PT2352 [PTC]
SATELLITE SUBWOOFER 3-SPEAKER SYSTEM ELECTRONIC CROSSOVER IC; 卫星SUBWOOFER 3扬声器系统电子分频IC
| 型号： | PT2352 |
| 厂家： | 
PRINCETON TECHNOLOGY CORP |
| 描述： | SATELLITE SUBWOOFER 3-SPEAKER SYSTEM ELECTRONIC CROSSOVER IC |
| 文件： | 总4页 (文件大小：74K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
Satellite + Subwoofer 3-Speaker System Electronic Crossover IC
Preliminary PT2352
DESCRIPTION
PT2352 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. PT2352 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 -68dB
• 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
PT2352 pre 1.0
1
Updated January 2001
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
Satellite + Subwoofer 3-Speaker System Electronic Crossover IC
Preliminary PT2352
PIN CONFIGURATION
3D_LED
VDD
ROUT
RIN
RT
CR1
CR2
CR3
C2
REF
C1N
C1P
SOUT
PO
PT2352
PT2352 pre 1.0
2
Updated January 2001
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
Satellite + Subwoofer 3-Speaker System Electronic Crossover IC
Preliminary PT2352
APPLICATION CIRCUIT
V
DD
9V
3D LED
3D
V
9V
DD
3D_LED
VDD
ROUT
RIN
10uf
10uf
10uf
10uf
+
+
100uf
LOUT
100k
ROUT
100k
RIN
LIN
2.2k
RT
8200p
8200p
2.2k
220
CR1
CR2
CR3
C2
REF
C1N
C1P
0.33u
220
0.33u
REF
C
C
C
C
REF
SUP
C2
SDW
MUP
MDW
REF
100uf
C1
33k
10uf
OSC
SOUT
+
2.2uf
SOUT
PO
100k
(See Note 2)
Power
(See Note 2)
PT2352
Notes: 1. Please refer to the PT2352 Crossover Frequency Response Curve for the values of C, C1, C2.
2. Please refer to Power Control (PO) Section of this document.
PT2352 pre 1.0
3
Updated January 2001
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
Princeton Technology Corp.
Satellite + Subwoofer 3-Speaker System Electronic Crossover IC
Preliminary PT2352
ORDER INFORMATION
Valid Part Number
PT2352
Package Type
28 Pins, DIP Package (600 mil)
28 Pins, SO Package (300 mil)
PT2352-S
PT2352 pre 1.0
4
Updated January 2001
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