CS42L51

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 Hardwar...