CDB5368(2005) View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CDB5368
(Rev.:2005)

114 dB, 192 kHz, 8-Channel A/D Converter

Cirrus Logic 

CS5368

3.1 Suggested Analog Input Buffer

Figure 7. "Recommended Analog Input Buffer" shows a recommended analog input buffer for a differential

to differential topology. For additional configurations, refer to Crystal Application Note number AN241. A

low-cost, single-ended (RCA jack) to differential solution is shown in the schematics of the Customer Eval-

ution Board Datasheet (CDB5368).

AIN+

100 kΩ

10 uF

AIN-

100 kΩ

10 uF

634 Ω

470 pF

COG

-

+

10 k Ω

VQ

10 k Ω

+

-

470 pF

COG

91 Ω

91 Ω

634 Ω

ADC AIN+

COG

2700 pF

ADC AIN-

Figure 7. Recommended Analog Input Buffer

24

DS624A1

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