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FEATURES

APPLICATIONS

DESCRIPTION

PCM1680

www.ti.com.................................................................................................................................................. SLES133B – MARCH 2005 – REVISED OCTOBER 2008

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

Digital-to-Analog Converter

• Integrated A/V Receivers

2345

• 24-Bit Resolution

• DVD Movie and Audio Players

• Analog Performance:

• HDTV Receivers

–

Dynamic Range: 105 dB Typical

• Car Audio Systems

–

SNR: 105 dB Typical

• DVD Add-On Cards for High-End PCs

–

THD+N: 0.002% Typical

• Digital Audio Workstations

–

Full-Scale Output: 3.9 VPP Typical

• Other Multichannel Audio Systems

• 4x/8x Oversampling Interpolation Filter:

–

Stop-Band Attenuation: –50 dB

–

Passband Ripple: ±0.04 dB

The PCM1680 is a CMOS, monolithic integrated

• Sampling Frequency: 5 kHz to 200 kHz

circuit

which

features

eight

24-bit

audio

digital-to-analog

converters

(DACs)

and

support

• System Clock: 128 f

S, 192 fS, 256 fS, 384 fS, 512

circuitry in a small SSOP-28. The DACs use TI's

fS, 768 fS, or 1152 fS with Autodetect

enhanced multilevel delta-sigma (

ΔΣ) architecture to

• Zero Flags for Selectable Channel

achieve excellent signal-to-noise performance and a

Combinations

high tolerance to clock jitter.

• Serial Port (SPI™/I2C™) for Mode Control

The PCM1680 accepts industry-standard audio data

• User-Programmable Functions:

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

rates up to 200 kHz are supported. The PCM1680

–

Flexible Audio Data Formats

provides a full set of user-programmable functions

–

Right-Justified, I2S™, and Left-Justified

through a serial control port, using an SPI or I2C

–

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

interface.

–

Digital Attenuation: Mode Selectable

–

0 dB to –63 dB, 0.5-dB/step

–

0 dB to –100 dB, 1-dB/step

–

Soft Mute

–

Digital De-Emphasis

–

Digital Filter Roll-Off: Sharp or Slow

• Single Power-Supply Operation: 5-V Analog,

5-V Digital

• Package: SSOP-28 (150 mil)

• Pin-Compatible with PCM1780

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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.

2

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

3

SPI is a trademark of Motorola.

4

I2C, I2S are trademarks of NXP Semiconductors.

5

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2005–2008, 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.