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CS42L52-CNZ Folha de dados(PDF) 1 Page - Cirrus Logic |
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CS42L52-CNZ Folha de dados(HTML) 1 Page - Cirrus Logic |
1 / 82 page Copyright © Cirrus Logic, Inc. 2008 (All Rights Reserved) http://www.cirrus.com MAY '08 DS680F1 Low-power, Stereo CODEC w/ Headphone & Speaker Amps Stereo CODEC High Performance Stereo ADC & DAC – 99 dB (ADC), 98 dB (DAC) Dyn. Range (A-wtd) – -88 dB THD+N Flexible Stereo Analog Input Architecture – 4:1 Analog Input MUX – Analog Input Mixing – Analog Passthrough with Volume Control – Analog Programmable Gain Amplifier (PGA) Programmable Automatic Level Control (ALC) – Noise Gate for Noise Suppression – Programmable Threshold & Attack/Release Rates Dual MIC Inputs – Differential or Single-ended – +16 dB to +32 dB w/ 1dB step MIC Pre- Amplifiers – Programmable, Low-noise MIC Bias Levels Digital Signal Processing Engine – Bass & Treble Tone Control, De-emphasis – Master Vol. and Independent PCM SDIN + ADC SDOUT Mix Volume Control – Soft-ramp & Zero-Cross Transitions – Programmable Peak-detect and Limiter – Beep Generator w/Full Tone Control Class D Stereo/Mono Speaker Amplifier No External Filter Required High-power Stereo Output at 10% THD+N – 2 x 1.00 W into 8 Ω @ 5.0 V – 2 x 550 mW into 8 Ω @ 3.7 V – 2 x 230 mW into 8 Ω @ 2.5 V High-power Mono Output at 10% THD+N – 1 x 1.90 W into 4 Ω @ 5.0 V – 1 x 1.00 W into 4 Ω @ 3.7 V – 1 x 350 mW into 4 Ω @ 2.5 V Direct Battery-powered Operation – Battery Level Monitoring & Compensation 81% Efficiency at 800 mW Phase-aligned PWM Output Reduces Idle Channel Current Spread Spectrum Modulation Low Quiescent Current Stereo Headphone Amplifier Ground-centered Outputs – No DC-Blocking Capacitors Required – Integrated Negative Voltage Regulator High-power Output at -75 dB THD+N – 2 x 23 mW Into 16 Ω @ 1.8 V – 2 x 44 mW Into 16 Ω @ 2.5 V (Features continued on page 2) Serial Audio Input/Output I 2C Control +1.65 V to +3.47 V Interface Supply Control Port Serial Audio Port Level Shifter Multi-bit ∆Σ ADC Beep +1.65 V to +2.63 V Analog Supply Multi-bit ∆Σ ADC ALC Left HP/Line Output Ground-Centered Amps Mono mix, Limiter, Bass, Treble Adjust Volume, Mono Swap, Mix Right HP/Line Output Left Inputs Right Inputs +1.65 V to +2.63 V Headphone Supply Speaker/HP Switch +1.60 V to +5.25 V Battery Charge Pump +VHP -VHP +1.65 V to +2.63 V Digital Supply +1.65 V to +2.63 V Analog Supply Pulse-Width Modulator (PWM) Stereo/Mono Full-Bridge Speaker Outputs Battery Level Monitoring & Compensation Multi-bit ∆Σ DAC MIC Bias HPF Selectable Bias Voltage Σ Σ ALC Summing Programmable Gain Amps +16 to +32 dB Diff./ S.E. MIC Pre-Amps Class D Amps 1 2 3 4 1 2 3 4 + - + - Reset CS42L52 DRAFTv1 5/13/08 |
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