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CDB4271 데이터시트(PDF) 1 Page - Cirrus Logic |
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CDB4271 데이터시트(HTML) 1 Page - Cirrus Logic |
1 / 53 page Copyright © Cirrus Logic, Inc. 2005 (All Rights Reserved) Cirrus Logic, Inc. www.cirrus.com CS4271 24-Bit, 192 kHz Stereo Audio CODEC D/A Features ! High Performance – 114 dB Dynamic Range – -100 dB THD+N ! Up to 192 kHz Sampling Rates ! Differential Analog Architecture ! Volume Control with Soft Ramp – 1 dB Step Size – Zero Crossing Click-free Transitions ! Selectable Digital Filters – Fast and Slow Roll Off ! ATAPI Mixing Functions ! Selectable Serial Audio Interface Formats – Left Justified up to 24-bit –I2S up to 24-bit – Right Justified 16-, 18-, 20-, and 24-Bit ! Control Output for External Muting ! Selectable 50/15 µs De-emphasis A/D Features ! High Performance – 108 dB Dynamic Range – -98 dB THD+N ! Up to 192 kHz Sampling Rates ! Single-Ended Analog Architecture ! Multi-bit Delta Sigma Conversion ! High-pass Filter or DC Offset Calibration ! Low-Latency Digital Anti-alias Filtering ! Automatic Dithering of 16-bit Data ! Selectable Serial Audio Interface Formats – Left Justified up to 24-bit –I2S up to 24-bit System Features ! Direct Interface with 5V to 2.5V Logic Levels ! Internal Digital Loopback ! On-chip Oscillator ! Stand-Alone or Control Port Functionality 2.5 V to 5 V Left and Right Mute Controls ∆Σ Modulator ∆Σ Modulator Low-Latency Anti-Alias Filter External Mute Control Register / Hardware Configuration Internal Voltage Reference Internal Oscillator Volume Control Selectable Interpolation Filter Selectable Interpolation Filter Reset Left Differential Output Right Differential Output Switched Capacitor DAC and Filter Multibit Oversampling ADC Multibit Oversampling ADC Low-Latency Anti-Alias Filter High Pass Filter & DC Offset Calibration High Pass Filter & DC Offset Calibration Left Input Right Input Volume Control Serial Audio Input Serial Audio Output 3.3 V to 5 V 5 V Hardware or I 2C/SPI Control Data Switched Capacitor DAC and Filter AUGUST '05 DS592F1 |
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