BurrBrown Products

from Texas Instruments

FEATURES

APPLICATIONS

DESCRIPTION

Lch In

Rch In

Analog Front-End

Delta-Sigma

Modulator

Digital

Decimation

Filter

Serial Interface

and

Mode Control

Digital Out

Mode Control

System Clock

B0006-03

Digital In

Digital

Interpolation

Filter

Lch Out

Rch Out

Low-Pass Filter

and

Output Buffer

Multilevel

Delta-Sigma

Modulator

PCM3000

PCM3001

SBAS055A – OCTOBER 2000 – REVISED OCTOBER 2004

18-BIT STEREO AUDIO CODEC, SINGLE-ENDED ANALOG INPUT/OUTPUT

•

Single 5-V Power Supply

•

Monolithic 18-Bit

∆Σ ADC and DAC

•

Small Package: SSOP-28

•

16- or 18-Bit Input/Output Data

•

Accepts Seven Alternate Formats

•

Sampling Keyboards

•

Stereo ADC:

•

Digital Mixers

– Single-Ended Voltage Input

•

Mini-Disk Recorders

– 64

× Oversampling Digital Filter

•

Hard-Disk Recorders

• Pass-Band Ripple: ±0.05 dB

•

Karaoke Systems

• Stop-Band Attenuation: –65 dB

•

DSP-Based Car Stereo

– High Performance:

•

DAT Recorders

• THD+N: –88 dB

•

Video Conferencing

• SNR: 94 dB

• Dynamic Range: 94 dB

– Digital High-Pass Filter

The PCM3000/3001 is a low-cost, single-chip stereo

audio codec (analog-to-digital and digital-to-analog

•

Stereo DAC

converter) with single-ended analog voltage input and

– Single-Ended Voltage Outut

output.

– Analog Low-Pass Filter

Both ADCs and DACs employ delta-sigma modu-

– 8

× Oversampling Digital Filter

lation with 64-times oversampling. The ADCs include

• Pass-Band Ripple: ±0.17 dB

a digital decimation filter and the DACs include an

8-times oversampling digital interpolation filter. The

• Stop-Band Attenuation: 35 dB

DACs also include digital attenuation, de-emphasis,

– High Performance:

infinite zero detection and soft mute to form a

• THD+N: –90 dB

complete subsystem. The PCM3000/3001 operates

with left-justified, right-justified, I

2S or DSP data

• SNR: 98 dB

formats.

• Dynamic Range: 97 dB

The PCM3000 can be programmed with a three-wire

•

Special Features (PCM3000)

serial interface for special features and data formats.

– Digital De-Emphasis

The PCM3001 can be pin-programmed for data

– Digital Attenuation (256 Steps)

formats.

– Soft Mute

The PCM3000 and PCM3001 are fabricated using a

– Digital Loopback

highly advanced CMOS process and are available in

a small 28-pin SSOP package. The PCM3000/3001

•

Sample Rate: 4 kHz to 48 kHz

are suitable for a wide variety of cost-sensitive

•

System Clock: 256 fs, 384 fs, 512 fs

consumer applications where good performance is

required.

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 other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2000–2004, 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.