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CDB42438 Datasheet(PDF) 1 Page - Cirrus Logic |
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CDB42438 Datasheet(HTML) 1 Page - Cirrus Logic |
1 / 57 page Copyright © Cirrus Logic, Inc. 2007 (All Rights Reserved) http://www.cirrus.com DECEMBER '07 DS685F2 108 dB, 192 kHz 4-In, 8-Out TDM CODEC FEATURES Four 24-bit A/D, Eight 24-bit D/A Converters ADC Dynamic Range – 105 dB Differential – 102 dB Single-Ended DAC Dynamic Range – 108 dB Differential – 105 dB Single-Ended ADC/DAC THD+N – -98 dB Differential – -95 dB Single-Ended Compatible with Industry-Standard Time Division Multiplexed (TDM) Serial Interface DAC Sampling Rates up to 192 kHz ADC Sampling Rates up to 96 kHz Programmable ADC High-Pass Filter for DC Offset Calibration Logarithmic Digital Volume Control Hardware Mode or Software I²C® & SPI™ Supports Logic Levels Between 5 V and 1.8 V GENERAL DESCRIPTION The CS42435 CODEC provides four multi-bit analog-to- digital and eight multi-bit digital-to-analog delta-sigma converters. The CODEC is capable of operation with ei- ther differential or single-ended inputs and outputs, in a 52-pin MQFP package. Four fully differential, or single-ended, inputs are avail- able on stereo ADC1 and ADC2. Digital volume control is provided for each ADC channel, with selectable over- flow detection. An auxiliary serial input is available for an additional two channels of PCM data. All eight DAC channels provide digital volume control and can operate with differential or single-ended outputs. The CS42435 is available in a 52-pin MQFP package in Commercial (-40°C to +85°C) and Automotive (-40°C to +105°C) grades. The CDB42438 Customer Demonstra- tion board is also available for device evaluation and implementation suggestions. Please refer to “Ordering Information” on page 57 for complete ordering information. The CS42435 is ideal for audio systems requiring wide dynamic range, negligible distortion and low noise, such as A/V receivers, DVD receivers, and automotive audio systems. Control Port & Serial Audio Port Supply = 1.8 V to 5 V Register Configuration Internal Voltage Reference Reset TDM Serial Audio Input Digital Supply = 3.3 V Hardware Mode or I 2C/SPI Software Mode Control Data Analog Supply = 3.3 V to 5 V Differential or Single-Ended Outputs 8 Input Master Clock 8 TDM Serial Audio Output Multibit Oversampling ADC1 High Pass Filter Differential or Single-Ended Analog Inputs 2 Digital Filters 2 Multibit Oversampling ADC2 High Pass Filter 2 Digital Filters 2 Auxilliary Serial Audio Input Volume Controls Digital Filters Multibit DAC1-4 and Analog Filters ΔΣ Modulators CS42435 |
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