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CS42L55 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS42L55 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 73 page  Copyright © Cirrus Logic, Inc. 2007 (All Rights Reserved) http://www.cirrus.com NOVEMBER '07 DS773F1 Ultra Low Power, Stereo CODEC w/Class H Headphone Amp DIGITAL to ANALOG FEATURES 5 mW Stereo Playback Power Consumption 99 dB Dynamic Range (A-wtd) -86 dB THD+N Digital Signal Processing Engine – Bass & Treble Tone Control, De-Emphasis – Master Volume Control (+12 to -102 dB in 0.5 dB steps) – Soft-Ramp & Zero-Cross Transitions – Programmable Peak-Detect and Limiter – Beep Generator w/Full Tone Control Stereo Headphone and Line Amplifiers Step-Down/Inverting Charge Pump Class H Amplifier - Automatic Supply Adj. – High Efficiency – Low EMI Pseudo-Differential Ground-Centered Outputs High HP Power Output at -75 dB THD+N – 2 x 20 mW Into 32 Ω @1.8 V – 2 x 20 mW Into 16 Ω @1.8 V 1 VRMS Line Output @1.8 V Analog Vol. Ctl. (+12 to -55 dB in 1 dB steps) Analog In to Analog Out Passthrough Pop and Click Suppression ANALOG to DIGITAL FEATURES 3.5 mW Stereo Record Power Consumption 95 dB Dynamic Range (A-wtd) -87 dB THD+N 2:1 Stereo Input MUX Analog Programmable Gain Amplifier (PGA) (+12 to -6 dB in 0.5 dB steps) +20 dB Boost Programmable Automatic Level Control (ALC) – Noise Gate for Noise Suppression – Programmable Threshold & Attack/Release Rates Independent ADC Channel Control Digital Vol. Ctl. (0 to -96 dB in 1 dB steps) High-Pass Filter Disable for DC Measurements Pseudo Differential Inputs SYSTEM FEATURES 12 MHz USB Master Clock Input Low Power Operation – Stereo Anlg. Passthrough: 3.3 mW @1.8 V – Stereo Rec. and Playback: 8.3 mW @1.8 V Headphone Detect Input (SYSTEM FEATURES continued on page 2) I²S Serial Audio Input/Output I 2C Control HPF +1.65 V to +3.47 V Interface Supply Control Port Serial Audio Port Level Shifter Multi-bit ΔΣ ADC Beep +1.65 V to +2.71 V Analog/Digital Supply Multi-bit ΔΣ ADC ALC ALC Left HP Output Left 1 Pseudo Diff. Input Multi-bit ΔΣ DAC LDO Regulator Ground-Centered Amplifiers Inverting Mono mix, Limiter, Bass, Treble Adjust Step-Down Attenuator, Boost, Mix +VHP -VHP Right HP Output Left Line Output Right Line Output Left 2 Right 1 Right 2 Pseudo Diff. Input Pseudo Diff. Input Pseudo Diff. Input +1.65 V to +2.71 V Charge Pump Supply Headphone Detect CS42L55 |
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Similar Description - CS42L55 |
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