PCM4220_15 Datasheet, PDF (1/37 Pages) Texas Instruments – High-Performance, Two-Channel, 24-Bit, 216kHz Samplingnull Multi-Bit Delta-Sigma Analog-to-Digital Converter

PCM4220
PCM4220
www.ti.com............................................................................................................................................. SBAS407C – DECEMBER 2006 – REVISED AUGUST 2009
High-Performance, Two-Channel, 24-Bit, 216kHz Sampling
Multi-Bit Delta-Sigma Analog-to-Digital Converter
FEATURES
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•234 Supports Linear PCM Output Data
– Output Sampling Rates from 8kHz to
216kHz
• Differential Voltage Inputs
• On-Chip Voltage Reference Improves
Power-Supply Noise Rejection
• Dynamic Performance (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
– Channel Separation: 135dB
• 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
– Low Passband Ripple
Classic: ±0.00015dB
Low Group Delay: ±0.001dB
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• Digital High-Pass Filtering Removes DC Offset
– Left and Right Channel Filters May Be
Disabled Independently
• Audio Serial Port Interface
– Master or Slave Mode Operation
– Supports Left-Justified, I²S™, and TDM
Data Formats
• 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
• Data Acquisition and
Measurement Systems
• Audio Test Systems
• Sonar
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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.
Windows is a registered trademark of Microsoft Corporation.
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I2S is a trademark of NXP Semiconductor.
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All other trademarks are the property of their respective owners.
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PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2006–2009, Texas Instruments Incorporated