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AD1983

HD Audio SoundMAX® Codec

Analog Devices 

AD1983

Mnemonic

MIC_BIAS-C

DVSS

DVDD

AVSS

AVDD

Pin

No. I/O1

20

O

4

I

6

I

17, 29 I

22, 26 I

S/PDIF_OUT

NC

32

1, 10

to 12

Digital O

1 I refers to input and O refers to output.

Description

Programmable Microphone Bias Output. Intended for connection to Port-C.

Digital Supply Return (Ground).

Digital Supply Voltage (3.3 V).

Analog Supply Return (Ground).

Analog Supply Voltage (5.0 V). AVDD supplies should be well filtered because supply noise

degrades audio performance. Connection to Pin 22 is optional.

Supports S/PDIF Output.

Rev. 0 | Page 8 of 16

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