PCM4222 Datasheet, PDF (1/38 Pages) Burr-Brown (TI) – High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter

BurrĆBrown Products
from Texas Instruments
PCM4222
PCM4222
SBAS399A – OCTOBER 2006 – REVISED MARCH 2007
High-Performance, Two-Channel, 24-Bit, 216kHz Sampling
Multi-Bit Delta-Sigma Analog-to-Digital Converter
FEATURES
• 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
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Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
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All other trademarks are the property of their respective owners.
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 © 2006–2007, Texas Instruments Incorporated