常备库存 PT12919 普诚3波段车载音频处理器
DESCRIPTION
The PT12919 is a 3 band audio signal processorspecially designed for car radio applications. Thedevice includes a high performance audio processorwith fully integrated audio filters. The digital controlallows programming in a wide range of filtercharacteristics.
FEATURES
● 4 stereo inputs (including 1 quasi-differentialinput) with selectable input gain
● Input Gain Control: 0 to +15dB, 1dB/step
● Car Audio System
● 2 channels electronic volume with soft step function: +15 to -79dB with 1dB/step
● Direct mute and soft mute
● 1 subwoofer output with soft step: +15 to -79dB with 1dB/step
● Adjustable crossover frequency for subwoofer
● Tone control (Bass、Middle and Treble): -15 to +15dB, 1dB/step
● Loudness: 0 to -15dB, 1dB/step
● 4 independent speaker outputs with soft step volume: +15 to -79dB with 1dB/step & independent programmable mix input with 50% mixing ratio for front speakers
● 7 band spectrum analyzer
● Controlled by I2C BUS Interface
● Low distortion and low noise
● 28-pin SOP package
APPLICATION
● Car audio system
