PCM1738E2K BURR-BROWN [Burr-Brown Corporation], PCM1738E2K Datasheet - Page 4

• Manufacturer Part Number: PCM1738E2K
• Description: 24-Bit, 192kHz Sampling, Advanced Segment, Audio-Stereo DIGITAL-TO-ANALOG CONVERTER
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

4
PIN CONFIGURATION
BLOCK DIAGRAM
TOP VIEW
LRCK
DATA
MUTE
MDO
SCKI
BCK
RST
MDI
MC
CS
ZEROR
ZEROL
DGND
SCKO
LRCK
DATA
SCKI
MDO
BCK
RST
MDI
V
MC
CS
DD
10
11
12
13
14
1
2
3
4
5
6
7
8
9
System Clock
Function
Control
Manager
Input
I/F
I/F
PCM1738
System Clock
Oversampling
ZERO Detect
Function
Control
Digital
Filter
28
27
26
25
24
23
22
21
20
19
18
17
16
15
and
8x
V
AGND2
I
I
V
V
V
I
V
V
AGND1
I
I
MUTE
OUT
OUT
REF
OUT
OUT
CC
CC
CC
COM
COM
COM
3
2
1
L–
L+
R+
R–
3
2
1
SSOP
Advanced
Modulator
Segment
DAC
Power Supply
PIN ASSIGNMENTS
NOTES: (1) Schmitt-trigger input, 5V tolerant. (2) Tristate output.
PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
1
2
3
4
5
6
7
8
9
ZEROR
AGND1
AGND2
ZEROL
I
I
and V
NAME
DGND
I
I
Segment
Segment
SCKO
MUTE
V
V
V
LRCK
DATA
OUT
OUT
OUT
Current
SCKI
MDO
V
V
OUT
V
Current
BCK
RST
MDI
V
I
MC
COM
COM
COM
CS
REF
DAC
Bias
DAC
CC
CC
CC
DD
R–
R+
L+
L–
1
2
3
1
2
3
REF
TYPE
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
IN
–
–
–
–
–
–
–
–
–
–
–
FUNCTION
Reset
Zero Flag for L-Channel.
Zero Flag for R-Channel.
Left/Right clock (f
WDCK clock input in external DF mode. Con-
nected to GND in DSD mode.
Serial Audio data input for normal operation.
L-channel audio data input for external DF and
DSD modes.
Bit Clock. Input. Connected to GND for DSD mode.
BCK (64f
Digital Ground
Digital Supply, +3.3V
System Clock Output
Serial data output for function control register.
Serial data input for function control register.
Shift Clock for function control register.
Mode Control chip select and latch signal.
Analog output mute control for normal operation.
R-channel audio data input for external DF and
DSD modes.
R-Channel Analog Current Output –
R-Channel Analog Current Output +
Analog Ground
Internal Bias Decoupling Pin
Common Voltage for I/V
Output current reference bias pin. Connect 16k
resistor to GND.
Internal Bias Decoupling Pin
Analog Supply, +5.0V
Analog Supply, +5.0V
L-Channel Analog Current Output +
L-Channel Analog Current Output –
Analog Ground
Analog Power Supply, +5.0V
System Clock Input for normal operation.
I
I
V
I
V
V
I
I
OUT
OUT
REF
OUT
OUT
COM
COM
COM
L+
L–
R–
R+
2
1
3
(1)
S
) clock input for DSD mode.
S
) input for normal operation.
IV and Filter
IV and Filter
PCM1738
SBAS174B
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)