n1506 ms pc b8-4991 no.a0319-1/3 any and all sanyo semiconductor products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. consult with your sanyo semiconductor representative nearest you before using any sanyo semiconductor products described or contained herein in such applications. sanyo semiconductor assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all sanyo semiconductor products described or contained herein. LA4262 overview the LA4262 is a two-channe l 7w power amplifier ic. the LA4262 only requires a minimal number of external components and thus is optimal for use as the audio output power amplifier in radio cassette recorders. functions ? output : 7w 2 (v cc = 15v, r l = 3 ? ) ? standby function ? pop noise reducing function ? ripple filter ? thermal protection circuit specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max rg = 0 (no signal) 24 v allowable power dissipation pd max with a infinity large heat sink 25 w thermal resistance j-c 3.0 c/w operating temperature topr -20 to +75 c storage temperature tstg -40 to +150 c operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v cc 15 v recommended load resistance r l 3 ? allowable operating voltage range v cc op under conditions where maximum ratings are not exceeded 5.0 to 22 v operating load resistance range r l op 2.7 to 8.0 ? monolithic linear ic audio output for radio cassette recorder two-channel 7w power amplifier orderin g numbe r : ena0319
LA4262 no.a0319-2/3 electrical characteristics at ta = 25 c, v cc = 15v, r l = 3 ? , f = 1khz, rg = 600 ? , in the specified circuit board ratings parameter symbol conditions min typ max unit standby current ist standby pin gnd 1.0 10 a quiescent current i cco rg = 0 20 30 80 ma voltage gain vg v o = 0dbm 33 35 37 db total harmonic distortion thd p o = 1w 0.15 0.6 % output noise voltage v no rg = 0, din audio 0.05 0.2 mv p o 1 thd = 10% 6.0 7.0 w output power p o 2 v cc = 9v, r l = 4 ? . thd = 10% 1.5 2.0 w channel separation chsep v o = 0dbm, rg = 0, din audio 50 60 db ripple rejection ratio svrr vr = 0dbm, rg = 0, fr = 100hz, din audio 50 60 db standby on voltage vst 1.5 5.0 v input resistance ri 20 30 40 k ? package dimensions unit : mm (typ) 3024b 26.8 20.0 r1.7 (8.4) 10 1 (11.8) 4.0 0.4 2.0 7.0 0.5 2.54 (1.97) 1.4 6.0 1.0 min 13.2max sanyo : sip10h ambient temperature, ta ? ?c pd max -- ta allowable power dissipation, pd max ? w 0 2 4 6 8 10 12 14 16 15.0 12.5 7.0 3.6 3.2 --20 0 20 40 60 80 100 120 140 160 with a infinity large heat sink aluminum heat sink mounting conditions tightening torque : 4kgcm flat washer silicone grease applied independent ic sanyo recommended circuit board 100 100 1.5mm 3 50 50 1.5mm 3
LA4262 ps no.a0319-3/3 specifications of any and all sanyo semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. to verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. sanyo semiconductor co., ltd. strives to supply high-quality high-reliability products. however, any and all semiconductor products fail with some probability. it is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. when designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. in the event that any or all sanyo semiconductor products (including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of sanyo semiconductor co., ltd. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipment, refer to the "delivery specification" for the sanyo semiconductor product that you intend to use. information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. sanyo semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. block diagram this catalog provides information as of november, 2006. specifications and inform ation herein are subject to change without notice. output amplifier standby standby 7 4 predrive amplifier input amplifier channel 1 ch1 in 10 9 ref amplifer input amplifier channel 2 8 pop noise reduction 6 predrive amplifier output amplifier ripple filter 5 pre gnd ch2 in p. p filter 3 ch1 out ch1 out 2 1 power gnd thermal shutdown protection r nf1 r nf2 r f1 r f2 v cc
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