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  ...

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