Burr-BrownAudio

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FEATURES

APPLICATIONS

DESCRIPTION

PCM1789

24-Bit, 192-kHz Sampling, Enhanced Multi-Level

ΔΣ,

Stereo, Audio Digital-to-Analog Converter

• External Reset Pin

2345

• Enhanced Multi-Level Delta-Sigma DAC:

• Power Supplies:

–

–

5 V for Analog and 3.3 V for Digital

–

THD+N: –94 dB

• Package: TSSOP-24

–

SNR: 113 dB

• Operating Temperature Range:

–

Dynamic Range: 113 dB

–

–40°C to +85°C

–

Sampling Rate: 8 kHz to 192 kHz

–

• Blu-ray Disc™ Players

• DVD Players

–

• AV Receivers

–

Analog Low-Pass Filter Included

• Home Theaters

–

4x/8x Oversampling Digital Filter:

• Car Audio External Amplifiers

–

Passband Ripple: ±0.0018 dB

• Car Audio AVN Applications

–

Stop Band Attenuation: –75 dB

–

Zero Flags (16-/20-/24-Bits)

• Flexible Audio Interface:

The PCM1789 is a high-performance, single-chip,

–

24-bit, stereo, audio digital-to-analog converter (DAC)

with differential outputs. The two-channel, 24-bit DAC

–

Data Length: 16, 20, 24, 32 Bits

employs an enhanced multi-level, delta-sigma (

ΔΣ)

• Flexible Mode Control:

modulator, and supports 8 kHz to 192 kHz sampling

–

rates and a 16-/20-/24-/32-bit width digital audio input

Serial Control Interface, or

word on the audio interface. The audio interface of

PCM1789 supports a 24-bit, DSP format in addition

Hardware Control

–

Connect Up To 4 Devices on One SPI Bus

The PCM1789 can be controlled through a three-wire,

–

interface in software, which provides access to all

Right-Justified, DSP

functions including digital attenuation, soft mute,

–

Digital Attenuation and Soft Mute

de-emphasis, and so forth. Also, hardware control

mode provides two user-programmable functions

–

Digital De-Emphasis: 32 kHz, 44.1 kHz,

through two control pins. The PCM1789 is available

48 kHz

in a 24-pin TSSOP package.

–

Data Polarity Control

–

Power-Save Mode

• Multi Functions via Hardware Control:

–

–

Digital De-Emphasis Filter: 44.1 kHz

• Analog Mute by Clock Halt Detection

1

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

Blu-ray Disc is a trademark of Blu-ray Disc Association.

3

SPI is a trademark of Motorola, Inc.

4

I2S, I2C 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 © 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.