CS43L21
CS43L21 is Stereo Digital to Analog Converter manufactured by Cirrus Logic.
Low-Power, Stereo Digital-to-Analog Converter
Features
98 d B dynamic range (A-weighted) -86 d B THD+N Headphone amplifier- GND centered
- On-chip charge pump provides -VA_HP
- No DC-blocking capacitor required
- 46 m W power into stereo 16 @ 1.8 V
- 88 m W power into stereo 16 @ 2.5 V
- -75 d B THD+N
Digital signal processing engine
- Bass and treble tone control, de-emphasis
- PCM mix with independent volume control
- Master digital volume control and limiter
- Soft-ramp and zero-cross transitions
Beep generator
- Tone selections across two octaves
- Separate volume control
- Programmable On and Off time intervals
- Continuous, periodic, or one-shot beep selections
Programmable peak-detect and limiter Pop and click suppression
SYSTEM Features
24-bit Conversion 4- to 96-k Hz sample rate Multibit delta- sigma architecture
Low power operation
- Stereo playback: 12.93 m W @ 1.8 V
Variable power supplies
- 1.8- to 2.5-V digital and analog
- 1.8- to 3.3-V interface logic
Power-down management
Software Mode (I²C™ and SPI™ control)
Hardware mode (standalone control) Digital routing/mixes:
- Mono...