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 V1.1 -1- November, 2005 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Satellite + Subwoofer 3-Speaker System Electronics Crossover IC PT2353H PIN CONFIGURATION PT2353H V1.1 /3D 1 28 3D_LED VSS 2 27 VDD LOUT 3 26 LIN 4 25 ROUT RIN LT 5 24 RT CL1 6 23 CR1 CL2 7 22 CR2 CL3 8 21 CR3 /SUP 9 20 C2 /SDW 10 19 REF /MUP 11 18 C1N /MDW 12 17 C1P OSC 13 16 SOUT /PK 14 15 PO P T2 3 5 3H -2- November, 2005 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Satellite + Subwoofer 3-Speaker System Electronics Crossover IC PT2353H APPLICATION CIRCUIT VDD 9V VDD 9V 3D LED 3D L OUT 100K 1 /3D 2 VSS 3 LOUT 3D_LED 28 VDD 27 ROUT 26 10uF VDD 9V 10uF L IN 100K ** 1K ** BAV99 LIN RIN 25 5 LT RT 24 6 220 u33 CR1 CL1 C 7 REF R OUT 100K 10uF 4 2K2 8n2 100uF CR2 CL2 VDD 9V ** 1K 2K2 ** BAV99 23 220 22 C R IN 10uF 100K u33 C REF C 8 CL3 /SUP 9 /SUP /SDW 10 /SDW PT2353H CR3 21 C2 20 REF 19 REF C2 100uF /MUP 11 /MUP C1N 18 /MDW 12 /MDW C1P 17 C1 SOUT 16 10uF 33K 8n2 13 OSC S OUT 100K 2u2 14 PO /PK 15 Power Key * Notes: 1. Please refer to the PT2353H Crossover Frequency Response Curve for the values of C, C1, and C2. 2. Please refer to Power Control (PO) Section of this document. 3. ** For input port high voltage pulse protection. PT2353H V1.1 -3- November, 2005 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw Satellite + Subwoofer 3-Speaker System Electronics Crossover IC PT2353H ORDER INFORMATION Valid Part Number PT2353H PT2353H-S PT2353H (L) PT2353H-S (L) Package Type 28 Pins, DIP, 600mil 28 Pins, SOP, 300mil 28 Pins, DIP, 600mil 28 Pins, SOP, 300mil Top Code PT2353H PT2353H-S PT2353H PT2353H-S Notes: 1. (L), (C) or (S) = Lead Free. 2. The Lead Free mark is put in front of the date code. PT2353H V1.1 -4- November, 2005