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CS42L52 Datasheet Stereo CODEC

Manufacturer: Cirrus Logic

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Overview

DRAFTv1 3/1/13 CS42L52 Low-Power, Stereo CODEC with Headphone and Speaker Amps Stereo CODEC  High Performance Stereo ADC and 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 and Attack/Release Rates  Dual MIC Inputs – Differential or Single-ended – +16 dB to +32 dB with 1-dB step Mic Pre- Amplifiers – Programmable, Low-noise MIC Bias Levels  Digital Signal Processing Engine – Bass and Treble Tone Control, De-emphasis – Master Vol.

and Independent PCM SDIN + ADC SDOUT Mix Volume Control – Soft-Ramp and 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  @ 5.0 V – 2 x 550 mW into 8  @ 3.7 V – 2 x 230 mW into 8  @ 2.5 V  High-power Mono Output at 10% THD+N – 1 x 1.90 W into 4  @ 5.0 V – 1 x 1.00 W into 4  @ 3.7 V – 1 x 350 mW into 4  @ 2.5 V  Direct Battery-powered Operation – Battery Level Monitoring and 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  @ 1.8 V – 2 x 44 mW Into 16  @ 2.

Key Features

  • continued on page 2) Left Inputs Right Inputs 1 2 3 4 1 2 3 4 +1.65 V to +2.63 V Analog Supply Summing Programmable Gain Amps  Multi-bit  ADC  +16 to +32 dB Diff. / S. E. MIC Pre-Amps MIC Bias +1.65 V to +2.63 V Digital Supply +1.60 V to +5.25 V Battery Battery Level Monitoring & Compensation Pulse-Width Modulator ALC (PWM) Beep Volume, Mono Swap, Mix Mono mix, Limiter, Bass, Treble Adjust HPF ALC Multi-bit  DAC Control Port Serial Audio Port Level Shifter + Stereo/Mono - Full.

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