PT2353H

www.DataSheet4U.com Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Satellite + Subwoofer 3-Speaker System Electronics Crossover IC PT2353H DESCRIPTION PT2353H is a 3-speaker system electronic crossover IC utilizing CMOS Technology specially designed for the new generation of audio equipments. 3-channel electronic volume control, 2-channel 2nd order high pass filter, 2nd order low pass filter and one mono subwoofer audio output are incorporated into a single high performance chips. PT2353H combines the electronic volume controller and crossover circuitry without MCU handling. Pin assignments and application circuit are optimized for easy PCB layout and cost saving advantages. FEATURES CMOS Technology Low Power Consumption 2 Built-in Individual Volume Control: 0 dB to -60dB 2-Channel 2nd Order High Pass Filter + 1 Mixed Mono Subwoofer Low Pass Filter Cross-Over Frequency adjustable by external passive components Control Interface of Volume Control: UP/DOWN Key (MCU is not necessary) Built-in 3D Effect and Loudness Function Supply Voltage: 5V to 9V APPLICATION Audio Equipments PT2353H v1.0 -1- November, 2003 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Satellite + Subwoofer 3-Speaker System Electronics Crossover IC PT2353H BLOCK DIAGRAM LIN Main Volume REF HPF 3D Effect Circuit HPF LOUT ROUT RIN Main Volume REF VDD REF VSS REF + + + LPF Subwoofer Volume + REF SOUT Control Unit 3D...