Figure 4, Cs4244, Out gnd power dac analog out gnd pwr dut – Cirrus Logic CS4244 User Manual

Page 13: Out test equipment analog generator analyzer, Digital out

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DS900F1

13

CS4244

Figure 3. Test Circuit for ADC Performance Testing

Figure 4. PSRR Test Configuration

100 k

4.7 uF

100 k

100 k

470 pF

634

90.9

Analog Signal +

+

-

100 k

4.7 uF

100 k

100 k

470 pF

634

90.9

Analog Signal -

+

-

VA

VA

2700 pF

CS4244 AINx +

CS4244 AINx -

Operational

Amplifier

OUT

GND

Power DAC

Analog

Out

GND

PWR

DUT

+Vcc

+Vcc

+

-

OUT

Test Equipment

Analog Generator

Analyzer

-Vcc

Digital

Out

+

-

+

-

+

-

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