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PCM4222

ACTIVE

124dB SNR Stereo Audio ADC with PCM/DSD and modulator outputs

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Data sheet

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NEW TAA5242 ACTIVE Hardware-control high-performance stereo audio ADC with 119dB dynamic range Similar performance, lower power, smaller 4x4mm QFN package

PCM4222

ACTIVE
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Product details

Number of ADC channels 2 Analog inputs 2 Digital audio interface DSD, I2S, L, TDM Control interface H/W Sampling rate (max) (kHz) 216 ADC SNR (typ) (dB) 124 Rating Catalog Analog outputs 0 Operating temperature range (°C) -40 to 85
Number of ADC channels 2 Analog inputs 2 Digital audio interface DSD, I2S, L, TDM Control interface H/W Sampling rate (max) (kHz) 216 ADC SNR (typ) (dB) 124 Rating Catalog Analog outputs 0 Operating temperature range (°C) -40 to 85
TQFP (PFB) 48 81 mm² 9 x 9
  • Supports Linear PCM, 1-Bit Direct Stream Digital (DSD), and Multi-Bit Modulator Output Data
    • Supports PCM Output Sampling Rates from 8kHz to 216kHz
    • Choose from 64x or 128x Oversampled Output Rates for DSD
  • Differential Voltage Inputs
  • On-Chip Voltage Reference Improves Power Supply Noise Rejection
  • Dynamic Performance: Multi-Bit Modulator Output with 6.144MHz Modulator Clock
    • 6-Bit Modulator Data
    • Dynamic Range (-60dB input, A-weighted): 124dB typical
    • Dynamic Range (-60dB input, 20kHz Bandwidth): 122dB typical
    • Total Harmonic Distortion + Noise (-1dB input, 20kHz bandwidth): -108dB typical
  • Dynamic Performance: PCM Output with 24-Bit Word Length
    • Dynamic Range (-60dB input, A-weighted): 123dB typical
    • Dynamic Range (-60dB input, 20kHz bandwidth): 121dB typical
    • Total Harmonic Distortion + Noise (-1dB input, 20kHz bandwidth): -108dB typical
  • Dynamic Performance: DSD Output with 5.6448MHz bit rate
    • Dynamic Range (-60dB input, 20kHz bandwidth): 121dB typical
    • Total Harmonic Distortion + Noise (-1dB input, 20kHz bandwidth): -108dB typical
  • Low Power Dissipation:
    • 305mW typical for 48kHz sampling rate
    • 330mW typical for 96kHz sampling rate
    • 340mW typical for 192kHz sampling rate
  • Linear Phase Digital Decimation Filtering
    • Select from Classic or Low Group Delay Filter Responses
  • Digital High-Pass Filtering Removes DC Offset
    • Left and Right Channel Filters May Be Disabled Independently
  • PCM Audio Serial Port Interface
    • Master or Slave Mode Operation
    • Supports Left-Justified, I2S, and TDM Data Formats
  • PCM Output Word Length Reduction
  • Overflow Indicators for the Left and Right Channels
  • Analog Power Supply: +4.0V nominal
  • Digital Power Supply: +3.3V nominal
  • Power-Down Mode: 4mW typical
  • Package: TQFP-48, RoHS compliant
  • APPLICATIONS
    • Digital Audio Recorders and Mixing Desks
    • Digital Live Sound Consoles
    • Digital Audio Effects Processors
    • Surround Sound Encoders
    • Broadcast Studio Equipment
    • Audio Test and Measurement
    • Sonar Systems
    • High-Performance Data Acquisition

Windows is a registered trademark of Microsoft.
I2S is a trademark of NXP Semiconductors.
All other trademarks are the property of their respective owners.
  • Supports Linear PCM, 1-Bit Direct Stream Digital (DSD), and Multi-Bit Modulator Output Data
    • Supports PCM Output Sampling Rates from 8kHz to 216kHz
    • Choose from 64x or 128x Oversampled Output Rates for DSD
  • Differential Voltage Inputs
  • On-Chip Voltage Reference Improves Power Supply Noise Rejection
  • Dynamic Performance: Multi-Bit Modulator Output with 6.144MHz Modulator Clock
    • 6-Bit Modulator Data
    • Dynamic Range (-60dB input, A-weighted): 124dB typical
    • Dynamic Range (-60dB input, 20kHz Bandwidth): 122dB typical
    • Total Harmonic Distortion + Noise (-1dB input, 20kHz bandwidth): -108dB typical
  • Dynamic Performance: PCM Output with 24-Bit Word Length
    • Dynamic Range (-60dB input, A-weighted): 123dB typical
    • Dynamic Range (-60dB input, 20kHz bandwidth): 121dB typical
    • Total Harmonic Distortion + Noise (-1dB input, 20kHz bandwidth): -108dB typical
  • Dynamic Performance: DSD Output with 5.6448MHz bit rate
    • Dynamic Range (-60dB input, 20kHz bandwidth): 121dB typical
    • Total Harmonic Distortion + Noise (-1dB input, 20kHz bandwidth): -108dB typical
  • Low Power Dissipation:
    • 305mW typical for 48kHz sampling rate
    • 330mW typical for 96kHz sampling rate
    • 340mW typical for 192kHz sampling rate
  • Linear Phase Digital Decimation Filtering
    • Select from Classic or Low Group Delay Filter Responses
  • Digital High-Pass Filtering Removes DC Offset
    • Left and Right Channel Filters May Be Disabled Independently
  • PCM Audio Serial Port Interface
    • Master or Slave Mode Operation
    • Supports Left-Justified, I2S, and TDM Data Formats
  • PCM Output Word Length Reduction
  • Overflow Indicators for the Left and Right Channels
  • Analog Power Supply: +4.0V nominal
  • Digital Power Supply: +3.3V nominal
  • Power-Down Mode: 4mW typical
  • Package: TQFP-48, RoHS compliant
  • APPLICATIONS
    • Digital Audio Recorders and Mixing Desks
    • Digital Live Sound Consoles
    • Digital Audio Effects Processors
    • Surround Sound Encoders
    • Broadcast Studio Equipment
    • Audio Test and Measurement
    • Sonar Systems
    • High-Performance Data Acquisition

Windows is a registered trademark of Microsoft.
I2S is a trademark of NXP Semiconductors.
All other trademarks are the property of their respective owners.

The PCM4222 is a high-performance, two-channel analog-to-digital (A/D) converter designed for use in professional audio applications. Offering outstanding dynamic performance, the PCM4222 supports 24-bit linear PCM, 1-bit Direct Stream Digital (DSD), and 6-bit modulator data outputs. The supported output formats make the PCM4222 ideal for digital audio recording and processing applications. The multi-bit modulator output adds versatility, allowing customers to design their own digital decimation filter and processing hardware. The on-chip, linear phase decimation filtering engine supports Classic and Low Group Delay filter responses, allowing optimization for either studio or live sound applications.

The PCM4222 includes three PCM sampling modes, supporting output sampling rates from 8kHz to 216kHz. The DSD output supports either 64x or 128x oversampled bit rates. The PCM4222 is configured using dedicated control pins for selection of output modes, PCM audio data formats and word length, decimation filter response, high-pass filter disable, and reset/power-down functions.

While providing uncompromising performance, the PCM4222 addresses power concerns with just over 300mW typical total power dissipation, making the device suitable for multi-channel audio systems. The PCM4222 is typically powered from a +4.0V analog supply and a +3.3V digital supply. The digital I/O is logic-level compatible with common digital signal processors, digital interface transmitters, and programmable logic devices. The PCM4222 is available in a TQFP-48 package, which is RoHS-compliant.

The PCM4222 is a high-performance, two-channel analog-to-digital (A/D) converter designed for use in professional audio applications. Offering outstanding dynamic performance, the PCM4222 supports 24-bit linear PCM, 1-bit Direct Stream Digital (DSD), and 6-bit modulator data outputs. The supported output formats make the PCM4222 ideal for digital audio recording and processing applications. The multi-bit modulator output adds versatility, allowing customers to design their own digital decimation filter and processing hardware. The on-chip, linear phase decimation filtering engine supports Classic and Low Group Delay filter responses, allowing optimization for either studio or live sound applications.

The PCM4222 includes three PCM sampling modes, supporting output sampling rates from 8kHz to 216kHz. The DSD output supports either 64x or 128x oversampled bit rates. The PCM4222 is configured using dedicated control pins for selection of output modes, PCM audio data formats and word length, decimation filter response, high-pass filter disable, and reset/power-down functions.

While providing uncompromising performance, the PCM4222 addresses power concerns with just over 300mW typical total power dissipation, making the device suitable for multi-channel audio systems. The PCM4222 is typically powered from a +4.0V analog supply and a +3.3V digital supply. The digital I/O is logic-level compatible with common digital signal processors, digital interface transmitters, and programmable logic devices. The PCM4222 is available in a TQFP-48 package, which is RoHS-compliant.
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Technical documentation

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* Data sheet High-Performance, 2-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma A/D datasheet (Rev. A) 14 Mar 2007
EVM User's guide PCM4222EVM User's Guide 04 Dec 2006

Design & development

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Evaluation board

PCM4222EVM — PCM4222 Evaluation Module (EVM)

The PCM4222EVM provides a convenient platform for evaluating the performance and functionality of the PCM4222 device. When used in connection with commonly available audio test equipment, the PCM422EVM provides a complete environment for evaluating the functionality and performance of the PCM4222 (...)

User guide: PDF
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Support software

PCM4222EVM Gerber Files

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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