24-Bit, 96kHz Sampling

CMOS Delta-Sigma Stereo Audio

DIGITAL-TO-ANALOG CONVERTER

49%

FPO

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

PCM1728

®

TM

DESCRIPTION

The PCM1728 is designed for mid- to high-grade

digital audio applications which achieve 96kHz sam-

pling rates with 24-bit audio data. PCM1728 uses a

newly developed, enhanced multi-level delta-sigma

modulator architecture that improves audio dynamic

performance and reduces jitter sensitivity in actual

applications. The internal digital filter operates at 8X

oversampling at a 96kHz sampling rate.

The PCM1728 has superior audio dynamic perfor-

mance, 24-bit resolution, and 96kHz sampling, mak-

ing it ideal for mid- to high-grade audio applications

such as CD, DVD, and musical instruments.

FEATURES

q ENHANCED MULTI-LEVEL DELTA-SIGMA DAC

q SAMPLING FREQUENCY (f

q INPUT AUDIO DATA WORD:

16-, 20-, 24-Bit

q HIGH PERFORMANCE:

THD+N: –96dB

Dynamic Range: 106dB

SNR: 106dB

Analog Output Range: 0.62 x V

q 8x OVERSAMPLING DIGITAL FILTER:

Stop Band Attenuation: –82dB

Passband Ripple:

q MULTI FUNCTIONS:

Digital De-emphasis

Soft Mute

Zero Flag

q +5V SINGLE SUPPLY OPERATION

q SMALL 28-LEAD SSOP PACKAGE

© 1998 Burr-Brown Corporation

PDS-1453A

Printed in U.S.A. April, 1998

Serial

Input

I/F

Mode

Control

I/F

8X Oversampling

Digital Filter with

Function

Controller

Crystal/OSC

XTI

SCK

XTO

CLKO

V

V

DD

DGND

Enhanced

Multi-level

Delta-Sigma

Modulator

V

EXTL

Open Drain

DAC

Low-pass

Filter

Low-pass

Filter

V

EXTR

ZERO

DAC

DM1

LRCIN

DIN

BCKIN

IW0

DM0

IW1

MUTE

RST

Power Supply

PCM1728

SBAS096