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.
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