AD5280/AD5282

Rev. C | Page 12 of

28

TEST CIRCUITS

Figure 33 to Figure 43 define the test conditions used in the product specification table.

A

W

DUT

B

V+

W

DUT

Figure 33. Potentiometer Divider Nonlinearity Error (INL, DNL)

A

W

DUT

NO CONNECT

B

Figure 34. Resistor Position Nonlinearity Error

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

A

W

B

DUT

Figure 35. Wiper Resistance

A

W

B

V+

PSRR (dB) = 20 LOG

(

)

PSS (%/%) =

Figure 36. Power Supply Sensitivity (PSS, PSSR)

A

5V

OFFSET

GND

OFFSET

BIAS

B

OP279

Figure 37. Inverting Gain

W

OFFSET

GND

OFFSET

BIAS

DUT

OP279

5V

B

A

Figure 38. Noninverting Gain

OFFSET

GND

2.5V

DUT

A

W

AD8610

+15V

–15V

B

Figure 39. Gain vs. Frequency

W

B

DUT

0.1V

0.1V

Figure 40. Incremental On Resistance