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KA741
Single Operational Amplifier
www.fairchildsemi.com
Features
• Short circuit protection
• Excellent temperature stability
• Internal frequency compensation
• High Input vo ltage range
• Null of offset
Internal Block Diagram
Description
The KA741 seri es are general purpose operational
amplifiers. It is intended for a wide range of analog
applications. The high gain and wide range of operating
voltage provide superior performance in intergrator,
summing amplifier, and general feedback applications.
8-DIP
1
8-SOP
1
©2001 Fairchild Semiconductor Corporation
Rev. 1.0.1
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KA741
Schematic Diagram
Absolute Maximum Ratings (T
Parameter Symbol Value Unit
Supply Voltage V
Differential Input Voltage V
Input Voltage V
Output Short Circuit Duration - Indefinite
Power Dissipation P
Operating Temperature Range
KA741
KA741I
Storage Temperature Range T
= 25°C)
A
CC
I(DIFF)
I
D
T
OPR
STG
±18 V
30 V
±15 V
500 mW
0 ~ + 70
-40 ~ +85
-65 ~ + 150 °C
°C
2
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Electrical Characteristics
(V
CC
= 15V, V
= - 15V. TA = 25
EE
°C, unless otherwise specified)
KA741
Parameter Symbol Conditions
R
≤10KΩ -2.06.0
Input Offset Voltage V
Input Offset Voltage
Adjustment Range
Input Offset Current I
Input Bias Current I
Input Resistance (Note1) R
Input Voltage Range V
Large Signal Voltage Gain G
Output Short Circuit Current I
Output Voltage Swing V
IO
V
IO(R)
IO
BIAS
I(R)
V
SC
O(P-P)
I
Common Mode Rejection Ratio CMRR
Power Supply Rejection Ratio PSRR
Transient Rise Time T
R
Response Overshoot OS - 10 - %
S
≤50Ω ---
R
S
VCC = ±20V - ±15 - mV
- - 20 200 nA
- - 80 500 nA
VCC =±20V 0.3 2.0 - MΩ
- ±12 ±13 - V
=±20V,
V
R
≥2KΩ
L
CC
V
O(P-P)
V
CC
V
O(P-P)
=±15V
=±15V,
=±10V
--25-mA
VCC = ±20V R
= ±15V R
V
CC
≤10KΩ, V
R
S
R
≤50Ω, V
S
= ±15V to VCC = ±15V
V
CC
R
≤50Ω
S
= ±15V to VCC = ±15V
V
CC
R
≤10KΩ
S
CM
CM
≥10KΩ ---
L
≥2KΩ -- -
R
L
≥10KΩ±12 ±14 -
L
≥2KΩ±10 ±13 -
R
L
= ±12V 70 90 -
= ±12V - - -
Unity Gain
KA741/KA741I
Min. Typ. Max.
---
20 200 -
---
77 96 -
-0.3- µs
Unit
mV
V/mV
V
dB
dB
Bandwidth BW - ---MHz
Slew Rate SR Unity Gain - 0.5 - V/µs
Supply Current I
Power Consumption P
CC
RL= ∞Ω -1.52.8mA
VCC = ±20V - - -
C
= ±15V - 50 85
V
CC
mW
Note:
1. Guaranteed by design.
3
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KA741
Electrical Characteristics
(V
= ±15V, unless otherwise specified)
CC
The following specification apply over the range of 0°C ≤ T
for the KA741I
≤ +70
A
°C for the KA741; and the -40°C ≤ T
≤ +85
A
°C
Parameter Symbol Conditions
Input Offset Voltage V
Input Offset Voltage Drift ∆V
Input Offset Current I
Input Offset Current Drift ∆I
Input Bias Current I
Input Resistance (Note1) R
Input Voltage Range V
Output Voltage Swing V
Output Short Circuit Current I
IO
/∆T - -- µV/
IO
IO
/∆T - -- nA/
IO
BIAS
I
I(R)
O(P-P)
SC
Common Mode Rejection Ratio CMRR
Power Supply Rejection Ratio PSRR
Large Signal Voltage Gain G
V
KA741/KA741I
Min. Typ. Max.
R
≤50Ω ---
S
≤10KΩ --7.5
R
S
- - - 300 nA
- --0.8µA
V
= ±20V - - - MΩ
CC
- ±12 ±13 - V
R
≥10KΩ ---
VCC =±20V
=±15V
V
CC
S
≥2KΩ ---
R
S
R
≥10KΩ±12 ±14 -
S
R
≥2KΩ±10 ±13 -
S
- 10 - 40 mA
R
≤10KΩ, V
S
R
≤50Ω, V
S
= ±20V
V
CC
to ±5V
R
≥2KΩ
S
= ±12V 70 90 -
CM
= ±12V - - -
CM
R
≤50Ω ---
S
≤10KΩ 77 96 -
R
S
V
= ±20V,
CC
V
O(P-P)
V
CC
V
O(P.P)
V
CC
V
O(P-P)
= ±15V
= ±15V,
= ±10V
= ±15V,
= ±2V
---
15 - -
---
Unit
mV
°C
°C
V
dB
dB
V/mV
Note :
1. Guaranteed by design.
4