ, over temp. 1.0 6.0 7.5 mV
∆VOS/∆T 10 10 µV/°C
IOS Offset current 20 200 20 200 nA
Over temp. 300 nA
TA=+125°C 7.0 200 nA
TA=-55°C 20 500 nA
∆IOS/∆T 200 200 pA/°C
IBIAS Input bias current 80 500 80 500 nA
Over temp. 800 nA
TA=+125°C 30 500 nA
TA=-55°C 300 1500 nA
∆IB/∆T 1 1 nA/°C
RL=10kΩ ±12 ±14 ±12 ±14 V
VOUT Output voltage swing
RL=2kΩ, over temp. ±10 ±13 ±10 ±13 V
RL=2kΩ, VO=±10V 50 200 20 200 V/mV
AVOL Large-signal voltage gain RL=2kΩ, VO=±10V,
over temp. 25 15 V/mV
Offset voltage adjustment range ±30 ±30 mV
RS≤10kΩ 10 150 µV/V
PSRR Supply voltage rejection ratio
RS≤10kΩ, over temp. 10 150 µV/V
70 90 dB
CMRR Common-mode rejection ratio
Over temp. 70 90 dB
1.4 2.8 1.4 2.8 mA
ICC Supply current TA=+125°C 1.5 2.5 mA
TA=-55°C 2.0 3.3 mA
VIN Input voltage range (µA741, over temp.) ±12 ±13 ±12 ±13 V
RIN Input resistance 0.3 2.0 0.3 2.0 MΩ
50 85 50 85 mW
PD Power consumption TA=+125°C 45 75 mW
TA=-55°C 45 100 mW
ROUT Output resistance 75 75 Ω
ISC Output short-circuit current 10 25 60 10 25 60 mA
Philips Semiconductors Product specification
µA741/µA741C/SA741CGeneral purpose operational amplifier
1994 Aug 31 3
DC ELECTRICAL CHARACTERISTICS
TA = 25°C, VS = ±15V, unless otherwise specified.
SYMBOL PARAMETER TEST CONDITIONS
SA741C
UNITSYMBOL PARAMETER TEST CONDITIONS Min Typ Max UNIT
VOS RS=10kΩ 2.0 6.0 mV
Offset voltage RS=10kΩ, over temp. 7.5 mV
∆VOS/∆T 10 µV/°C
IOS 20 200 nA
Offset current Over temp. 500 nA
∆IOS/∆T 200 pA/°C
IBIAS 80 500 nA
Input bias current Over temp. 1500 nA
∆IB/∆T 1 nA/°C
RL=10kΩ ±12 ±14 V
VOUT Output voltage swing
RL=2kΩ, over temp. ±10 ±13 V
RL=2kΩ, VO=±10V 20 200 V/mV
AVOL Large-signal voltage gain
RL=2kΩ, VO=±10V, over temp. 15 V/mV
Offset voltage adjustment range ±30 mV
PSRR Supply voltage rejection ratio RS≤10kΩ 10 150 µV/V
CMRR Common mode rejection ration 70 90 dB
VIN Input voltage range Over temp. ±12 ±13 V
RIN Input resistance 0.3 2.0 MΩ
Pd Power consumption 50 85 mW
ROUT Output resistance 75 Ω
ISC Output short-circuit current 25 mA
AC ELECTRICAL CHARACTERISTICS
TA=25°C, VS = ±15V, unless otherwise specified.
SYMBOL PARAMETER TEST CONDITIONS
µA741, µA741C
UNITSYMBOL PARAMETER TEST CONDITIONS Min Typ Max UNIT
RIN Parallel input resistance Open-loop, f=20Hz 0.3 MΩ
CIN Parallel input capacitance Open-loop, f=20Hz 1.4 pF
Unity gain crossover frequency Open-loop 1.0 MHz
Transient response unity gain VIN=20mV, RL=2kΩ, CL≤100pF
tR Rise time 0.3 µs
Overshoot 5.0 %
SR Slew rate C≤100pF, RL≥2kΩ, VIN=±10V 0.5 V/µs
Philips Semiconductors Product specification
µA741/µA741C/SA741CGeneral purpose operational amplifier
1994 Aug 31 4
EQUIVALENT SCHEMATIC
NON–INVERTING
INPUT
Q1
Q8
Q2
Q3 Q4
Q7
Q5 Q6
R1
1KΩ
R3
50KΩ
R2
1KΩ
Q9 Q13
R5
39KΩ
Q10 Q11 Q22
V+
Q14
R9
25Ω
OUTPUT
R10
50Ω
Q20
Q16
Q17
Q18 Q15
V–
R11
50Ω
R12
50kΩ
R7
4.5Ω
R8
7.5KΩ
R4
5kΩ
30pF
Q12
OFFSET NULL
INVERTING INPUT
OFFSET NULL
SL00096
Figure 2. Equivalent Schematic
Philips Semiconductors Product specification
µA741/µA741C/SA741CGeneral purpose operational amplifier
1994 Aug 31 5
TYPICAL PERFORMANCE CHARACTERISTICS
–55oC < TA < +125oC
RL > 2kΩ
40
36
32
28
24
20
16
12
8
4
0
5 10 15 20
SUPPLY VOLTAGE — +V
PE
A
K
 T
O
 P
EA
K 
O
UT
PU
T 
SW
IN
G
 —
 V
–55oC < TA < +125oC
16
14
12
10
8
6
4
2
0
5 10 15 20
SUPPLY VOLTAGE — +V
CO
M
M
O
N 
M
O
DE
 V
O
LT
A
G
E 
RA
NG
E 
—
 
V
+
TA = 25oC
100
80
60
40
20
0
5 10 15 20
SUPPLY VOLTAGE — +V
PO
W
ER
 C
O
NS
UM
PT
IO
N 
—
 m
W
VS = +15V
500
400
300
200
100
0
–60 –20 20 60 100 140
TEMPERATURE — oC
IN
PU
T 
BI
AS
 C
UR
RE
NT
 —
 n
A
10.0
5.0
3.0
1.0
0.5
0.3
0.1
–60 –20 20 60 100 140
TEMPERATURE — oC
IN
PU
T 
RE
SI
ST
A
N
CE
 —
 M
Ω
TA = 25oC
TA = 25oC
SUPPLY VOLTAGE — +V
40
30
20
10
0
5 10 15 20
IN
PU
T 
O
FF
SE
T 
CU
RR
EN
T 
– 
nA
VS = ±15oC
140
120
100
80
60
40
20
0
–60 –20 20 60 100 140
TEMPERATURE — oC
IN
PU
T 
O
FF
SE
T 
CU
RR
EN
T 
—
 n
A 70
60
50
40
30
–60 –20 20 60 100 140
TEMPERATURE — oC
PO
W
ER
 C
O
NS
UM
PT
IO
N 
—
 m
W VS = +15V
TA = 25oC
28
26
24
22
20
18
16
14
12
10
8
0.1 0.2 0.5 1.0 2.0 5.0 10
LOAD RESISTANCE — kΩ
PE
A
K
–T
O
–P
EA
K 
O
UT
PU
T 
SW
IN
G
 —
 V
Output Voltage Swing as a
Function of Supply Voltage
Input Common–Mode Voltage Range
as a Function of Supply Voltage
Power Consumption as a
Function of Supply Voltage
Input Bias Current as a Function
of Ambient Temperature
Input Resistance as a Function
of Ambient Temperature
Input Offset Current as a
Function of Supply Voltage
Input Offset Current as a 
Function of Ambient Temperature
Power Consumption as a 
Function of Ambient Temperature
Output Voltage Swing as a
Function of Load Resistance
VS = ±15oC
SL00097
Figure 3. Typical Performance Characteristics
Philips Semiconductors Product specification
µA741/µA741C/SA741CGeneral purpose operational amplifier
1994 Aug 31 6
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
M
EA
N
 S
QU
AR
E 
VO
LT
A
G
E 
—
 A
 
 
 
/H
z
2
10–1kHz35
30
25
20
15
10
–60 –20 20 60 100 140
TEMPERATURE — oC
SH
O
RT
 C
IR
CU
IT
 C
UR
RE
NT
 —
 m
A VS = + 15V
TA = 25oC
10 –13
10 –14
10 –15
10 –16
10 –17
10 –18
10 100 1K 10K 100K
FREQUENCY — Hz
M
EA
N
 S
QU
AR
E 
VO
LT
A
G
E 
—
 V
 
Hz2
VS = + 15V
TA = 25oC
10 –21
10 –22
10 –23
10 –24
10 –25
10 –26
10 100 1K 10K 100K
FREQUENCY — Hz
100
10
1
0.1
100 1K 10K 100K
10–100kHz
10–1kHz
SOURCE RESISTANCE — Ω
TO
TA
L 
N
O
IS
E 
RE
FE
RR
ED
 T
O
 IN
PU
T 
—
 
 V
rm
s
µ
VS = + 15V
TA = 25oC
106
105
104
103
102
10
1
1 10 100 1K 10K 100K 1M 10M
FREQUENCY — Hz
VO
LT
A
G
E 
G
AI
N
1 10 100 1K 10K 100K 1M 10M
FREQUENCY — Hz
VS = + 15V
TA = 25oC
0
–45
–90
–135
–180
PH
A
SE
 D
EG
RE
ES
VS = + 15V
TA = 25oC
RL = 10kΩ
40
36
32
28
24
20
16
12
8
4
0
100 1K 10K 100K 1M
FREQUENCY — Hz
PE
A
K
–T
O
–P
EA
K 
O
UT
PU
T 
SW
IN
G
 —
 V
VS = + 15V
TA = 25oC
100
90
80
70
60
50
40
30
20
10
1 10 100 1K 10K 100K 1M 10M
FREQUENCY — Hz
CO
M
M
O
N 
M
O
DE
 R
EJ
EC
TI
O
N 
RA
TE
 —
 d
B 28
24
20
16
12
8
4
0
O
UT
PU
T 
—
 m
V
0 0.5 1.0 1.5 2.0 2.5
TIME — µs
VS = + 15V
TA = 25oC
RL = 2kΩ
CL = 100pF
10%
RISE TIME
Output Short–Circuit Current
as a Function of
Ambient Temperature
Input Noise Voltage
as a Function of Frequency
Input Noise Current
as a Function of Frequency
Broadband Noise for
Various Bandwidths
Open–Looped Voltage Gain
as a Function of Frequency
Open–Looped Phase Response
as a Function of Frequency
Output Voltage Swing
as a Function of Frequency
Common–Mode Rejection Ratio
as a Function of Frequency Transient Response
VS = + 15V
TA = 25oC
0
0
SL00098
Figure 4. Typical Performance Characteristics (cont.)
Philips Semiconductors Product specification
µA741/µA741C/SA741CGeneral purpose operational amplifier
1994 Aug 31 7
TYPICAL PERFORMANCE CHARACTERISTICS (Continued)
V 
 
 
 O
UT
PU
T 
VO
LT
A
G
E 
(V
p–
p)
O
UT
28
24
20
16
12
8
4
0
10 100 1K 10K 100K
(VOLTAGE FOLLOWER)
+ 15 VOLT SUPPLIES
THD < 5%
FREQUENCY — Hz
Power Bandwidth
(Large–Signal Swing vs 
Frequency)
+V
–V
10KΩ
–V
+
–
µA741
SL00099
Figure 5. Typical Performance Characteristics (cont.)