shaoxing silicore technology co.,ltd www . silicore. com . cn chmc 1/4 stereo audio amplifier tea2025 description outline drawing unit:m m the d2025 is a m onolithic int e grated audi o a m plifier in a 16-pin plasti c dual i n line pac k a g e. it is d e signe d for porta ble cassette play ers and radios. fea t ure w o rking v o ltage down to 3v few external com ponents high channel isolation v o ltage gain up to 45db(adjustable with external resistor) s o f t c l i p p i n g internal therm a l protection b l o c k d i a g r a m p i n c o n n e c t i o n 1 2 3 4 5 6 7 9 10 11 12 13 14 15 16 8 bri dge ou t - 2 boot -2 gnd gnd feedback-2 in -2(+ ) svr gnd( su b ) in -1(+ ) feedb ack-1 gnd gnd boot -1 ou t - 1 vc c tea2025 thermal protect start ci rcui t 50 _ + 50 _ + decoupli ng 10k 10k 5k 50 1 16 2 3 4 5 6 7 8 9 10 11 12 13 14 15 tiger electronic co.,ltd
silicore 2025 shaoxing silicore technology co.,ltd www. silicore. com. cn chmc 2/4 absolute maximum ratings (ta=25 c) characteristic symbol value unit supply voltage vcc 16.5 v output peak current io 1.5 a iunction temperature tj 150 c storage temperature tstg -40~150 c electrical characteristics (unless otherwise specified: ta=25 c, vcc=9v; dual mode) characteristics test conditions symbol min. typ. max. unit supply voltage vcc 3 12 v quiescent current i q 40 50 ma quiescent output current vo 4.5 v dual mode 43 45 47 voltage gain btl mode gv 49 51 53 db voltage gain difference ? gv 1 db input impedance ri 30 k ? r l =4 ? 1.7 2.3 vcc=9v r l =8 ? 1.3 r l =4 ? 0.7 1 v cc=6v r l =8 ? 0.6 dual mode per channel vcc=3v; r l =4 ? 0.1 vcc=9v; r l =8 ? 4.7 output power (f=1khz; d=10%) btl mode vcc=6v; r l =4 ? po 2.8 w dual mode 0.3 1.5 distortion vcc=9v; r l =4 ? f=1khz; po=250mw btl mode d 0.5 % supply voltage rejection r g =0; vripple=150mvrms av=45db; fripple=100hz svr 40 46 db r g =0 1.5 3 input noise voltage av=200 bandwidth 20hz to 20khz r g =10k? vn 3 6 v cross-talk r g =10k? ; f=1khz; r l =4 ? ; po=1w c.t. 40 55 db
silicor e d2025 shaoxing silicore technology co.,ltd www . silicore. com . cn chmc 3/4 thermal characteristics c h a r a c t e r i s t i c s y m b o l v a l u e u n i t junction-case therm a l resistance rth(j-c) 15 c/w junction-am bient therm a l resi stance(see note) rth(j-a) 60 c/w note : the rth(j-a) is m easured on de vic e s bon ded on a 10 5 0. 15 cm glass-epoxy substrate with a 35 m thick copper surface of 5cm 2 test circuit 1. dual mode circuit 2. btl mode circuit
silicor e 2025 shaoxing silicore technology co.,ltd www . silicore. com . cn chmc 4/4 characteristics cur ves
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