PCM2704,PCM2705

PCM2706,PCM2707

SLES081A − JUNE 2003 – REVISED MAY 2004

STEREO AUDIO DAC WITH USB INTERFACE,

SINGLEENDED HEADPHONE OUTPUT AND S/PDIF OUTPUT

FEATURES

− With Full-Speed Transceivers

− Fully Compliant With USB 1.1

Specification

− Certified by USB-IF

− Partially Programmable Descriptors

− Adaptive Isochronous Transfer for

Playback

− Bus-Powered or Self-Powered Operation

Single 12-MHz Clock Source

− Self-Powered: 3.3 V, Typical

− Analog Performance at 5 V (Bus),

3.3 V (Self):

Self-Powered)

− SNR: 98 dB

− Dynamic Range: 98 dB

− Oversampling Digital Filter

− Pass-Band Ripple:

±0.04 dB

− Stop-Band Attenuation: –50 dB

− Single-Ended Voltage Output

− Analog LPF Included

− Up to Eight Human Interface Device (HID)

Interfaces (Depending on Model and

Settings)

− Suspend Flag

− S/PDIF Out With SCMS

− External ROM Interface (PCM2704/6)

− Serial Programming Interface (PCM2705/7)

− Lead-Free Product

− 28-Pin SSOP (PCM2704/5)

− 32-Pin TQFP (PCM2706/7)

APPLICATIONS

DESCRIPTION

The PCM2704/5/6/7 is TI’s single-chip USB stereo audio

DAC with USB 1.1 compliant full-speed protocol controller

and S/PDIF. The USB-protocol controller works with no

software code, but USB descriptors can be modified in

some parts (for example, vendor ID/product ID) through

the use

of an external ROM (PCM2704/6) SPI

employs SpAct

 architecture, TI’s unique system that

recovers the audio clock from USB packet data. On-chip

analog PLLs with SpAct enable playback with low clock

jitter.

PRODUCTION DATA information is current as of publication date. Products

conform to specifications per the terms of Texas Instruments standard warranty.

Production processing does not necessarily include testing of all parameters.

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.

BurrBrown Products

from Texas Instruments

Copyright

 2004, Texas Instruments Incorporated

†The modification of the USB descriptor through external ROM or SPI must comply with USB-IF guidelines, and the vendor ID must be your own

ID as assigned by the USB-IF. The descriptor also can be modified by changing a mask; please contact your representative for details.

SpAct is a trademark of Texas Instruments.