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DESCRIPTION

PCM1680

SLES133 – MARCH 2005

24-Bit, 192-kHz Sampling, Enhanced Multilevel, Delta-Sigma, Audio Digital-to-Analog

Converter

•

Single Power-Supply Operation: 5-V Analog,

5-V Digital

•

24-Bit Resolution

•

Package: 28-Lead SSOP (150 mil)

•

Analog Performance:

•

Pin-Compatible With PCM1780

– Dynamic Range: 105 dB Typical

– SNR: 105 dB Typical

– THD+N: 0.002% Typical

•

Integrated A/V Receivers

– Full-Scale Output: 3.9 Vp-p Typical

•

DVD Movie and Audio Players

•

4

×/8× Oversampling Interpolation Filter:

•

HDTV Receivers

– Stop-Band Attenuation: –50 dB

•

Car Audio Systems

– Pass-Band Ripple:

±0.04 dB

•

DVD Add-On Cards for High-End PCs

•

Sampling Frequency: 5 kHz to 200 kHz

•

Digital Audio Workstations

•

•

Other Multichannel Audio Systems

•

Zero Flags for Selectable Channel

Combinations

The PCM1680 is a CMOS monolithic integrated

circuit

which

features

eight

24-bit

audio

digi-

•

Serial Port (SPI/I

tal-to-analog converters and support circuitry in a

•

User-Programmable Functions:

small 28-lead SSOP. The digital-to-analog converters

– Flexible Audio Data Formats

use TI's enhanced multilevel delta-sigma architecture

to achieve excellent signal-to-noise performance and

a high tolerance to clock jitter.

• 16-, 18-, 20-, and 24-Bit Audio Data

The PCM1680 accepts industry-standard audio data

– Digital Attenuation: Mode Selectable

formats with 16- to 24-bit audio data. Sampling rates

• 0 dB to –63 dB, 0.5 dB/step

up to 200 kHz are supported. The PCM1680 provides

• 0 dB to –100 dB, 1 dB/step

a full set of user-programmable functions through a

– Soft Mute

serial control port, SPI or I

– Digital De-Emphasis

– Digital Filter Rolloff: Sharp or Slow

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

System Two, Audio Precision are trademarks of Audio Precision, Inc.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2005, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.