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CS42438-DMZ 데이터시트(PDF) 1 Page - Cirrus Logic |
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CS42438-DMZ 데이터시트(HTML) 1 Page - Cirrus Logic |
1 / 64 page Preliminary Product Information This document contains information for a new product. Cirrus Logic reserves the right to modify this product without notice. Copyright © Cirrus Logic, Inc. 2005 (All Rights Reserved) Cirrus Logic, Inc. http://www.cirrus.com FEATURES Six 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 CS42438 CODEC provides six multi-bit analog-to-digi- tal and eight multi-bit digital-to-analog Delta-sigma converters. The CODEC is capable of operation with either differential or single-ended inputs and outputs, in a 52-pin M QFP package. Six fully differential, or single-ended, inputs are available on stereo ADC1, ADC2, and ADC3. When operating in Single- ended Mode, an internal MUX before ADC3 allows selec- tion from up to four single-ended inputs. Digital volume control is provided for each ADC channel, with selectable overflow detection. All eight DAC channels provide digital volume control and can operate with differential or single-ended outputs. An auxiliary serial input is available for an additional two channels of PCM data. The CS42438 is ideal for audio systems requiring wide dy- namic range, negligible distortion and low noise, such as A/V receivers, DVD receivers, and automotive audio systems. ORDERING INFORMATION See page 62 . 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 I2C/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&2 High Pass Filter Differential or Single-Ended Analog Inputs 4 Digital Filters 4 *Optional MUX allows selection from up to 4 single-ended inputs. Multibit Oversampling ADC3 High Pass Filter 2 Digital Filters 2 Auxilliary Serial Audio Input Volume Controls Digital Filters Multibit DAC1-4 and Analog Filters ∆Σ Modulators CS42438 FEB ‘05 DS646PP2 108 dB, 192 kHz 6-in, 8-out TDM CODEC |
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