Datasheet KA741I, KA741D, KA741 Datasheet (Fairchild Semiconductor)

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

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

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

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

Typical Performance Characteristics

KA741

Figure 1. Output Resistance vs Frequency Figure 2. Input Resistance and Input

Figure 3. Input Bias Current vs Ambient Temperature Figure 4. Power Consumption vs Ambient Temperature

Capacitance vs Frequency

Figure 5. Input Offset Current vs Ambient Temperature Figure 6. Input Resistance vs Ambient Temperature

5

KA741

Typical Performance Characteristics (continued)

Figure 7. Normalized DC Parameters vs

Ambient Temper atu r e

Figure 9. Frequency Characteristics vs Supply Voltage Figure 10. Output Short Circuit Current vs

Figure 8. Frequency Ch aracteristics vs

Ambient Temperature

Ambient Temperature

Figure 11. Transient Response Figure 12. Common-Mode R ejection Ratio

vs Frequency

6

Typical Performance Characteristics (continued)

KA741

Figure 13. Voltage Follower Large Si gnal Pulse Response Figure 14. Output Swing and Input Range

vs Supply Voltage

7

KA741

Mechanical Dimensions

Package

6.40

±0.20

±0.008

0.252

8-DIP

0.79

0.031

()

±0.10

±0.004

±0.10

±0.004

#1

#8

#4 #5

7.62

0.300

MAX

9.60

0.378

5.08

0.200

3.40

0.134

±0.20

9.20

MAX

±0.20

±0.008

±0.008

0.362

0.33

0.013

MIN

0.46

3.30

0.130

2.54

±0.30
±0.012

0.018

0.100

1.524

0.060

+0.10

0.25

–0.05

+0.004

0.010

–0.002

0~15°

8

KA741

Mechanical Dimensions

Package

#1

#4

(Continued)

8-SOP

1.55

0.061

#8

5.13

#5

±0.20

±0.008

MAX

0.202

±0.20

4.92

±0.008

0.194

0.1~0.25

MIN

0.004~0.001

0.56

0.022

()

±0.004

±0.10

0.006

-0.002

0.50

0.020

+

0.004

±0.20

±0.008

0.15

-0.05

+

0.10

6.00

0.236

3.95

0.156

5.72

0.225

±0.30

±0.012

±0.20

±0.008

1.80

0.071

0~8°

MAX

MAX0.10

MAX0.004

1.27

0.050

0.41

0.016

9

KA741

Ordering Information

Product Number Package Operating Temperature

KA741 8-DIP

KA741D 8-SOP

KA741I 8-DIP -40 ~ + 85°C

0 ~ + 70°C

10

KA741

11

KA741

DISCLAIMER

FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURT HER NOTICE TO ANY
PRODUCTS HEREI N TO IMPROVE RELIABILITY, FUNCTIO N OR DESIGN. FAIRCH IL D DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER IT S PATENT RIGHTS, NOR THE RIGHTS OF OTHE RS.

LIFE SUPPORT POL I CY

FAIRCHILD’S PR ODUCTS ARE NOT AUTH ORIZED FOR USE AS C RITICAL COMPONENT S IN LIFE SUPPORT DE VICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein :

1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with

2. A critical component in any component of a life support
device or sy stem whose fai lure to perform can be
reasonably expec ted to cause the failur e of the life support
device or system, or to affect its safety or effec t iv ene ss .

instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.

www.fairchildsemi.com

6/1/01 0.0m 001

 2001 Fairchild Semiconductor Corporation

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