AD1983

Rev. 0 | Page 8 of 16

Mnemonic

Pin

No.

I/O1

Description

MIC_BIAS-C

20

O

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

4

I

Digital Supply Return (Ground).

6

I

Digital Supply Voltage (3.3 V).

17, 29

I

Analog Supply Return (Ground).

22, 26

I

degrades audio performance. Connection to Pin 22 is optional.

S/PDIF_OUT

32

Digital O

Supports S/PDIF Output.

NC

1, 10

to 12