AD5160

Rev. B | Page 12 of 1

6

TEST CIRCUITS

Figure 28 to Figure 36 illustrate the test circuits that define the test conditions used in the product specification tables.

A

W

DUT

B

V+

Figure 28. Test Circuit for Potentiometer Divider Nonlinearity Error (INL, DNL)

NO CONNECT

A

W

B

DUT

Figure 29. Test Circuit for Resistor Position Nonlinearity Error

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

A

W

DUT

B

Figure 30. Test Circuit for Wiper Resistance

ΔV

ΔV

ΔV

PSS (%/%) =

PSRR (dB) = 20 LOG

MS

DD

(

)

A

W

B

V+

Figure 31. Test Circuit for Power Supply Sensitivity (PSS, PSSR)

OP279

W

5V

B

OFFSET

A

DUT

GND

OFFSET

BIAS

Figure 32. Test Circuit for Inverting Gain

B

A

OP279

W

5V

OFFSET

GND

OFFSET

BIAS

DUT

Figure 33. Test Circuit for Noninverting Gain

+15V

–15V

W

A

2.5V

B

OFFSET

GND

DUT

AD8610

Figure 34. Test Circuit for Gain vs. Frequency

W

B

DUT

CODE = 0x00

0.1V

0.1V

Figure 35. Test Circuit for Incremental On Resistance

W

B

A

NC

GND

NC

NC = NO CONNECT

Figure 36. Test Circuit for Common-Mode Leakage Current