PT2313E

DESCRIPTION The PT2313E is an audio processor designed for versatile application, includes 3 stereo input selector with adjustable gain, master volume control with low frequency loudness compensation, individual output attenuator and tone control. It is a good solution for the car audio signal processing. Due to the high reliability requirement from the car audio business, the PT2313E improves both audio performances and input surge current capability, these causes the PT2313E is the best solution for the cost-effective car audio systems. APPLICATIONS Car Audio Home Audio System Powered Speaker System APPLICATION CIRCUIT PT2313E Stereo Audio Processor for Car Audio FEATURES 3 stereo inputs with gain selection, range from 0dB to +11.25dB in 3.75dB/step Master volume from 0 dB to -78.75dB in 1.25dB/step Speaker attenuator for balance and fader, range from 0dB to -38.75dB in 1.25dB/step Each channel output can be muted individually. Low frequency loudness compensation Bass and Treble control, range from -14dB to +14dB in 2dB/step Wide operation range (VDD=4V to 10V) Improved and replace PT2313L VDD Input Surge P rotection L AUDIO 3 2.2K 2.2uF R 2.2K 2.2uF L AUDIO 2 2.2K 2.2uF R 2.2K 2.2uF L AUDIO 1 2.2K 2.2uF R 2.2K 2.2uF 22uF PT2313E 1 REF SCL 28 2 VDD SDA 27 MCU 3 AGND DGND 26 4 TREB_L 2.7n 5 TREB_R 2.7n 6 RIN 2.2uF 7 ROUT 8 LOUD_R 100n 9 RIN3 10 RIN2 11 RIN1 12 LOUD_L 100n 13 LIN3 LFOUT 25 RFOUT 24 LROUT 23 RROUT 22 BOUT_R 21 BIN...