24-Bit, 96kHz

BiCMOS Sign-Magnitude

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

PCM1704

®

FEATURES

q SAMPLING FREQUENCY (f

q 8X OVERSAMPLING AT 96kHz

q INPUT AUDIO DATA WORD: 20-, 24-Bit

q HIGH PERFORMANCE:

Dynamic Range: K Grade = 112dB typ

SNR: 120dB typ

THD+N: K Grade = 0.0008% typ

q FAST CURRENT OUTPUT:

q GLITCH-FREE OUTPUT

q PIN-PROGRAMMABLE DATA INVERSION

q POWER SUPPLY:

q SMALL 20-LEAD SO PACKAGE

© 1998 Burr-Brown Corporation

PDS-1454C

Printed in U.S.A. February, 1999

TM

DESCRIPTION

The PCM1704 is a precision, 24-bit digital-to-analog

converter with exceptionally high dynamic perfor-

mance. The ultra-low distortion and excellent low-

level signal performance makes the PCM1704 an ideal

candidate for high-end consumer and professional

audio applications. When used with a digital interpo-

lation filter, the PCM1704 supports 8X oversampling

at 96kHz.

The PCM1704 incorporates a BiCMOS sign-magni-

tude architecture that eliminates glitches and other

nonlinearities around bipolar zero. The PCM1704 is

precision laser-trimmed at the factory to minimize

differential linearity and gain errors.

In addition to high performance audio systems, the

PCM1704 is well-suited to waveform synthesis appli-

cations requiring very low distortion and noise.

Serial Input

and

Control Logic

Reference and Servo

REF DC SERVO DC

DGND +V

DD

–V

CC

AGND

23-Bit DAC A

23-Bit DAC B

I

OUT

Bipolar Offset

INVERT

20-BIT

WCLK

DATA

BCLK

Power Supply

–V

DD

+V

PCM1

704

SBAS097