PCM3168A
PCM3168A-Q1
www.ti.com ......................................................................................................................................................................................... SBAS452–SEPTEMBER 2008
TERMINAL FUNCTIONS
TERMINAL
PULL-
5-V
NAME
PIN
1
I/O
—
—
—
I
DOWN TOLERANT
DESCRIPTION
ADC analog common voltage decoupling
Analog ground 2 for ADC
VCOMAD
AGNDAD2
VCCAD2
RST
No
No
No
Yes
No
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
No
No
No
No
No
No
No
No
No
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
No
Yes
Yes
2
3
ADC analog power supply 2, +5 V
Reset and power-down control input with active low
Overflow flag output for ADC
4
OVF
5
O
I/O
I/O
O
O
O
—
—
O
—
—
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
—
I/O
I/O
I
LRCKAD
BCKAD
DOUT1
DOUT2
DOUT3
DGND2
VDD2
6
Audio data word clock input/output for ADC
Audio data bit clock input/output for ADC
Audio data digital output for ADC1 and ADC2
Audio data digital output for ADC3 and ADC4
Audio data digital output for ADC5 and ADC6
Digital ground 2
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
Digital power supply 2, +3.3 V
ZERO
Zero detect flag output for DAC
VCCDA1
VCOMDA
AGNDDA1
VOUT8+
VOUT8–
VOUT7+
VOUT7–
VOUT6+
VOUT6–
VOUT5+
VOUT5–
VOUT4+
VOUT4–
VOUT3+
VOUT3–
VOUT2+
VOUT2–
VOUT1+
VOUT1–
AGNDDA2
VCCDA2
LRCKDA
BCKDA
DIN1
DAC analog power supply 1, +5 V
DAC voltage common decoupling
Analog ground 1 for DAC
Positive analog output from DAC8
Negative analog output from DAC8
Positive analog output from DAC7
Negative analog output from DAC7
Positive analog output from DAC6
Negative analog output from DAC6
Positive analog output from DAC5
Negative analog output from DAC5
Positive analog output from DAC4
Negative analog output from DAC4
Positive analog output from DAC3
Negative analog output from DAC3
Positive analog output from DAC2
Negative analog output from DAC2
Positive analog output from DAC1
Negative analog output from DAC1
Analog ground 2 for DAC
DAC analog power supply 2, +5 V
Audio data word clock input/output for DAC
Audio data bit clock input/output for DAC
Audio data input for DAC1 and DAC2
Audio data input for DAC3 and DAC4
Audio data input for DAC5 and DAC6
Audio data Input for DAC7 and DAC8
System clock input
DIN2
I
DIN3
I
DIN4
I
SCKI
I
MC/SCL/FMT
I
Clock for SPI, clock for I2C, format select for hardware control mode
Input data for SPI, data for I2C(1), de-emphasis control for hardware
control mode
MDI/SDA/DEMP
43
I/O
No
Yes
(1) Open-drain configuration in I2C.
Copyright © 2008, Texas Instruments Incorporated
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Product Folder Link(s): PCM3168A PCM3168A-Q1