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CS43L42 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS43L42 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 40 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. 2004 (All Rights Reserved) http://www.cirrus.com Features 1.8 to 3.3 Volt supply 24-Bit conversion / 96 kHz sample rate 96 dB dynamic range at 3 V supply -85 dB THD+N Low power consumption Digital volume control • 96 dB attenuation, 1 dB step size Digital bass and treble boost • Selectable corner frequencies • Up to 12 dB boost in 1 dB increments Peak signal limiting to prevent clipping De-emphasis for 32 kHz, 44.1 kHz, and 48 kHz Headphone amplifier • up to 25 mWrms power output into 16 Ω load* • 25 dB analog attenuation and mute • Zero crossing click free level transitions ATAPI mixing functions 24-Pin TSSOP package * 1 kHz sine wave at 3.3V supply Description The CS43L42 is a complete stereo digital-to-analog out- put system including interpolation, 1-bit D/A conversion, analog filtering, volume control, line level outputs, and a headphone amplifier, in a 24-pin TSSOP package. The CS43L42 is based on delta-sigma modulation, where the modulator output controls the reference volt- age input to an ultra-linear analog low-pass filter. This architecture allows infinite adjustment of the sample rate between 2 kHz and 100 kHz simply by changing the master clock frequency. The CS43L42 contains on-chip digital bass and treble boost, peak signal limiting, and de-emphasis. The CS43L42 operates from a +1.8 V to +3.3 V supply and consumes only 16 mW of power with a 1.8 V supply with the line amplifier powered-down. These features are ideal for portable CD, MP3 and MD players and other portable playback systems that require extremely low power consumption. ORDERING INFORMATION CS43L42-KZ -10 to 70 °C 24-pin TSSOP CS43L42-KZZ, Lead Free -10 to 70 °C 24-pin TSSOP CDB43L42 Evaluation Board SCL/CCLK/DIF1 SDA/CDIN/DIF0 AD0/CS/DEM0 MUTEC Control Port Digital Volume Control Bass/Treble Boost Limiting Analog Filter Analog Filter HP_A HP_B AOUTA AOUTB RST LRCK SCLK/DEM1 SDATA ∆Σ DAC ∆Σ DAC External Mute Control Analog Volume Control MCLK Analog Volume Control VA_HP VA_LINE VA VL GND VQ_HP FILT+ REF_GND VQ_LINE CS43L42 Low Voltage, Stereo DAC with Headphone Amp Sep ‘04 DS481PP2 |
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