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PCM1738E

Description
SERIAL INPUT LOADING, 24-BIT DAC, PDSO28
Categorysemiconductor    logic   
File Size784KB,33 Pages
ManufacturerBurr-Brown
Websitehttp://www.burr-brown.com/
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PCM1738E Overview

SERIAL INPUT LOADING, 24-BIT DAC, PDSO28

PCM1738E Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals28
Maximum operating temperature85 Cel
Minimum operating temperature-25 Cel
Rated supply voltage5 V
Processing package descriptionGREEN, SSOP-28
Lead-freeYes
EU RoHS regulationsYes
China RoHS regulationsYes
stateACTIVE
CraftsmanshipCMOS
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE, SHRINK PITCH
surface mountYes
Terminal formGULL WING
Terminal spacing0.6500 mm
terminal coatingNICKEL PALLADIUM GOLD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelOTHER
Input formatSERIAL
Type of converter24-BIT DAC
Input bit encoding2S COMPLEMENT BINARY
PCM1738
PC
M
173
8
www.ti.com
24-Bit, 192kHz Sampling,
Advanced Segment, Audio-Stereo
DIGITAL-TO-ANALOG CONVERTER
FEATURES
24-BIT RESOLUTION
ANALOG PERFORMANCE (V
CC
= +5V):
Dynamic Range: 117dB typ
SNR: 117dB typ
THD+N: 0.0004% typ
Full-Scale Output: 2.2Vrms (at post amp)
DIFFERENTIAL CURRENT OUTPUT: 2.48mA
SAMPLING FREQUENCY: 10kHz to 200kHz
SYSTEM CLOCK: 128, 192, 256, 384, 512,
or 768f
S
with Auto Detect
ACCEPTS 16-, 20-, AND 24-BIT AUDIO DATA
DATA FORMATS: Standard, I
2
S, and Left-
Justified
8x OVERSAMPLING DIGITAL FILTER:
Stopband Attenuation: –82dB
Passband Ripple: 0.002dB
OPTIONAL INTERFACE TO EXTERNAL
DIGITAL FILTER AVAILABLE
OPTIONAL INTERFACE TO DSD DE-
CODER FOR SACD PLAYBACK
USER-PROGRAMMABLE MODE CONTROLS:
Digital Attenuation: 0dB to –120dB, 0.5dB/Step
Digital De-Emphasis
Digital Filter Roll-Off: Sharp or Slow
Soft Mute
Zero Detect Mute
Zero Flags for Each Output
DUAL-SUPPLY OPERATION:
+5V Analog, +3.3V Digital
5V TOLERANT DIGITAL INPUTS
SMALL SSOP-28 PACKAGE
APPLICATIONS
AV RECEIVERS
DVD MOVIE PLAYERS
SACD PLAYERS
HDTV RECEIVERS
CAR AUDIO SYSTEMS
DIGITAL MULTI-TRACK RECORDERS
OTHER MULTICHANNEL AUDIO SYSTEMS
DESCRIPTION
The PCM1738 is a CMOS, monolithic, Integrated Cir-
cuit (IC) that includes stereo Digital-to-Analog Convert-
ers (DACs) and support circuitry in a small SSOP-28
package. The data converters utilize a newly developed
advanced segment DAC architecture to achieve excel-
lent dynamic performance and improved tolerance to
clock jitter. The PCM1738 provides balanced current
outputs, allowing the user to optimize analog perfor-
mance externally, and accepts industry standard audio
data formats with 16- to 24-bit data, providing easy
interfacing to audio DSP and decoder chips. Sampling
rates up to 200kHz are supported. The PCM1738 also
has two optional modes of operation: an external digital-
filter mode (for use with the DF1704, DF1706, and
PMD200), and a DSD decoder interface for SACD
playback applications. A full set of user-programmable
functions are accessible through a 4-wire serial control
port that supports register write and read functions.
Copyright © 2000, Texas Instruments Incorporated
SBAS174B
Printed in U.S.A. February, 2002

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