BurrBrown Products

from Texas Instruments

1

FEATURES

APPLICATIONS

DESCRIPTION

PCM2900

PCM2902

SLES035E – MARCH 2007 – REVISED MARCH 2008

STEREO AUDIO CODEC WITH USB INTERFACE,

SINGLE-ENDED ANALOG INPUT/OUTPUT AND S/PDIF

–

Pass-Band Ripple = ±0.1 dB

234

• PCM2900: Without S/PDIF

–

Stop-Band Attenuation = –43 dB

• PCM2902: With S/PDIF

–

Single-Ended Voltage Output

• On-Chip USB Interface:

–

Analog LPF Included

–

With Full-Speed Transceivers

• Multifunctions:

–

Fully Compliant With USB 1.1 Specification

–

Human Interface Device (HID) Volume ±

Control and Mute Control

–

Certified by USB-IF

–

Suspend Flag

–

• Package: 28-Pin SSOP

–

USB Adaptive Mode for Playback

–

USB Asynchronous Mode for Record

–

Bus Powered

• USB Audio Speaker

• 16-Bit Delta-Sigma ADC and DAC

• USB Headset

• Sampling Rate:

• USB Monitor

–

DAC: 32, 44.1, 48 kHz

• USB Audio Interface Box

–

ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz

• On-Chip Clock Generator With Single 12-MHz

Clock Source

The PCM2900/2902 is Texas Instruments' single-chip

• Single Power Supply: 5 V Typical (V

USB

stereo

audio

codec

with

USB-compliant

full-speed

protocol

controller

and

S/PDIF

(only

• Stereo ADC

PCM2902). The USB protocol controller works with

–

no software code, but the USB descriptors can be

–

THD+N = 0.01%

modified in some areas (e.g., vendor ID/product ID).

The PCM2900/2902 employs SpAct™ architecture,

–

SNR = 89 dB

TI's unique system that recovers the audio clock from

–

Dynamic Range = 89 dB

USB packet data. On-chip analog PLLs with SpAct

–

Decimation Digital Filter

architecture enable playback and record with low

clock jitter and with independent playback and record

–

Pass-Band Ripple = ±0.05 dB

sampling rates.

–

Stop-Band Attenuation = 65 dB

–

Single-Ended Voltage Input

–

Antialiasing Filter Included

–

Digital LCF Included

• Stereo DAC

–

–

THD+N = 0.005%

–

SNR = 96 dB

–

Dynamic Range = 93 dB

–

Oversampling Digital Filter

(1)

The descriptor can be modified by changing a mask.

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

SpAct is a trademark of Texas Instruments.

3

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

4

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2007–2008, 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.