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PCM1732 Datasheet

  • PCM1732

  • 24-Bit, 96kHz, Stereo Audio DIGITAL-TO-ANALOG CONVERTER With...

  • 18頁

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廬
49%
FPO
廬
PCM1732
廬
For most current data sheet and other product
information, visit www.burr-brown.com
24-Bit, 96kHz, Stereo Audio
DIGITAL-TO-ANALOG CONVERTER
With HDCD
廬
Decoder
TM
FEATURES
q
q
q
q
q
ENHANCED MULTI-LEVEL
鈭單?/div>
DAC
INPUT AUDIO DATA WORD: 16-, 20-, 24-Bit
SAMPLING FREQUENCY (f
s
): 16kHz - 96kHz
SYSTEM CLOCK: 256, 384, 512, 768f
S
HIGH PERFORMANCE:
THD+N: 鈥?6dB
Dynamic Range: 104dB
SNR: 104dB
AUDIO OUTPUT LEVEL: 0.57 x V
CC
(Vp-p)
8x OVERSAMPLING DIGITAL FILTER WITH
HDCD DECODER:
Stopband Attenuation: 鈥?20dB
Passband Ripple:
鹵
0.00001dB
HDCD Filter Optimized for 44.1kHz to 48kHz
and 88.2kHz to 96kHz
MULTI-FUNCTIONS:
Digital De-emphasis
Soft Mute
BCKIN
Serial
Digital Attenuation
Input
LRCIN
I/F
Zero Detect
DIN
Digital Gain Scaling
Reversible Output Phase
+5V SINGLE-SUPPLY OPERATION
SMALL SO-28 PACKAGE
ML/I
2
S
MC/DEM
MD/FSS
Mode
Control
I/F
DESCRIPTION
The PCM1732 is designed for mid- to high-grade
digital audio applications which achieve 96kHz sam-
pling rates with 24-bit audio data, such as High Defi-
nition Compatible Digital (HDCD) CD players, DVD
players, mini-disc players and AV receivers.
PCM1732 uses a newly-developed 鈥渆nhanced, multi-
level delta-sigma modulator鈥?architecture that im-
proves audio dynamic performance and reduces jitter
sensitivity.
The internal digital filter operates at 8x oversampling
at a 96kHz sampling rate, with 鈥?20dB stopband
attenuation.
q
q
V
CC2
L
q
V
CC2
R
AGND2R
AGND2L
PCM1732
HDCD
Amplitude
Decoding
HDCD
Hidden
Code
Recovery
q
q
DAC
HDCD
8x
Oversampling
Digital Filter
Enhanced
Multi-Level
鈭單?/div>
Modulator
DAC
Low-Pass
Filter
V
OUT
L
EXTL
Low-Pass
Filter
V
OUT
R
EXTR
ZERO
NOTE: An HDCD license from Pacific Microsonics, Inc. is
required to purchase the PCM1732.
CS/IWO
MODE
MUTE
RST
BPZ Control
SCK
Power-On Reset
Open
Drain
HDCD
廬
is a registered trademark of Pacific Microsonics, Inc.
Crystal/OSC
Power Supply
HDCD
廬
technology is provided under license from Pacific Microsonics
Inc. The PCM1732鈥檚 design is covered by the following patents:
In the USA: 45,479,168, 5,638,074, 5,640,161, 5,808,574, 5,838,274
5,854,600, 5,864,311, 5,872,531.
In Australia: 669,114.
Other patents pending.
XTI
XTO
CLKO
V
CC1
AGND1
V
DD
DGND
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111
Twx: 910-952-1111 鈥?Internet: http://www.burr-brown.com/ 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
漏 1999 Burr-Brown Corporation
PDS-1522B
Printed in U.S.A. August, 1999

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