princeton technology corp. tel : 886-2-29162151 fax: 886-2-29174598 url: http://www.princeton.com.tw headphone driver pt2308l pt2308l v1.0 1 updated oct. 1999 description pt2308l is a class ab stereo headphone driver chip utilizing cmos technology specially designed for portable digital audio applications. it is housed in an 8-pin dip or so package and is functionally compatible with tda1308. pin assignments and application circuit are optimized for lower cost effec- tiveness and easy pcb layout features ? cmos technology ? low power consumption ? wide temperature range ? excellent power supply ripple rejection ? high signal-to-noise ratio, s/n=110db ? low harmonic distortion, thd= 0.001% ? large output voltage swing ? low supply voltage available (vdd=2v) applications ? portable digital audio ? hi-fi audio system ? walkman ? cd-rom
princeton technology corp. tel : 886-2-29162151 fax: 886-2-29174598 url: http://www.princeton.com.tw headphone driver pt2308l pt2308l v1.0 2 updated oct. 1999 pin configuration pt2308l application circuits pt2308l application circuit (single power supply) - - + + + + + + + 3.9k 3.9k 3.9k 3.9k 10uf 10uf 2 3 5 6 v in 1 v in 2 v ref pt2308l 1 8 7 4 100uf v dd v out1 r l 10k 100uf 100uf v out2 r l 10k
princeton technology corp. tel : 886-2-29162151 fax: 886-2-29174598 url: http://www.princeton.com.tw headphone driver pt2308l pt2308l v1.0 3 updated oct. 1999 pt2308l application circuit (dual power supply) _ _ + + 3.9k 3.9k 2 6 3 5 1 7 + + 100f 100f vo ut1 vo ut2 10k 8 v dd+ vss- + + 100f 10k 4 100f 3.9k 3.9k order information r e b m u n t r a p d i l a ve g a k c a p l 8 0 3 2 t p) l i m 0 0 3 ( p i d , s n i p 8 s - l 8 0 3 2 t p) l i m 0 5 1 ( o s , s n i p 8
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