器件名称: PT2353
功能描述: Satellite + Subwoofer 3-Speaker System Electronics Crossover IC
文件大小: 82.53KB 共5页
简 介:Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw
Satellite + Subwoofer 3-Speaker System Electronics Crossover IC
PT2353
DESCRIPTION
PT2353 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. PT2353 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
PT2353 v1.1
-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
PT2353
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 MUP SUP SDW 3D PK PO
PT2353 v1.1……
