PT2389

Tel: 886-2-66296288 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 z CMOS technology z Low total harmonic distortion and high S/N Ratio: THD + N < 0.01%, S/N > 95dB z LED display output mode z Least external components z 5 sound selections provided: Flat/Normal, Classic, Rock, Pops, and Jazz z Bass booster function & 3D effect provided z 2-channel output z Wide operating voltage range: 5 ~ 9V z Direct or cyclic key selection is provided z Available in 24 Pins, DIP, SOP, SSOP APPLICATIONS z Walkman z Car audio z Mini compo z Multimedia audio components z MPEG card PT2389 V1.5 -1- July, 2006 Tel: 886-2-66296288 Fax: 886-2-29174598 URL: http://www.princeton.com.tw 5-Mode Preset Equalizer IC with Bass Booster & 3D Effect PT2389 BLOCK DIAGRAM INL BL1 BL2 Buffer Bass Treble GAIN SELECTOR INR BR1 BR2 VCC GND 3D Buffer Bass SELECT UNIT CONTROL UNIT Treble 3D SOUND OUTL TL OUTR TR Mute BLED Flat Rock Pops Classic J...