Data Sheet

AD5270/AD5271

Rev. F | Page 17 of 24

TEST CIRCUITS

Figure 39 to Figure 43 define the test conditions used in the Specifications section.

A

W

DUT

Figure 39. Resistor Position Nonlinearity Error

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

2

A

W

DUT

CODE = 0x00

Figure 40. Wiper Resistance

A

W

V+

PSRR (dB) = 20 LOG

PSS (%/%) =

Figure 41. Power Supply Sensitivity (PSS, PSRR)

A

W

DUT

V

1GΩ

Figure 42. Gain vs. Frequency

DUT

W

A

NC = NO CONNECT

GND

+2.75V

NC

+2.75V

–2.75V

–2.75V

GND

GND

Figure 43. Common Leakage Current