Data Sheet

AD5111/AD5113/AD5115

Rev. 0 | Page 17 of 24

TEST CIRCUITS

Figure 36 to Figure 41 define the test conditions used in the Specifications section.

A

W

B

NC

DUT

NC = NO CONNECT

Figure 36. Resistor Position Nonlinearity Error

(Rheostat Operation: R-INL, R-DNL)

A

W

B

DUT

V+

Figure 37. Potentiometer Divider Nonlinearity Error (INL, DNL)

+

–

DUT

0.1V

=

0.1V

W

B

NC = NO CONNECT

A

NC

Figure 38. Wiper Resistance

A

W

B

~

V+

PSS (%/%) =

PSRR (dB) = 20 log

Figure 39. Power Supply Sensitivity (PSS, PSRR)

OFFSET

GND

A

B

DUT

W

+15V

AD8652

–15V

2.5V

Figure 40. Gain and Phase vs. Frequency

DUT

W

B

GND

A

GND

GND

GND

Figure 41. Common-Mode Leakage Current