CS4244 Datasheet, PDF (13/63 Pages) Cirrus Logic – 4 In/4 Out Audio CODEC with PCM and TDM Interfaces

Analog Signal +
100 k
634 
470 pF
4.7 uF
VA
-
100 k
+
100 k
90.9 
CS4244
CS4244 AINx +
2700 pF
100 k
Analog Signal -
4.7 uF
100 k
+
100 k
-
VA
90.9 
470 pF
634 
Figure 3. Test Circuit for ADC Performance Testing
CS4244 AINx -
+Vcc
Power DAC
OUT
GND
+Vcc
Operational
Amplifier
-
+
-Vcc
DUT
PWR
GND
Analog Digital
O- u+t
Out
OUT
-+
-+
Analog Generator
Test Equipment
Analyzer
Figure 4. PSRR Test Configuration
DS900F2
13