princeton technology corp. 5-mode preset equalizer ic with bass booster & 3d effect pt2389 tel : 886-2-29162151 fax: 886-2-29174598 url: http://www.princeton.com.tw pt2389 v1.2 1 updated july 1999 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 n walkman n car audio n mini compo n multimedia audio components n mpeg card
princeton technology corp. 5-mode preset equalizer ic with bass booster & 3d effect pt2389 tel : 886-2-29162151 fax: 886-2-29174598 url: http://www.princeton.com.tw pt2389 v1.2 2 updated july 1999 pin configuration 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 l bl1 bl2 tl outl vcc bias gnd sel mute cyc bb in r br1 br2 tr outr jazz classic pops rock flat bled 3d pt2389 order information r e b m u n t r a p d i l a ve g a k c a p 9 8 3 2 t p) l i m 0 0 3 ( p i d , s n i p 4 2 s - 9 8 3 2 t p) l i m 0 0 3 ( o s , s n i p 4 2 n s - 9 8 3 2 t p) l i m 0 5 1 ( o s , s n i p 4 2
princeton technology corp. 5-mode preset equalizer ic with bass booster & 3d effect pt2389 tel : 886-2-29162151 fax: 886-2-29174598 url: http://www.princeton.com.tw pt2389 v1.2 3 updated july 1999 application circuit direct key mode note: please use 0.068uf , 1500pf mylar capacitors. inl bl1 bl2 tl outl vcc bias gnd sel mute cyc bb inr br1 br2 tr outr jazz classic pops rock flat bled 3d + + + + 1u in_l 0.068u 1500p 1500p 5.6k 1u out_l 10k 0.1u 0.1u 0.1u + + 47u 100u vcc bb jazz classic pops rock flat led 1u in_r 0.068u 1500p 1500p 1u 5.6k 10k out_r 4.7k vcc pt2389 3d 470 0.1u
princeton technology corp. 5-mode preset equalizer ic with bass booster & 3d effect pt2389 tel : 886-2-29162151 fax: 886-2-29174598 url: http://www.princeton.com.tw pt2389 v1.2 4 updated july 1999 application circuit cyclic key mode note: please use 0.068uf, 1500pf mylar capacitors. inl bl1 bl2 tl outl vcc bias gnd sel mute cyc bb inr br1 br2 tr outr jazz classic pops rock flat bled 3d + + + + 1u in _l 0.068u 1500p 1500p 5.6k 1u out_l 10k 0.1u vcc 4.7k 0.1u 0.1u + + 47u 100u vcc bb 3d cyc led 1u in _r 0.068u 1500p 1500p 1u 5.6k 10k out_r pt2389
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