描述 Description

The CXA1946AQ/AR is a serial control electronic volume IC designed for use in audio systems.

特性 Features

? Loudness

? Volume control (0dB to –87dB in 1dB step, –∞dB)

? Balance

? Tone control (15 steps, 2 bands, –16dB to +16dB)

? Fader

(2dB-step to –20dB, –25dB, –35dB, –45dB, –60dB, –∞dB)

? Input selector (4 channels)

? Gain can be set for each input channel (common for channels 3 and 4)

? 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.