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CS42448 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS42448 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 64 page  Copyright © Cirrus Logic, Inc. 2006 (All Rights Reserved) http://www.cirrus.com NOVEMBER '06 DS648F2 108 dB, 192 kHz 6-In, 8-Out CODEC 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 System Sampling Rates up to 192 kHz Programmable ADC High-Pass Filter for DC Offset Calibration Logarithmic Digital Volume Control I²C® & SPI™ Host Control Port Supports Logic Levels Between 5 V and 1.8 V Popguard® Technology GENERAL DESCRIPTION The CS42448 CODEC provides six 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 64-pin LQFP package. Six fully differential, or single-ended, inputs are avail- able on stereo ADC1, ADC2, and ADC3. When operating in Single-ended Mode, an internal MUX be- fore ADC3 allows selection 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 CS42448 is available in a 64-pin LQFP package in Commercial (-10° to +70°) and Automotive (-40° to +105°) grades. The CDB42448 Customer Demonstra- tion board is also available for device evaluation and implementation suggestions. Please refer to “Ordering Information” on page 64 for complete ordering information. The CS42448 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 Mute Control External Mute Control Register Configuration Internal Voltage Reference Reset Serial Audio Input Digital Supply = 3.3 V to 5 V Analog Supply = 3.3 V to 5 V Input Master Clock 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 Differential or Single-Ended Outputs Digital Filters 8 Multibit DAC1-4 and Analog Filters 8 ΔΣ Modulators Interrupt ADC Overflow & Clock Error Interrupt I2C/SPI Software Mode Control Data CS42448 |
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