REV. B

–13–

AD5241/AD5242

Test Circuits

Test Circuits 1 to 9 define the test conditions used in the product

specifications table.

A

W

B

DUT

V

Test Circuit 1. Potentiometer Divider Nonlinearity Error

(INL, DNL)

NO CONNECT

A

W

B

DUT

Test Circuit 2. Resistor Position Nonlinearity Error (Rheo-

stat Operation; R-INL, R-DNL)

A

W

B

DUT

Test Circuit 3. Wiper Resistance

PSS (%/%) =

PSRR (dB) = 20 LOG

(

)

A

W

B

V+

Test Circuit 4. Power Supply Sensitivity (PSS, PSRR)

OP279

W

5V

B

OFFSET

GND

OFFSET

BIAS

A

DUT

Test Circuit 5. Inverting Gain

B

A

OP279

W

5V

OFFSET

GND

OFFSET

BIAS

DUT

Test Circuit 6. Noninverting Gain

+15V

–15V

W

A

2.5V

B

OFFSET

GND

DUT

OP42

Test Circuit 7. Gain vs. Frequency

W

B

DUT

CODE =

H

0.1V

0.1V

Test Circuit 8. Incremental ON Resistance

W

B

A

NC

GND

NC

DUT

Test Circuit 9. Common-Mode Leakage Current