CXA1946BQ Overview
Description
The CXA1946BQ/BR is a serial control electronic volume IC designed for use in audio systems. 48 pin QFP (Plastic) 48 pin LQFP (Plastic).
Key Features
- Volume control (0dB to –87dB in 1dB step, –∞dB)
- Tone control (15 steps, 2 bands, –16dB to +16dB)
- Input selector (4 channels)
- Gain can be set for each input channel (common for channels 3 and
- Serial data control (DATA, CLK, CE)
- Single 8V power supply
- Zero-cross detection circuit (with timer)
- Power-off mute
- Volume control and tone control input/output pins are separate
- Portable phone noise countermeasure - Supply voltage
