PCM2707C datasheet(1/53 Pages) TI2

Part #	PCM2707C

Description	PCM270xC Stereo Audio DAC With USB Interface, Single-Ended Headphone Output and S/PDIF Output

PDF	53 Pages

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Manufacturer	TI2 [Texas Instruments]

Direct Link	https://www.ti.com

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PCM2704C/5C/6C/7C

External ROM

Line Out

S/PDIF

USB

HID Controls

VDD

VCCL

VCCR

VCCP

AGNDR

AGNDL

ZGND

DGND

PGND

SPI

I2S

Burr-BrownAudio

Product

Folder

Sample &

Buy

Technical

Documents

Tools &

Software

Support &

Community

PCM2704C, PCM2705C, PCM2706C, PCM2707C

SBFS036B – MAY 2015 – REVISED AUGUST 2015

PCM270xC Stereo Audio DAC With USB Interface, Single-Ended Headphone Output and

S/PDIF Output

1 Features

2 Applications

1

•

On-Chip USB Interface:

•

USB Headphones

•

USB Audio Speaker

–

No Dedicated Device Driver Needed

•

USB CRT/LCD Monitor

–

Full-Speed Transceivers

•

USB Audio Interface Box

–

Fully Compliant With USB 2.0 Specification

•

USB-Featured Consumer Audio Product

–

USB 1.1 Descriptors With USB Audio Class

Support

3 Description

–

Certified by USB-IF

The PCM270xC are TI's single-chip USB stereo

–

Partially Programmable Descriptors

audio digital-to-analog converters (DACs) with USB

–

Adaptive Isochronous Transfer for Playback

2.0

compliant

full-speed

protocol

controller

and

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

–

Bus-Powered or Self-Powered Operation

software code, but USB descriptors can be modified

•

Sampling Rates: 32 kHz, 44.1 kHz, and 48 kHz

in some areas (for example, vendor ID/product ID)

•

On-Chip Clock Generator With Single 12-MHz

through the use of an external ROM (PCM2704C and

Clock Source

PCM2706C)

or

serial

peripheral

interface

(SPI)

•

Single Power Supply:

(PCM2705C and PCM2707C). The PCM270xC also

employ SpAct™ architecture, TI's unique system that

–

Bus-Powered: 5 V, Typical (VBUS)

recovers the audio clock from USB packet data. On-

–

Self-Powered: 3.3 V, Typical

chip analog phase-locked loops (PLLs) with SpAct

•

16-Bit Delta-Sigma Stereo DAC

enable playback with low clock jitter.

–

Analog Performance at 5 V (Bus-Powered),

Device Information(1)

3.3 V (Self-Powered):

PART NUMBER

PACKAGE

BODY SIZE (NOM)

–

THD + N: 0.006% RL > 10 kΩ, Self-

PCM2704C

Powered

SSOP (28)

5.30 mm × 10.20 mm

PCM2705C

–

THD + N: 0.025% RL = 32 Ω

PCM2706C

–

SNR = 98 dB

TQFP (32)

7.00 mm × 7.00 mm

PCM2707C

–

Dynamic Range: 98 dB

(1) For all available packages, see the orderable addendum at

–

PO = 12 mW, RL = 32 Ω

the end of the data sheet.

–

Oversampling Digital Filter

Block Diagram

–

Passband Ripple = ±0.04 dB

–

Stop-Band Attenuation = –50 dB

–

Single-Ended Voltage Output

–

Analog LPF Included

•

Multiple Functions:

–

Up to Eight Human Interface Device (HID)

Interfaces (Model and Setting Dependent)

–

Suspend Flag

–

S/PDIF Out With SCMS

–

External ROM Interface (PCM2704C/6C)

–

Serial Programming Interface (PCM2705C/7C)

–

I2S Interface (Selectable on PCM2706C/7C)

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

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PCM2707C Datasheet(PDF) 1 Page - Texas Instruments

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