tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT2336 pre1.0 - 1 - august, 2005 18w2 class-d audio power amplifier preliminary PT2336 description the PT2336 is a power amplifier designed for t he audio equipments, maximum output power can reach up to 18watts x2 (pvh=15.5v, rl=6 ? ). utilizing class-d circuit developed by ptc exclusively with cmos technology. compare with traditi onal calss-ab ic, the PT2336 have high efficiency (>80%), low heat dissipation, and very good sound qualit y, it has very low harmonic distortion 0.03% (1w, 8 ? , 1khz) even superior to general class-ab amplifier ic. very few external components needed for the PT2336 are easy to use, and provide a flaw less self-protection function, miniaturization package; it is the best choice for audio amplifier. features ? high power cmos technology ? analog stereo input ? max. output power 18w (6 ? ) 2 @ thd=10% ? default 3 voltage gain for selection ? mute function ? pop noise free in mode changed and power on/off period ? built-in 5v regulator ? built-in short circuit protection ? built-in overheat protection ? built-in supply voltage detect protection circuit ? low harmonic distortion (0.03%), superior sound quality ? high efficiency (12 ? load>90%), low heat dissipation ? available in 48 pins, lqfp(thermal pad included) small outline package applications ? dvd receiver ? lcd tv ? mini compo ? car audio ? other audio applications
tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT2336 pre1.0 - 2 - august, 2005 18w2 class-d audio power amplifier preliminary PT2336 pin configuration 1 outrp outrp nc fa u lt mute gain1 gain2 pvhc inrp inrn nc nc nc nc inln inlp cgnd m1 m0 cte sd nc outlp outlp 2 3 4 5 6 7 8 9 10 10 11 12 13 48 14 47 15 46 16 45 17 44 18 43 19 42 20 41 21 40 22 39 23 38 24 37 25 26 27 28 29 30 31 32 33 34 35 36 crip pgnd cr op pgnd crin pvhr cron pvhr ag nd ou tr n cr ef outrn nc outln vcco outln clon pvhl clin pvh l clop pgnd clip pgnd PT2336
tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT2336 pre1.0 - 3 - august, 2005 18w2 class-d audio power amplifier preliminary PT2336 application circuit 1uf 1uf 180p 180p 0.1uf 4.7uf 180p 180p 1uf 1uf 0.1uf 0.47uf 1nf 2.2uf 470 470 470 470 vcco vcco vcco 1l 3g 2r 4g 0.1uf 0.1uf 10uf 10uf 0.47uf 0.47uf 0.47uf 0.47uf 0.47uf 0.47uf 22uh 22uh 22uh 22uh 4.7 4.7 1 2 1 2 l+ l- r+ r- 1 2 3 gain1 1 2 3 gain2 pvh pvh pvh pvh r_in l_in l_out r_out gain selection 100pf outrp 1 outrp 2 nc 3 fault 4 mute 5 gain1 6 gain2 7 pvhc 8 inrp 9 inrn 10 nc 11 nc 12 cri p 13 crop 14 cri n 15 cron 16 agnd 17 cref 18 nc 19 vcco 20 clon 21 cli n 22 clop 23 cli p 24 nc 25 nc 26 inln 27 inlp 28 cgnd 29 m1 30 m0 31 cte 32 sd 33 nc 34 outlp 35 outlp 36 pgnd 37 pgnd 38 pvhl 39 pvhl 40 outln 41 outln 42 outrn 43 outrn 44 pvhr 45 pvhr 46 pgnd 47 pgnd 48 PT2336 power down normal power down
tel: 886-2-66296288 fax: 886-2-29174598 url: http://www.princeton.com.tw PT2336 pre1.0 - 4 - august, 2005 18w2 class-d audio power amplifier preliminary PT2336 order information valid part number package type top code PT2336-lq 48 pins, lqfp PT2336-lq PT2336-lq (l) 48 pins, lqfp PT2336-lq notes: 1. (l), (c) or (s) = lead free. 2. the lead free mark is put in front of the date code.
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