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IDT821034 Datasheet(PDF) 2 Page - Integrated Device Technology

Part No. IDT821034
Description  QUAD PCM CODEC WITH PROGRAMMABLE GAIN
Download  19 Pages
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Maker  IDT [Integrated Device Technology]
Homepage  http://www.idt.com
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IDT821034 Datasheet(HTML) 2 Page - Integrated Device Technology

 
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2
INDUSTRIAL TEMPERATURE RANGE
IDT821034 QUAD PCM CODEC WITH PROGRAMMABLE GAIN
PIN CONFIGURATIONS
PIN DESCRIPTION
Name
Type
Pin Number
Description
GNDA
--
46
51
52
40
41
Analog Ground.
All ground pins should be connected to the ground plane of the circuit board.
VDDA
--
47
45
+5 V Analog Power Supply.
This pin should be bypassed to ground using 0.1µF capacitor. All power supply pins should be connected to
the power plane of the circuit board.
VFRO3
VFRO2
VFRO1
VFRO0
O
3
48
44
37
Voice Frequency Receiver Output.
This is the output of receive power amplifier. It can drive 2000 Ω (or greater) load.
GSX3
GSX2
GSX1
GSX0
O
2
49
43
38
Gain Setting Transmit Amplifier Output.
This pin is the output of the gain setting amplifier, and the input to the differential transmit filter. It should be
connected to the corresponding VFXI pin through a resistive network to set the transmit gain. Refer to Figure
5 for details.
VFXI3
VFXI2
VFXI1
VFXI0
I
1
50
42
39
Voice Frequency Transmitter Input.
This pin is the input to the gain setting amplifier in the transmit path.
O3_4
O3_3
O3_2
O
9
10
11
SLIC Signaling Output for Channel 3.
O2_4
O2_3
O2_2
O
4
5
6
SLIC Signaling Output for Channel 2.
52-Pin PQFP
26
25
24
23
22
21
20
19
18
17
16
15
14
I/O0_0
GND
CS
CI
CO
CCLK
BCLK
MCLK
FS
TSX
DR
VDD
DX
40
41
42
43
44
45
46
47
48
49
50
51
52
GNDA
GNDA
VFXI1
GSX1
VFRO1
VDDA
GNDA
VDDA
VFRO2
GSX2
VFXI2
GNDA
GNDA


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