BurrBrown Products

from Texas Instruments

PCM4222

FEATURES

APPLICATIONS

PCM4222

SBAS399A – OCTOBER 2006 – REVISED MARCH 2007

High-Performance, Two-Channel, 24-Bit, 216kHz Sampling

Multi-Bit Delta-Sigma Analog-to-Digital Converter

• Low Power Dissipation:

• Supports Linear PCM, 1-Bit Direct Stream

–

305mW typical for 48kHz sampling rate

Digital (DSD), and Multi-Bit Modulator Output

–

330mW typical for 96kHz sampling rate

Data

–

340mW typical for 192kHz sampling rate

–

Supports PCM Output Sampling Rates

• Linear Phase Digital Decimation Filtering

from 8kHz to 216kHz

–

Select from Classic or Low Group Delay

–

Choose from 64x or 128x Oversampled

Filter Responses

Output Rates for DSD

• Digital High-Pass Filtering Removes DC Offset

• Differential Voltage Inputs

–

Left and Right Channel Filters May Be

• On-Chip Voltage Reference Improves Power

Disabled Independently

Supply Noise Rejection

• PCM Audio Serial Port Interface

• Dynamic Performance: Multi-Bit Modulator

–

Master or Slave Mode Operation

Output with 6.144MHz Modulator Clock

–

Supports Left-Justified, I2S™, and TDM

–

6-Bit Modulator Data

Data Formats

–

Dynamic Range (–60dB input, A-weighted):

• PCM Output Word Length Reduction

124dB typical

• Overflow Indicators for the Left and Right

–

Dynamic Range (–60dB input, 20kHz

Channels

Bandwidth): 122dB typical

• Analog Power Supply:

–

Total Harmonic Distortion + Noise

+4.0V nominal

(–1dB input, 20kHz bandwidth): –108dB

• Digital Power Supply:

typical

+3.3V nominal

• Dynamic Performance: PCM Output with

• Power-Down Mode: 4mW typical

24-Bit Word Length

• Package: TQFP-48, RoHS compliant

–

Dynamic Range (–60dB input, A-weighted):

123dB typical

–

Dynamic Range (–60dB input, 20kHz

• Digital Audio Recorders and

bandwidth): 121dB typical

Mixing Desks

–

Total Harmonic Distortion + Noise

• Digital Live Sound Consoles

(–1dB input, 20kHz bandwidth): –108dB

• Digital Audio Effects Processors

typical

• Surround Sound Encoders

• Dynamic Performance: DSD Output with

• Broadcast Studio Equipment

5.6448MHz bit rate

• Audio Test and Measurement

–

Dynamic Range (–60dB input, 20kHz

• Sonar Systems

bandwidth): 121dB typical

• High-Performance Data Acquisition

–

Total Harmonic Distortion + Noise

(–1dB input, 20kHz bandwidth): –108dB

typical

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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

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I2S is a trademark of NXP Semiconductors.

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2006–2007, 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.