specifications of any and all sanyo semiconductor co.,l td. 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 ' sproductsor equipment. any and all sanyo semiconductor co.,ltd. products described or contained herein are, with regard to "standard application", intended for the use as general el ectronics equipment (home appliances, av equipment, communication device, office equipment, industrial equ ipment etc.). the products mentioned herein shall not be intended for use for any "special application" (medica l equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, t ransportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of re liability and can directly threaten human lives in case of failure or malfunction of the product or may cause har m to human bodies, nor shall they grant any guarantee thereof. if you should intend to use our products for app lications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. if there is n o consultation or inquiry before the intended use, our customer shall be solely responsible for the use. o0808 ms jk/42000 rm (im) no.6502-1/6 LA4629 overview the LA4629 is a 2-channel power amplifier developed for use in radio/cassette player products. the LA4629 reduces the number of required external components by 50% over earlie r products (bs/nf capacitors and oscillation prevention rc components) and thus can contribute significantly to space saving in end products. features ? provided in the sip12h package. ? p o : 2.5w 2 (v cc = 9v, r l = 3 ), 4.5w 2 (v cc = 12v, r l = 3 ) : 2.0w 2 (v cc = 9v, r l = 4 ), 4.0w 2 (v cc = 12v, r l = 4 ) ? standby function built in (supports direct microcontroller control). ? built-in thermal protection circuit. specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max no input 24 v allowable power dissipation pd max with an arbitrarily large heat sink 25 w operating temperature topr -25 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 12 v operating voltage range v cc op the range over which the package pd is not exceeded. 5 to 22 v recommended operating load resistance r l op 2.7 to 8 monolithic linear ic 2-channel af power amplifier orderin g number : en6502a
LA4629 no.6502-2/6 electrical characteristics at ta = 25 c, v cc = 12v, r l = 3 , f = 1khz, rg = 600 ratings parameter symbol conditions min typ max unit quiescent current i cco rg = 0 18 35 80 ma standby current i st 1.0 10 a voltage gain v g v o = 0dbm 43 45 47 db p o (1) thd = 10% 3.0 4.5 w p o (2) v cc = 12v, r l = 4 , thd = 10% 4.0 w p o (3) v cc = 9v, r l = 3 , thd = 10% 2.0 2.5 w output power p o (4) v cc = 9v, r l = 4 , thd = 10% 2.0 w total harmonic distortion thd p o = 1w 0.2 0.8 % output noise voltage v no rg = 0, din audio 0.15 0.5 mv ripple rejection ratio svrr rg = 0, f r = 100hz, vr = 0dbm, din audio 45 55 db channel separation chsep rg = 0, v o = 0dbm, din audio 43 50 db input resistance ri 20 30 40 k standby pin voltage v st the pin 6 voltage such that the amplifier is on 1.5 5.0 v package dimensions unit : mm (typ) 3049b pin assignment and application circuit example 1234 56 789101112 LA4629 + + r l 1000 f r l 1000 f 4.7 f 100 f 1 f 1 f 1000 f out2 out1 nc rf p.p in1 in2 in1 stby 5v in2 nc top view pre gnd stby power gnd v cc + + + + + *rx ? pins 4 and 11 must be left open. * ? rx : if the stby pin (pin 6) is used, observe the following : insert the resistor rx in series to limit the inflowing current. (the amplifier will be on when a voltage is applied to pin 6.) 0 pd max -- ta -20 28 20 24 25 12 16 8 4 20 12.5 3.6 3.2 7.0 0 40 60 80 100 50 50 1.5mm 3 100 100 1.5mm 3 allowable power dissipation, pd max -- w ambient temperature, ta -- ? c independent ic aluminum heat sink mounted with a torque of 39 n ?cm, flat washers, and with silicone grease applied. mounted on the sanyo-recommended printed circuit board with an arbitrarily large heat sink
LA4629 no.6502-3/6 block diagram ch1 input amplifier ref amplifier output amplifier ch2 input amplifier standby sw pop noise prevention block ripple filter tsd protector output amplifier r f1 r nf1 r nf2 r f2 2 ch1 output power gnd ch2 output v cc 1 12 stby 7 6 ch1 input pre gnd ch2 input 9 8 p.p filter 3 5 10 pin functions 1. standby switch function (pin 6) a pplied standby voltage vx 2k 2k stby rx + 6 the inflowing current at an applied voltage of 1.5v, i.e. the point when the amplifier turns on, is approximately 750 a stby pin applied voltage: 5v to hold the pin 6 inflow current to about 750a insert a resistor (rx) of 4.7k stby pin applied voltage: 12v to hold the pin 6 inflow current to about 750a insert a resistor (rx) of 14k (12k ). stby pin applied voltage: other value (vx) to hold the pin 6 inflow current to about 750a insert a resistor (rx) of (vx - 1.5v)/750a. ? if a microcontroller output signal is applied directly, insert a resistor in series and adjust the current to a level optimal for the drive capability of the microcontroller. 2. input pins (pins 9 and 10) the input pin voltage is about 2v be (1.4v). the input pin impedance is about 30k . ? although the recommended value for the input capacitor is 0.22 f, the starting time can be modified by changing the value of this capacitor. (the time from the point a voltage is applied to the standby pin to the point sound is emitted.) input capacitor 1.0 f 2.2 f 3.3 f 4.7 f 10 f starting time (t s ) 0.2s 0.3s 0.5s 0.65s 1.5s
LA4629 no.6502-4/6 3. filter (decoupling) pin (pin 7) the pin voltage is about 1/2v cc . the recommended value for the filter capacitor is 100 f. the pulse noise that occurs when the standby pin is set low (power off) will be degraded if a value under 100 f is used. a c voltage (100mv) output dc voltage filter capasitor = 100 f ac voltage (200mv) output dc voltage filter capasitor = 47 f 4. p.p (pulse noise) pin (pin 8) pin 8 pin voltage v cc - v ce (about 0.3v) - 5.6v 2k + 5.6v ? the recommended value for the p.p capacitor is 4.7 f. the pulse noise that occurs when th e standby pin is set low (power off) will be degraded if a value under 2.2 f is used. furthermore, if a value over 10 f is used, the signal may not be cut off and sound may remain audible when the standby pin is set low (power off). 5. mute (muting) the output signal can be controlled by shifting the pin 7 (filter) level towards ground with a 300 to 500 resistor. however, note that the degree of suppression is reduced if a value of 750 or more is used. mute on mute off output dc voltage output ac voltage 5k 5k zener voltage =5.6v to the input amplifie r block/bias system v cc 8
LA4629 no.6502-5/6 15 16 17 18 0 6 8 p o -- v cc 6789 11 10 12 13 14 2 4 10 i cco -- v cc thd -- p o 0 4 8 12162024 0 20 40 60 80 100 0.01 0.1 thd -- f chsep -- f 10 100 1k 10k 100k 23 57 3 57 2357 2357 2 5 7 3 2 1.0 5 7 3 2 10 5 7 3 2 7 100 5 3 2 7 10 5 3 2 7 1.0 5 3 2 7 0.1 0.01 5 3 2 0.1 23 57 1.0 10 23 57 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 10 23 57 100 23 57 1k 23 57 10k 100k 23 57 -10 -20 -30 -40 -50 -60 -70 svrr -- f r 10 100 23 57 1k 23 57 10k 23 57 -10 -40 -50 -60 -70 2 0 -2 -4 -6 -8 -10 f -- response 10 23 57 100 23 57 1k 23 57 10k 100k 23 57 0 svrr -- v cc 510152025 -30 -20 rg = 10k f r = 100hz v cc r = 0dbm din/audio f = 1khz rg = 600 r l = 3/4/8 thd = 10% r l = open rg = 0 v cc = 12v r l = 3 rg = 0 v cc = 9v r l = 3 rg = 0 v cc r = 0dbm din/audio r l = 3 r l = 8 r l = 4 v cc = 12v r l = 3 p o = 1w v cc = 9/12v r l = 3 rg = 0 v o = 0dbm din/audio out2 out2 out2 out1 10khz 100hz 1khz 0 supply voltage, v cc -- v output power, p o -- w quiescent current, i cco -- ma supply voltage, v cc -- v frequency, f -- hz frequency, f -- hz ripple frequency, f r -- hz supply voltage, v cc -- v output power, p o -- w total harmonic distortion, thd -- % total harmonic distortion, thd -- % channel separation, chsep -- db ripple rejection ratio, svrr -- db ripple rejection ratio, svrr -- db response -- db frequency, f -- hz v cc = 12v r l = 3 rg = 600 v o = 0dbm at 1khz input capacitor = 1 f ch2 1 9v ch1 2 12v ch2 1 12v ch1 2 9v
LA4629 ps no.6502-6/6 sanyo semiconductor co.,ltd. assumes no responsib ility for equipment failures that result from using products at values that exceed, even momentarily, rate d values (such as maximum ra tings, operating condition ranges, or other parameters) listed in products specif ications of any and all sanyo semiconductor co.,ltd. products described or contained herein. sanyo semiconductor co.,ltd. strives to supply high-qual ity high-reliability products, however, any and all semiconductor products fail or malfunction with some probabi lity. it is possible that these probabilistic failures or malfunction could give rise to acci dents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause dam age to other property. when designing equipment, adopt safety measures so that these kinds of accidents or e vents cannot occur. such measures include but are not limited to protective circuits and error prevention c ircuits for safe design, redundant design, and structural design. upon using the technical information or products descri bed herein, neither warranty nor license shall be granted with regard to intellectual property rights or any other rights of sanyo semiconductor co.,ltd. or any third party. sanyo semiconductor co.,ltd. shall not be liable f or any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. information (including circuit diagr ams and circuit parameters) herein is for example only; it is not guaranteed for volume production. any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equi pment, refer to the "delivery specification" for the sanyo semiconductor co.,ltd. product that you intend to use. in the event that any or all sanyo semiconductor c o.,ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities conc erned 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 in formation storage or retrieval system, or otherwise, without the prior written consent of sanyo semiconductor co.,ltd. this catalog provides information as of october, 2008. specifications and information herein are subject to change without notice.
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