IDT821024 QUAD NON-PROGRAMMABLE PCM CODEC
INDUSTRIAL TEMPERATURE RANGE
PIN DESCRIPTION (cont’d)
Name I/O
PDN1
PDN2
PDN3
I
PDN4
Pin Number
PLCC
TQFP
2
39
1
38
32
37
31
36
Description
Channel 1/2/3/4 Power Down.
When this pin is high, Channel N is powered down.
CNF
O
3
41
Capacitor For Noise Filter.
This pin should be connected to AGND through a 0.1µF capacitor.
NC
--
3, 4, 8, 9,
14, 15, 17,
29, 32, 33,
40, 42
No connection
4