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 electronics 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. 21809 ms 20090209-s00004 / 91207 ms 20070828-s00002 / d2506 ms pc 20060623-s00005 / 81004tn (ot) no.7814-1/9 61009 ms 20090522-s00006 / LA6242H overview the LA6242H is a 4-channel motor driver ic for home and car cd players. it provides a pin for switching the channel 1 input. functions ? four bridge-connected (btl) power amplifier circuits ? i o max: 1a ? built-in level shifter circuits ? muting circuit (on/off control for all outputs) ? high output voltage (dynamic range): 6.5v (typical, channel 1 only) ? built-in input operational amplifier (channel 1 only) ? channel 1 input operational amplifier switching function ? built-in regulator that uses an external pnp transist or and is set by the value of an external resistor. ? built-in overheat protection (thermal shutdown) circuit (design guarantee) specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit v cc s ? 1 14 v supply voltage v cc p* v cc p1, v cc p2 ? 1 14 v maximum input voltage v in b 13 v maximum output current i o max each output 1a mute pin voltage v mute 13 v independent ic 0.8 w allowable power dissipation pd max mounted on the specified board ? 2 1.8 w operating temperature topr -40 to + 85 c storage temperature tstg -55 to + 150 c *1: all of the power supply pins, v cc s, v cc p1, and v cc p2, must be connected to the power supply system externally to the ic. ? *2: specified board: 114.3mm 76.1mm 1.6mm, glass epoxy board. monolithic linear ic for cd player 4-channel bridge (btl) driver orderin g numbe r : en7814d
LA6242H no.7814-2/9 recommended operating conditions at ta = 25 c parameter symbol conditions ratings unit supply voltage v cc 5 to 13 v electrical characteristics at ta = 25c,v cc s = v cc p1 = v cc p2 = 8 v, vref = 2.5 v, mute = 5 v ratings parameter symbol conditions min typ max unit overall quiescent current 1 i cc -on all channel outputs on, mute pin: high 30 45 ma quiescent current 2 i cc -off all channel outputs off, mute pin: low 5 10 ma muting function on voltage v mute -on mute ? 1 2 v muting function off voltage v mute -off mute ? 1 0.5 v thermal shutdown tsd *4 150 175 200 c btl amplifier (channel 1) (output amplifier block) input amplifier offset voltage v off _op-amp channel 1, input operational amplifiers a and b -50 + 50 mv output voltage v o 1 r l = 8 ? ? 2 6.2 6.5 v i/o gain vg1 ? 3 5.4 6 6.6 times slew rate sr1 with the amplifier operating independently, twice the value measured between outputs ? 3, ? 4 0.5 v/ s input operational amplifier output offset voltage v off 1 input operational amplifiers a and b -10 +10 mv op-amp_sink op_sink input operational amplifier sink current 2 ma op-amp_source op_source input operational amplifier source current 300 500 a input operational amplifier switching input amplifier switching voltage 1 v in 1-sw channel 1, with input operational amplifier b selected ? 5 0.5 v input amplifier switching voltage 2 v in 1-sw channel 1, with input operational amplifier a selected ? 5 2 v btl amplifier (channels 2 to 4) (output amplifier block) output offset voltage v off 2 between the + and - outputs for each channel -50 + 50 mv output voltage v o 2 r l = 8 ? , between the + and - outputs for each channel ? 2 5 5.4 v i/o gain vg2 5.4 6 6.6 multip lier slew rate sr2 amplifier independently, twice the value measured between outputs ? 3, ? 4 0.5 v/ s regulator voltage vreg output voltage vreg ? 6 1.21 1.26 1.31 v reg-in sink current reg-in-sink the base cu rrent of the external pnp transistor 5 10 ma line regulation ? v o ln 6v v cc 12v, i o = 200ma 20 150 mv load regulation ? v o ld 5ma i o 200ma 50 200 mv *1: when the mute pin is high, the outputs will be on, and when low, the outputs will be off. (i n the amplifier output off stat e, the outputs are in the high-impedance state.) this operation applies to all channels. *2: the voltage across the load terminals when an 8 ? load is connected across the outputs. with the input either high or low. with the output in the saturated state. *3: the channel 1 input operational amplifier has a 0db gain, i.e. it is a buffer amplifier. *4: design guarantee value *5: when v in 1-sw is high, operational amplifier a operates, and when low, operational amplifier b operates. *6: for testing, short the regout to the collector of the external pnp-transistor.
LA6242H no.7814-3/9 package dimensions unit : mm (typ) 3234b -20 0 20 40 60 80 100 0 2.5 2.0 1.5 1.0 0.5 pd max -- ta 0.8 -40 0.94 0.42 ambient temperature, ta -- c allowable power dissipation, pd max -- w independent ic with specified board specified board: 114.3 76.11.6mm 3 glass epoxy boaard. 1.8 sanyo : hsop28hc(375mil) 15.2 (6.2) 0.25 0.3 0.1 (2.25) (0.8) 0.8 2.0 10.5 7.9 (4.9) 0.65 2.7 2.45 max heat spreader 1 14 15 28
LA6242H no.7814-4/9 block diagram 1 2 3 4 5 6 7 fr 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 v in 1 ? a v in 1 + a v cc p1 v o 1 + v o 1 ? v o 2 + v o 2 ? fr v o 3 + v o 3 ? v o 4 + v o 4 ? v cc p2 v in 4 v in 4g v in 1 v in 1 ? b v in 1 + b sgnd v in 1-sw mute vrefin fr v cc s regout regin v in 2g v in 2 v in 3g v in 3 + ? 22k? 22k? 66k? + ? 22k? 22k? 66k? + ? 22k? 22k? 66k? + ? 22k? 22k? 66k? + ? + ? 22k? 22k? 66k? + ? 22k? 22k? 66k? + ? 22k? 22k? 66k? + ? 22k? 22k? 66k? + ? + ? 11k ? 11k ? + ? 11k ? 11k ? fr + ? 11k ? 11k ? + ? 11k ? 11k ? + ? mute + ? (v cc ) signal gnd power gnd power gnd signal power supply level sihifter level sihifter level sihifter level sihifter v in 1-sw "h": op-amp_a "l": op-amp_b "h" "l" on/off of all output h: on l: off regin regout
LA6242H no.7814-5/9 pin functions pin no. pin name pin description 1 v in 1 ? a channel 1 input amplifier a inverting input 2 v in 1 + a channel 1 input amplifier a non-inverting input 3 v cc p1 channels 1 and 2: power stage power supply 4 v o 1 + channel 1 output ( + ) 5 v o 1 ? channel 1 output ( ? ) 6 v o 2 + channel 2 output ( + ) 7 v o 2 ? channel 2 output ( ? ) 8 v o 3 + channel 3 output ( + ) 9 v o 3 ? channel 3 output ( ? ) 10 v o 4 + channel 4 output ( + ) 11 v o 4 ? channel 4 output ( ? ) 12 v cc p2 channels 3 and 4: power stage power supply 13 v in 4 channel 4 input 14 v in 4g channel 4 input (gain adjustment) 15 v in 3 channel 3 input 16 v in 3g channel 3 input (gain adjustment) 17 v in 2 channel 2 input 18 v in 2g channel 2 input (gain adjustment) 19 regin base connection of external pnp transistor 20 regout regulator error amplifier input (+) 21 v cc s signal system power supply 22 vrefin reference voltage input 23 mute output on/off control 24 v in 1-sw channel 1 input operational amplifier switching 25 sgnd signal system ground 26 v in 1 + b channel 1 amplifier b non-inverting input 27 v in 1 ? b channel 1 amplifier b inverting input 28 v in 1 channel 1 input and input operational amplifier output note: ? the center frame (fr) is used as the power system ground (p-gnd). along with the signal system ground (sgnd), this level must be the lowest potential in the system. ? the v cc s (signal system power supply), v cc p1, and v cc p2 (output stage power supplies) mu st be shorted together externally.
LA6242H no.7814-6/9 pin description pin no. pin name function description equivalent circuit 1 2 26 27 28 v in 1 ? a v in 1 + a v in 1 + b v in 1 ? b v in 1 input (channel 1) inputs the total gain is set by setting the gain of the input amplifier. v cc s v in 1+* sgnd v in 1-* v in 1 300? 300? 4 5 v o 1 + v o 1 ? output (channel 1) channel 1 output v cc s sgnd v o 1 v cc p 6 7 8 9 10 11 v o 2 + v o 2 ? v o 3 + v o 3 ? v o 4 + v o 4 ? output (channels 2 to 4) channel 2 to 4 outputs v cc s sgnd v o v cc p 23 mute mute controls the on/off states of the corresponding channel output. mute = high: output on mute = low: output off ? : when the mute pin is open, the outputs will be off. (the same as when the mute pin is low.) v cc s mute sgnd 100k ? 100k? 24 v in 1-sw channel 1 input amplifier switching channel 1 input operational amplifier switching function. either amplifier a or amplifier b is selected according to the voltage applied to the vin1-sw pin. high: v in _a low: v in _b v cc s v in 1-sw sgnd 2k? 2k? continued on next page.
LA6242H no.7814-7/9 continued from preceding page. pin no. pin name function description equivalent circuit 17 18 15 16 13 14 v in 2 v in 2g v in 3 v in 3g v in 4 v in 4g input (channels 2 to 4) inputs v cc s vref sgnd 300? v in g v in 11k? 22 vrefin vref reference voltage v cc s vrefin sgnd 300? 19 20 regin regout reg regulator block v cc s sgnd regin 100? 10k? regout 300?
LA6242H no.7814-8/9 mute, v in 1-sw ? relationship between the mute pin and the outputs outputs mute ch1 ch2 ch3 ch4 h on l off note ? 1: when the outputs are off, they are in the high-impedance state. ? 2: the muting function applies to all channels. ? v in 1-sw and the channel 1 input operational amplifier v in 1-sw channel 1 input operational amplifier h amp_a l amp_b v in 1-sw 0.5v 2v op-amp b is used op-amp a is used op-amp a or op-amp b is selected by v in 1-sw ? muting mute output amplifiers l off h on overview of the input/output relationship v in v in ? v in + 11k ? 11k? vrefin v o 1 + v o 1 ? 66k? 22k? 22k? 66k? ? + ? + ? + ? + ? + ? + level shifter note: only channel 1 has an added input operational amplifier.
LA6242H ps no.7814-9/9 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 probability. 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. application circuit example 1 2 3 4 5 6 7 fr 8 9 10 11 12 13 14 m m loading/sled spindle ( ) focus tracking 28 27 26 25 24 23 22 fr 21 20 19 18 17 16 15 v in 1 ? a v in 1 + a v cc p1 v o 1 + v o 1 ? v o 2 + v o 2 ? fr v o 3 + v o 3 ? v o 4 + v o 4 ? v cc p2 v in 4 v in 4g v in 1 v in 1 ? b v in 1 + b sgnd v in 1-sw mute vrefin fr v cc s regout regin v in 2g v in 2 v in 3g v in3 ( ) ( ) h:sled l:loading v cc tracking input sled input loading input this catalog provides information as of june, 2009. specifications and information herein are subject to change without notice.
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