PT2398 Princeton Technology Corp., PT2398 Datasheet

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PT2398

Manufacturer Part Number
PT2398
Description
Echo-Surround Processor
Manufacturer
Princeton Technology Corp.
Datasheet
Tel : 886-2-29162151
Princeton Technology Corp.
Fax : 886-2-29174598
URL: http://www.princeton.com.tw
Echo/Surround Processor
PT2398
Description
PT2398 is an echo/surround audio processor IC utilizing CMOS Technology and is
functionally compatible with ES56028. Equipped with ADC and DAC, it uses digital
processing to generate the delay time, which in turn, can be controlled manually or by a micro
controller. PT2398 also features an internal VCO circuit in the system clock, thereby, making
the frequency easily adjustable. The pin assignments and application circuit are optimized for
easy PCB layout and cost saving advantage.
Features
r CMOS Technology
r Least External Components
r Auto Muting Function
r Auto Reset Function
r Low Noise
r Low Distortion
r Wide Range Time Delay Settings
r Can be Controlled Manually or by Micro Controller
r External Adjustable VCO
r Very Low Operating Current (Typ. 30 mA)
Applications
r Video Tape Recorder
r Video Compact Disk
r Television
r CD Player
r Car Stereo
r KARAOKE Mixer
r Electronic Musical Instrument
r Audio Equipment with Echo/Surround Processor
PT2398 v1.3
Page 1
Written March 1998

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PT2398 Summary of contents

Page 1

... ES56028. Equipped with ADC and DAC, it uses digital processing to generate the delay time, which in turn, can be controlled manually micro controller. PT2398 also features an internal VCO circuit in the system clock, thereby, making the frequency easily adjustable. The pin assignments and application circuit are optimized for easy PCB layout and cost saving advantage ...

Page 2

... Princeton Technology Corp. Echo/Surround Processor Block Diagram Pin Configuration PT2398 v1.3 URL: http://www.princeton.com.tw Page 2 Tel : 886-2-29162151 Fax : 886-2-29174598 PT2398 Written March 1998 ...

Page 3

... Princeton Technology Corp. Echo/Surround Processor PT2398 Echo Application Circuit Note: External Resistor having a value Ohms Ohms may be used. The recommended Resistor Value ( Ohms. When the value of the Resistor ( R ) increases, the range of the Delay Time also increases. PT2398 v1.3 URL: http://www ...

Page 4

... Princeton Technology Corp. Echo/Surround Processor PT2398 Application Circuit (ERSO-compatible) Note: The performance of PT2398 in this application circuit is similar to ES56033 PT2398 v1.3 URL: http://www.princeton.com.tw Page 8 Tel : 886-2-29162151 Fax : 886-2-29174598 PT2398 Written March 1998 ...

Page 5

... Princeton Technology Corp. Echo/Surround Processor PT2398 Surround Application Circuit +5V 100uF 47uF 0.1uF 20K +5V 0.1uF 100uF +5V Note: External Resistor having a value Ohms Ohms may be used. The recommended Resistor Value ( Ohms. When the value of the Resistor ( R ) increases, the range of the Delay Time also increases. ...

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