深圳供应 PT2348 普诚4.1声道音频处理器
DESCRIPTION
The PT2348 is a 4.1CH audio processor designed forCar Audio purpose. Using I2C interface controls all ofthe functions. Like most of audio processors, it equipsup to 4 stereo sources input with adjustable gain,master volume with adaptive loudness, treble and basstone control.In a car entertainment system where needs front andrear seat individual control, the PT2348 providesseparate input source selection and output volumeadjustment; a special design, mixing amp, is very easyto combine the navigation system or cellular phone’svoice with the car audio system.
FEATURES
● Controlled by I2C Interface
● 4 Stereo Inputs (including 1 quasidifferential input) with selectable input gain
● 2 Channels Electronic Volume : +15 to -79dB with 1dB/step
● 1 Subwoofer Output: +15 to -79dB with 1dB/step
● Adjustable crossover frequency for Subwoofer
● Tone Control (Bass and Treble): -15 to +15dB, 1dB/step
● Input Gain Control: 0 to +15dB, 1dB/step
● Loudness: 0to -15dB, 1dB/step
● 4 independent speaker outputs: +15 to -79dB with 1dB/step & independent programmable mix input with 50% mixing ratio for front speakers
● Low Distortion and Low Noise
● 36-pin SSOP package
APPLICATIONS
● Car audio