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Burr-Brown Corporation - 24 Bits/ 96kHz/ Sampling Stereo Audio DIGITAL-TO-ANALOG CONVERTER

Numéro de référence PCM1744
Description 24 Bits/ 96kHz/ Sampling Stereo Audio DIGITAL-TO-ANALOG CONVERTER
Fabricant Burr-Brown Corporation 
Logo Burr-Brown Corporation 





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PCM1744 fiche technique
® PCM1744
PCM1744
For most current data sheet and other product
information, visit www.burr-brown.com
TM 24 Bits, 96kHz,
Sampling Stereo Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q COMPLETE STEREO DAC: Includes Digital
Filter and Output Amp
q DYNAMIC RANGE: 95dB
q MULTIPLE SAMPLING FREQUENCIES:
Up to 96kHz
q 8x OVERSAMPLING DIGITAL FILTER
q SYSTEM CLOCK: 256fS / 384fS
q 24-BIT I2S DATA INPUT FORMAT
q SMALL 14-PIN SOIC PACKAGE
DESCRIPTION
The PCM1744 is a complete low cost stereo audio
digital-to-analog converter (DAC), operating off of a
256fS or 384fS system clock. The DAC contains a 3rd-
order ∆Σ modulator, a digital interpolation filter, and
an analog output amplifier. The PCM1744 accepts
24-bit input data in a I2S format.
The digital filter performs an 8x interpolation function
and includes de-emphasis at 44.1kHz. The PCM1744
can accept digital audio sampling frequencies from
16kHz to 96kHz, always at 8X oversampling.
The PCM1744 is ideal for low-cost, CD-quality con-
sumer audio applications.
BCKIN
LRCIN
DIN
Serial
Input
I/F
FORMAT
DM
Mode
Control
I/F
8X Oversampling
Digital Filter
Multi-level
Delta-Sigma
Modulator
DAC
Multi-level
Delta-Sigma
Modulator
DAC
Low-pass
Filter
Low-pass
Filter
256fS/384fS
SCKI
Power Supply
VCC GND
VOUTL
CAP
VOUTR
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111 • Twx: 910-952-1111
Internet: http://www.burr-brown.com/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1999 Burr-Brown Corporation
PDS-11553A
PCM1744Printed in U.S.A. September, 1999
®

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