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CS4218 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS4218 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 44 page  Complete CMOS Stereo Audio Input and Output System featuring: • Delta-Sigma A/D and D/A Converters using 64x Oversampling. • Input Anti-Aliasing and Output Smoothing Filters. • Programmable Input Gain (0 dB to 22.5 dB). • Programmable Output Attenuation (0 dB to 46.5 dB). • Sample frequencies from 4 kHz to 50 kHz. • Low Distortion, THD < 0.02% for DAC. THD < 0.02% for ADC. • Low Power Dissipation: 80 mA typical. • Power-Down Mode : 1 mA typical. • Pin Compatible with CS4216 when used in Serial Modes 3 and 4 (See Appendix A). • I2S(TM) Compatible Serial Mode (SM5). • Operates from 5V or 3.3V Digital Power Supply. Requires 5V Analog Power Supply. General Description The CS4218 Stereo Audio Codec is a monolithic CMOS device for computer multimedia, automotive, and portable audio applications. It performs A/D and D/A conversion, filtering, and level setting, creating 4 audio inputs and 2 audio outputs for a digital computer system. The digital interfaces of left and right channels are multiplexed into a single serial data bus with word rates up to 50 kHz per channel. ADCs and the DACs use delta-sigma modulation with 64X oversampling. The ADCs and DACs include digi- tal decimation filters and output smoothing filters on-chip which eliminate the need for external anti-alias- ing filters. The CS4218 is pin and function compatible with the CS4216 when used in Serial modes 3 and 4. See the Appendix A at the end of this data sheet for details. I 2S is a trademark of Philips. Ordering Information: CS4218-KL 0 ° to 70°C 44-pin PLCC CS4218-KQ 0 ° to 70°C 44-pin TQFP 16-Bit Stereo Audio Codec CS4218 SSYNC LOUT ROUT SERIAL INTERFACE CONTROL INPUT MUX VOLTAGE REFERENCE CLKIN MF7:SFS1/F2 MF8:SFS2/F3 SDIN SDOUT SCLK SMODE1 RESET REFGND REFBYP REFBUF LIN1 LIN2 RIN1 RIN2 VD VA DGND AGND A/D A/D D/A D/A DO1 MF5:DO2/INT MF2:F2/CDIN MF1:F1/CDOUT DI1 MF6:DI2/F1 MF3:DI3/F3/CCLK OUTPUT MUTE INPUT GAIN PDN SMODE2 SMODE3 FILT MF4:MA/CCS SEP ’96 DS135F1 1 Crystal Semiconductor Corporation P.O. Box 17847, Austin, TX 78760 (512) 445 7222 FAX: (512) 445 7581 http://www.crystal.com Copyright © Crystal Semiconductor Corporation 1996 (All Rights Reserved) |
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