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Tel : 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw

6-Channel Audio Processor IC DESCRIPTION

PT2322

PT2322 is a 6-Channel Audio Processor IC utilizing CMOS Technology specially designed for audio applications. 6-channel individual input, 6-channel master volume control, 6-channel individual volume trim control, 3-band tone control (treble, middle, and bass), mute function, 3D effect function, tone defeat function are all built into a single chip having the highest performance and reliability with the least components. Furthermore, the pin assignments and application circuit are optimized for easy PCB Layout and cost saving benefits. Housed in 28 pins, DIP or SO Package, PT2322 is the ultimate answer to your every audio system needs.

FEATURES
· · · · · · · · · · · · · · · Very Low Power Consumption (DC=9V) I2 C Bus Control 6-Channel Individual Input 6-Channel Master Volume Control: 0 to -79 dB (1 dB/step) 6-Channel Individual Output TRIM Volume Control: 0 to -15 dB (1dB/step) 3-Band Tone Control (Treble, Middle, Bass): + 14dB , 2dB/step Mute Function 3D Effect Function Tone Defeat Function Low Noise High Channel Separation Low Harmonic Distortion Least External Components Easy to Use Available in 28-pin, DIP or SO Package

APPLICATIONS
· · · · · Audio/Video System Multi-Media Speakers TV System PC Audio AC3 Amplifier System

PT2322 v1.0

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November 2002

APPLICATION CIRCUIT

6-Channel Audio Processor IC

PT2322 v1.0
V C C C 23 22u F T O M R C N RO LE IC O O T L R R4 1 3 K .3 I2C D T AA I2CC O K L C C4 C7 C 1 1 18 C 1 C 2 22 2 0p0.0 0 u 0.1 0.1u 20 1u .01 u D N GD C 7 3 IC P 2 2 1 T 32 1 F R 0u 7 10 0K C 8 1 2 F O TR R N UA 2 F O TL R N R 16 6 .2K 1 F R 0u 8 10 0K C 9 6 1 F R 0u 9 10 0K C 10 4 5 S B O FR U W OE UB 2 C NE E TR Cr ef 10u F 1 2 3 4 5 6 7 8 9 1 0 1 1 1 2 1 3 1 4 R M 2 R B S _F C ID CA 1 R R M 1 R B S _F C ID CA 2 R CR_R TEF GD N IN F _R S A D IN S _ R S L C IN S B _ U OT R U _F V E RF OT R U _S GD N O TS B U_ U IN C _ T V C C IN S _ L OT T U _C IN F _L OT L U _S CR_L TEF OT L U _F R M 1_ R B S _F C ID FLC A 2 L R M 2_ R B S _F C ID FLC A 1 L 2 8 2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 1 9 1 8 1 7 1 6 1 5 1 F R 0u 10 10 0K C 11 9 1 F R1 0u 1 10 0K C 12 7 8 1 F R 0u 12 10 0K C3 C5 C 1 1 16 C 9 C 1 20 2 0p0.0 0 u 0.1 0.1u 20 1u .01 u S RO N R U R U D UC 2 S RO N L U R U D R3 1 3 K .3 R 15 6 .2K

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U 1A F O TL R N 3

C 1

1

F O TR R N

2

R 10 1 uF 1 00K C 2

U 1B CNE E T R 6

R 10 2 uF 1 00K C 3

4

S B O FR U W OE

5

R 10 3 uF 1 00K C 4

U 1C S RO N L U R U D 9

R 10 4 uF 1 00K C 5

7

S RO N R U R U D

8

R 10 5 uF 1 00K C 6

R 10 J 74

R 10 6 uF 1 00K

PT2322

Tel : 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw

November 2002

Tel : 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw

6-Channel Audio Processor IC ORDER INFORMATION
O rder Part Number PT2322 PT2322-S Package Type 28 Pins, DIP Package (600 mil) 28 Pins, SO Package (330 mil)

PT2322

Top Code PT2322 PT2322-S

PT2322 v1.0

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November 2002

This datasheet has been downloaded from: www.DatasheetCatalog.com Datasheets for electronic components.