®

REF200

8

FIGURE 9. Op Amp Offset Adjustment Circuits.

To

Other

Amps

Op Amp

V

R

+V

NOTE: (1) For N Op Amps, use Potentiometer Resistance = N • 100

Ω.

100µA

51

Ω

51

Ω

S

IN

B

OUT

R

A

V

–V

S

Using Standard Potentiometer

V

= V (–R /R )

Offset Adjustment Range = ±5mV

OUT

IN

B

A

To

Other

Amps

Op Amp

V

R

+V

100µA

S

IN

B

OUT

R

A

V

–V

S

Using Bourns Op Amp Trimpot

V

= –V (R /R )

Offset Adjustment Range = ±5mV

OUT

IN

B

A

(1)

100

Ω

Bourns Trimpot

®

(1)

2k

Ω Linear

®

100µA

100µA