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| Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 5-Mode Preset Equalizer IC with Bass Booster & 3D Effect PT2389 DESCRIPTION PT2389 is a 2-channel digital preset equalizer utilizing CMOS Technology. It provides 5 different sound selections, namely: Flat/Normal, Rock, Pops, Classic and Jazz. Bass Booster and 3D Effects may be added to any of 5 sound selections, thereby creating more audio versatility. PT2389 provides two types of key selection mode, namely: the Direct and the Cyclic. Pin assignment and application circuit are optimized for cost saving advantages and easy PCB layout. FEATURES n CMOS Technology n Low Total Harmonic Distortion and High S/N Ratio: THD + N < 0.01%, S/N > 95 dB n LED Display Output Mode n Least External Components n 5 Sound Selections Provided: Flat/Normal, Classic, Rock, Pops, and Jazz n Bass Booster Function & 3D Effect Provided n 2-Channel Output n Wide Operating Voltage Range: 5 ~ 9 V n Direct or Cyclic Key Selection is Provided n Available in DIP or SO Package APPLICATIONS nWalkman nCar Audio nMini Compo nMultimedia Audio Components nMPEG Card PT2389 v1.2 1 Updated July 1999 Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 5-Mode Preset Equalizer IC with Bass Booster & 3D Effect PT2389 PIN CONFIGURATION IN L B L1 B L2 TL OUTL VCC B IAS GND S EL M U TE CYC BB 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 IN R BR1 BR2 TR OUTR JA ZZ C LA SSIC POPS ROCK FLAT B LED 3D P T2389 ORDER INFORMATION V lid Part N umber a PT2389 PT2389- S PT2389- SN Package 24 Pins, DIP (300 mil) 24 Pins, SO (300 mil) 24 Pins, SO (150 mil) PT2389 v1.2 2 Updated July 1999 Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 5-Mode Preset Equalizer IC with Bass Booster & 3D Effect PT2389 APPLICATION CIRCUIT Direct Key Mode 1u IN_ L 0.06 8u 5.6K O U T_ L 10 K 0.1u 0.1u 0.1u + 1u Vcc + 10 0u + 47 u 15 00 p 15 00 p J azz Cla ssic P o ps R ock F la t BB P T 2389 LE D 0.1 u Note: Please use 0.068uF , 1500pF Mylar Capacitors. PT2389 v1.2 3 + IN R IN L BL1 BR1 BL2 BR2 TL TR OUTL OUTR VCC J AZ Z B IA S C LA S S IC GND POPS SEL ROCK MUTE F LAT CYC BLED 3D BB 0.06 8u 15 00 p 15 00 p 5.6K 1u 10 K 4.7K O U T_ R + + 1u IN_ R Vcc 3D 470 Updated July 1999 Princeton Technology Corp. Tel : 886-2-29162151 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 5-Mode Preset Equalizer IC with Bass Booster & 3D Effect PT2389 APPLICATION CIRCUIT Cyclic Key Mode 1u IN _ L 0 .0 6 8u 5 .6 K O U T _L 1 0K 0 .1 u 0 .1 u 0 .1 u V cc CYC 4 .7 K BB 1u + V cc + 1 00 u + 4 7u 1 50 0 p 1 50 0 p P T 23 89 3D LED Note: Please use 0.068uF, 1500pF Mylar Capacitors. PT2389 v1.2 4 + IN L IN R BL1 BR1 BL2 BR2 TL TR O U TL O U TR VCC JA Z Z B IA S C L A S S IC GND POPS SEL ROCK M U TE FL AT CYC BLED BB 3D 0 .0 6 8u 1 50 0 p 5 .6 K 1 50 0 p O U T _R 1 0K + + 1u IN _ R 1u Updated July 1999 |
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