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CS42L51

Cirrus Logic
Part Number CS42L51
Manufacturer Cirrus Logic
Description Stereo CODEC
Published Jul 17, 2010
Detailed Description CS42L51 Low-Power, Stereo Codec with Headphone Amp DIGITAL-TO-ANALOG FEATURES  98-dB dynamic range (A-weighted)  -86...
Datasheet PDF File CS42L51 PDF File

CS42L51
CS42L51

Overview
CS42L51 Low-Power, Stereo Codec with Headphone Amp DIGITAL-TO-ANALOG FEATURES  98-dB dynamic range (A-weighted)  -86-dB THD+N  Headphone amplifier - GND centered – On-chip charge pump provides –VA_HP – No DC-blocking capacitor required – 46-mW power into stereo 16  @ 1.
8 V – 88-mW power into stereo 16  @ 2.
5 V – -75 dB THD+N  Digital signal processing engine – Bass & treble tone control, de-emphasis – PCM + ADC mix with independent volume control – Master digital volume control – Soft ramp & zero-cross transitions  Beep generator – Tone selections across two octaves – Separate volume control – Programmable on & off time intervals – Continuous, periodic or one-shot beep selections  Programmable peak-detect and limiter  Pop and click suppression ANALOG-TO-DIGITAL FEATURES  98-dB dynamic range (A-weighted)  -88-dB THD+N  Analog gain controls – +32-dB or +16-dB mic preamplifiers – Analog programmable gain amplifier (PGA)  +20-dB digital boost  Programmable automatic level control (ALC) – Noise gate for noise suppression – Programmable threshold and attack/release rates  Independent channel control  Digital volume control  High-pass filter disable for DC measurements  Stereo 3:1 analog input MUX  Dual mic inputs – Programmable, low noise mic bias levels – Differential mic mix for common mode noise rejection  Very low 64 Fs oversampling clock reduces power consumption 1.
8 V to 3.
3 V 1.
8 V to 2.
5 V 1.
8 V to 2.
5 V 1.
8 V to 2.
5 V Serial Audio  Input Hardware Mode  or I2C & SPI  Software Mode Control Data Reset Serial Audio  Output Level Translator PCM Serial Interface Beep  Generator High Pass  Filters Register  Configuration Digital  Signal  Processing Engine MUX Switched  Capacitor DAC  Multibit and Filter Modulator Switched  Capacitor DAC  MUX and Filter ALC Multibit Oversampling  MUX PGA Volume  ADC Controls Multibit Oversampling  MUX PGA ADC ALC Headphone Amp ‐ GND  Centered Headphone Amp ‐ GND  Centered Charge  Pump ...


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