REV. 0

AD5207

–12–

TEST CIRCUITS

Figures 10 to 18 define the test conditions used in product

Specification table.

A

W

B

DUT

V+

Figure 10. Potentiometer Divider Nonlinearity Error Test

Circuit (INL, DNL)

A

W

B

DUT

NO CONNECT

Figure 11. Resistor Position Nonlinearity Error (Rheostat

Operation; R-INL, R-DNL)

A

W

B

DUT

Figure 12. Wiper Resistance Test Circuit

PSS (%/%) =

PSRR (dB) = 20 LOG

A

W

B

V+

Figure 13. Power Supply Sensitivity Test Circuit

(PSS, PSSR)

OP279

W

5V

B

OFFSET

GND

OFFSET BIAS

A

DUT

Figure 14. Inverting Gain Test Circuit

OFFSET BIAS

B

OFFSET

GND

A

DUT

OP279

W

5V

Figure 15. Noninverting Gain Test Circuit

OP42

+15V

OFFSET

GND

–15V

W

B

A

2.5V

DUT

Figure 16. Gain vs. Frequency Test Circuit

W

B

DUT

CODE =

H

0.1V

0.1V

+

–

Figure 17. Incremental ON Resistance Test Circuit

A

W

B

NC

GND

NC

DUT

NC = NO CONNECT

Figure 18. Common-Mode Leakage Current Test Circuit