®
4
PCM1732
PIN NAME I/O DESCRIPTION
1 LRCIN IN Left and Right Clock Input. This clock is equal to
the sampling rate, f
S
.
(1)
2 DIN IN Serial Audio Data Input
(1)
3 BCKIN IN Bit Clock Input for Serial Audio Data
(1)
4 CLKO OUT Buffered System Clock Output.
5 XTI IN Oscillator Input/External Clock Input
(2)
6 XTO OUT Oscillator Output
7 DGND — Digital Ground
8V
DD
— Digital Power +5V
9 HDCD OUT HDCD Encoded Data Detect
10 V
CC
2R — Analog Power +5V, Rch
11 AGND2R — Analog Ground, Rch
12 EXTR — Common Mode Voltage for Analog Output Amp,
Rch
13 V
OUT
R OUT Analog Voltage Output, Rch
14 AGND1 — Analog Ground
15 V
CC
1 — Analog Power +5V
16 V
OUT
L OUT Analog Voltage Output, Lch
17 EXTL — Common Mode Voltage for Analog Output Amp,
Lch
18 AGND2L OUT Analog Ground, Lch
19 V
CC
2L — Analog Power +5V, Lch
20 GAIN OUT External (analog) Gain Scaling
21 ZERO OUT Zero Data Flag
22 RST IN Reset. When this pin is LOW, the digital filter
and modulators are held in reset.
(3)
23 CS/IW0 IN Chip Select/Input Format Selection. When this
pin is LOW, the Mode Control interface is en-
abled.
(4)
24 MODE IN
Mode Control Select: H = Software; L =
Hardware
(3)
25 MUTE IN Mute Control
(3)
26 MD/FSS IN Mode Data/Sampling Rate Range Select
(3)
27
MC/DEM
IN Mode Clock/De-Emphasis Select
(3)
28 ML/I
2
S IN Mode Latch/Input Format Select
(3)
NOTES: (1) Schmitt Trigger input. (2) CMOS logic level input. (3) Schmitt
Trigger input with pull-up resister. (4) Schmitt Trigger input with pull-down
resistor.
PIN ASSIGNMENTSPIN CONFIGURATION
ELECTROSTATIC
DISCHARGE SENSITIVITY
This integrated circuit can be damaged by ESD. Burr-Brown
recommends that all integrated circuits be handled with
appropriate precautions. Failure to observe proper handling
and installation procedures can cause damage.
ESD damage can range from subtle performance degradation
to complete device failure. Precision integrated circuits may
be more susceptible to damage because very small parametric
changes could cause the device not to meet its published
specifications.
Power Supply Voltage ...................................................................... +6.5V
+V
CC
to +V
DD
Difference ................................................................... ±0.1V
Input Logic Voltage .................................................. –0.3V to (V
DD
+ 0.3V)
Input Current (except power supply) ............................................... ±10mA
Power Dissipation .......................................................................... 750mW
Operating Temperature Range ......................................... –25°C to +70°C
Storage Temperature ...................................................... –55°C to +125°C
Lead Temperature (soldering, 5s)................................................. +260°C
(reflow, 10s) .................................................... +235°C
ABSOLUTE MAXIMUM RATINGS
LRCIN
DIN
BCKIN
CLKO
XTI
XTO
DGND
V
DD
HDCD
V
CC
2R
AGND2R
EXTR
V
OUT
R
AGND1
ML/I
2
S
MC/DEM
MD/FSS
MUTE
MODE
CS/IWO
RST
ZERO
GAIN
V
CC
2L
AGND2L
EXTL
V
OUT
L
V
CC
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PCM1732U
Top View SO-28
PACKAGE SPECIFIED
DRAWING TEMPERATURE PACKAGE ORDERING TRANSPORT
PRODUCT PACKAGE NUMBER
(1)
RANGE MARKING NUMBER
(2)
MEDIA
PCM1732U SO-28 217 –25°C to +70°C PCM1732U PCM1732U Rails
"""""PCM1732U/1K Tape and Reel
NOTES: (1) For detailed drawing and dimension table, please see end of data sheet, or Appendix C of Burr-Brown IC Data Book. (2) Models with a slash (/) are
available only in Tape and Reel in the quantities indicated (e.g., /1K indicates 1000 devices per reel). Ordering 1000 pieces of “PCM1732U/1K” will get a single
1000-piece Tape and Reel. For detailed Tape and Reel mechanical information, refer to Appendix B of Burr-Brown IC Data Book.
PACKAGE/ORDERING INFORMATION
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