AMP01

–17–

REV. D

+

+IN

–IN

14

15

12

13

7

9

8

10

11

18

1

2

3

10k

SENSE

REFERENCE

0.047 F

VOLTAGE GAIN, G = 100

POWER BANDWIDTH (–3dB), 60kHz

QUIESCENT CURRENT, 4mA

LINEARITY

10 F

0.047 F

100

0.047 F

2N4921

2N4918

+15V

( 10V INTO 10 )

–15V

AMP01

V+

V–

GND

Figure 38. Adding Two Transistors Increases Output Current to

±1 A Without Affecting the Quiescent Current of 4 mA.

Power Bandwidth is 60 kHz.

0.047 F

OUT

100k

100k

+IN

–IN

IC2

+15V

–15V

7

6

4

3

2

10k

AMP01

NULL

NULL

V+

V–

15

14

13

12

7

18

1

2

3

16

17

4

5

10

11

8

9

SENSE

REFERENCE

GND

0.047 F

–15V

+

+

+

+

10

8

6

4

3

IC1

+15V

G1

G10

G100

G1000

5

7911

TTL COMPATIBLE INPUTS

27k

2.7k

12

13

14

1

2

47k

47k

47k

47k

200k

20k

2k

196

Q4

Q5

Q3

Q2

Q1

+15V

Q1, Q2...........J110

Q3, Q4, Q5....J107

IC1 ...............CMP-04

IC2 ...............OP15GZ

LINEARITY~0.005%, G = 10 AND 100

~0.02%, G = 1 AND 1000

GAIN ACCURACY, UNTRIMMED~0.5%

SETTLING TIME TO 0.01%, ALL GAINS,

LESS THAN 75 s

GAIN SWITCHING TIME, LESS THAN 100 s

Figure 39. The AMP01 Makes an Excellent Programmable-Gain Instrumentation Amplifier. Combined Gain-Switching

and Settling Time to 13 Bits Falls Below 100

µs. Linearity Is Better than 12 Bits over a Gain Range 1 to 1000.