PCM1690(DIGITAL:IC301)
PCM1690 Pin Function
TERMINAL
I/O PULL-
DOWN
5-V
TOLERANT
DESCRIPTION
NAME
PIN
RSV2
1
—
—
—
Reserved, tied to analog ground
RSV1
2
—
—
—
Reserved, left open
RSV2
3
—
—
—
Reserved, tied to analog ground
RSV1
4
—
—
—
Reserved, left open
RSV2
5
—
—
—
Reserved, tied to analog ground
LRCK
6
I
Yes
No
Audio data word clock input
BCK
7
I
Yes
No
Audio data bit clock input
DIN1
8
I
No
No
Audio data input for DAC1 and DAC2
DIN2
9
I
No
No
Audio data input for DAC3 and DAC4
DIN3
10
I
No
No
Audio data input for DAC5 and DAC6
DIN4
11
I
No
No
Audio data input for DAC7 and DAC8
VDD
12 —
—
—
Digital power supply, +3.3 V
DGND
13 —
—
—
Digital ground
SCKI
14
I
No
Yes
System clock input
RST
15
I
Yes
Yes
Reset and power-down control input with active low
ZERO1
16 O
No
No
Zero detect flag output 1
ZERO2
17 O
No
No
Zero detect flag output 2
AMUTEI
18
I
No
Yes
Analog mute control input with active low
AMUTEO
19 O
No
Yes
Analog mute status output(1) with active low
MD/SDA/DEMP
20 I/O
No
Yes
Input data for SPI, data for I2C(1), de-emphasis control for hardware control mode
MC/SCL/FMT
21
I
No
Yes
Clock for SPI, clock for I2C, format select for hardware control mode
MS/ADR0/RSV
22
I
Yes
Yes
Chip Select for SPI, address select 0 for I2C, reserve (set low) for hardware control
mode
TEST/ADR1/RSV 23 I/O
No
Yes
Test (factory use, left open) for SPI, address select 1 for I2C, reserve (set low) for
hardware control mode
MODE
24
I
No
No
Control port mode selection. Tied to VDD: SPI, left open: H/W mode, tied to DGND: I2C
VCC1
25 —
—
—
Analog power supply 1, +5 V
VCOM
26 —
—
—
Voltage common decoupling
AGND1
27 —
—
—
Analog ground 1
RSV2
28 —
—
—
Reserved, tied to analog ground
VOUT8+
29 O
No
No
Positive analog output from DAC8
VOUT8-
30 O
No
No
Negative analog output from DAC8
VOUT7+
31 O
No
No
Positive analog output from DAC7
VOUT7-
32 O
No
No
Negative analog output from DAC7
VOUT6+
33 O
No
No
Positive analog output from DAC6
VOUT6-
34 O
No
No
Negative analog output from DAC6
VOUT5+
35 O
No
No
Positive analog output from DAC5
VOUT5-
36 O
No
No
Negative analog output from DAC5
VOUT4+
37 O
No
No
Positive analog output from DAC4
VOUT4-
38 O
No
No
Negative analog output from DAC4
VOUT3+
39 O
No
No
Positive analog output from DAC3
VOUT3-
40 O
No
No
Negative analog output from DAC3
VOUT2+
41 O
No
No
Positive analog output from DAC2
VOUT2-
42 O
No
No
Negative analog output from DAC2
PIN
CONFIGURATION
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
RSV2
VCC2
AGND2
RSV2
VOUT1
VOUT1+
VOUT2
VOUT2+
VOUT3
VOUT3+
VOUT4
VOUT4+
VOUT5
VOUT5+
VOUT6
VOUT6+
VOUT7
VOUT7+
VOUT8
VOUT8+
RSV2
AGND1
VCOM
VCC1
RSV2
RSV1
RSV2
RSV1
RSV2
LRCK
BCK
DIN1
DIN2
DIN3
DIN4
VDD
DGND
SCKI
RST
ZERO1
ZERO2
AMUTEI
AMUTEO
MD/SDA/DEMP
MC/SCL/FMT
MS/ADR0/RSV
TEST/ADR1/RSV
MODE
PCM1690
ThermalP
ad
PCM1690
SBAS448A
–OCTOBER
2008
–REVISED
JANUARY
2009
...............................................................................................................................
...............
www.ti.com
DCA
PACKAGE
HTSSOP-48
(12
mm
x
8
mm)
(TOP
VIEW)
TERMINAL
FUNCTIONS
TERMINAL
PULL-
5-V
NAME
PIN
I/O
DOWN
TOLERANT
DESCRIPTION
RSV2
1
—
—
—
Reserved,
tied
to
analog
ground
RSV1
2
—
—
—
Reserved,
left
open
RSV2
3
—
—
—
Reserved,
tied
to
analog
ground
RSV1
4
—
—
—
Reserved,
left
open
RSV2
5
—
—
—
Reserved,
tied
to
analog
ground
LRCK
6
I
Yes
No
Audio
data
word
clock
input
BCK
7
I
Yes
No
Audio
data
bit
clock
input
DIN1
8
I
No
No
Audio
data
input
for
DAC1
and
DAC2
DIN2
9
I
No
No
Audio
data
input
for
DAC3
and
DAC4
DIN3
10
I
No
No
Audio
data
input
for
DAC5
and
DAC6
DIN4
11
I
No
No
Audio
data
input
for
DAC7
and
DAC8
6
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Copyright
©
2008
–2009,
Texas
Instruments
Incorporated
Product
Folder
Link(s):
PCM1690
177
