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. 41807 ms pc b8-7328 no.a0797-1/7 LA6261D overview the LA6261D is a 6-channel driver (btl: 4ch, h-bridge: 2ch) developed for use in optical disk applications. functions ? power amplifier 4-channel (btl) , 2-channel (h-bridge) built-in ? i o max 700ma (each channel) ? level shift circuit built-in (btl amp) ? overheat protection circuit (thermal shutdown) built-in ? separate power supply for h-bridge (2ch) ? 3.3v regulator controller incorporated (output transistor provided externally) ? with each h-bridge output control pin specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit supply voltage v cc max 14 v maximum output current i o max each channel for ch1 to ch6 0.7 a maximum input voltage v in b 13 v mute pin voltage v mute 13 v allowable power dissipation pd max independent ic 1.2 w operating temperature topr -30 to +85 c storage temperature tstg -55 to +150 c monolithic linear ic for optical disk applications 6-chnnel driver orderin g numbe r : ena0797
LA6261D no.a0797-2/7 recommended operating conditions at ta = 25 c parameter symbol conditions ratings unit supply voltage v cc 5.6 to 13 v electrical characteristics at ta = 25 c, v cc 1=v cc 2=8v, vref=1.65v, unless otherwise specified. ratings parameter symbol conditions min typ max unit all blocks no-load current drain on i cc -on all outputs on *1 fwd = rev = 0v 30 50 ma vref input voltage range vref-in 1 vcc-1.5 v btl amp block output offset voltage v off voltage difference between channels -50 50 mv input voltage range v in input to v in 1,2,3 and 4 0 vcc v output voltage (saturated) v o voltage between each v o + and v o - with r l = 8 ? 45 v closed-circuit voltage gain vg gain between input and output 4 times input voltage for mute on v mt on *3 2 svcc v input voltage for mute off v mt off *3 0 0.5 v slew rate sr 2 between the amp and output 0.5 v/ s h bridge block output voltage (saturated) v o -load voltage between each v o + and v o - with r l =10 ? *2 6.2 6.7 v input low-level v in -l 0 1 v input high-level v in -h 2 svcc v output voltage (controlled) v cont voltage between each v o + and v o - with v cont = 3v and r l = 10 ? 2.8 v regulator block output voltage vreg i l = 100ma 3.05 3.3 3.55 v fluctuating output load ? v rl i l = 0 to 200ma -50 0 10 mv fluctuating supply voltage ? vv cc v cc = 6 to 12v, i l = 100ma -15 21 60 mv *1 total current dissipation of sv cc , pv cc 1 and pv cc 2 at no load. *2 output in the saturated condition. *3 btl output on with mute: [h] and btl output off (hi impedance) with mute: [l]. *4 design value package dimensions unit : mm (typ) 3170a sanyo : dip36s(400mil) 3.95max (3.25) 0.51min 3.0 32.4 8.6 0.95 0.25 (1.1) 1.78 0.48 10.16 118 36 19 -30 -20 0 20 40 60 80 100 85 0.62 0 0.2 0.4 0.6 0.8 1.0 1.2 1.2 pd max -- ta ambient temperature, ta -- c allowable power dissipation, pd max -- w independent ic
LA6261D no.a0797-3/7 block diagram 1 v o 4 - 2 v o 4 + 3 v o 5 - 4 v o 5+ 5 v o 6 - 6 v o 6 + 7 pgnd2 8 mute 9 pv cc 2 10 sv cc 11 sgnd 12 vrefin 13 vcont6 14 rev6 15 fwd6 16 vcont5 17 rev5 18 fwd5 pre drive pre drive + ? + ? + ? + ? + ? + ? + ? + ? 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 7 8 v o 3 + v o3 - v o 2 + v o 2 - v o 1 + v o 1 - pgnd1 regin pv cc 1 regout v in 1 v in 1g v in 2 v in 2g v in 3 v in 3g v in 4 v in 4g + ? 11k ? 1k ? 11k ? 1k ? 11k ? 1k ? 11k ? 1k ? + ? 22k ? + ? 22k ? + ? 22k ? + ? 22k ? + ? + ? sv cc bandgap rererence voltage tsd btl buffer amp for 1/2v cc mode select mode select ch3 ch2 ch1 ch4 ch5 ch6 voltage control amp buffer amp for vref
LA6261D no.a0797-4/7 pin function pin no. pin name function equivalent circuit 1 2 28 30 31 32 33 34 35 36 v o 4 - v o 4 + pv cc 1 pgnd1 v o 1 - v o 1 + v o 2 - v o 2 + v o 3 - v o 3 + btl output pin (-) for channel 4 btl output pin (+) for channel 4 power for channels 1,2,3 and 4 (btl), (sv cc short-circuited) power gnd for channels 1,2,3 and 4 (btl) btl output pin (-) for channel 1 btl output pin (+) for channel 1 btl output pin (-) for channel 2 btl output pin (+) for channel 2 btl output pin (-) for channel 3 btl output pin (+) for channel 3 v o * 30 28 3 4 5 6 7 9 v o 5 - v o 5 + v o 6 - v o 6 + pgnd2 pv cc 2 h-bridge output pin (-) for channel 5 h-bridge output pin (+) for channel 5 h-bridge output pin (-) for channel 6 h-bridge output pin (+) for channel 6 power gnd for channels 5 and 6 (h-bridge) power for channels 5 and 6 (h-bridge) v o * 7 9 8 mute input pin for btl mute 8 pgnd pv cc 10k ? 100k ? sgnd 12 vrefin reference voltage input pin 12 pgnd pv cc 300 ? 300 ? sgnd 13 16 vcont6 vcont5 input pin for ch6 output voltage control input pin for ch5 output voltage control vcont* pgnd pv cc pgnd 14 15 17 18 rev6 fwd6 rev5 fwd5 ch6 output change pin (rev), logic input for h bridge ch6 output change pin (fwd), logic input for h bridge ch5 output change pin (rev), logic input for h bridge ch5 output change pin (fwd), logic input for h bridge fwd* rev* pgnd pv cc 50k ? 50k ? sgnd continued on next page.
LA6261D no.a0797-5/7 continued from preceding page. pin no. pin name function equivalent circuit 19 20 21 22 23 24 25 26 v in 4g v in 4 v in 3g v in 3 v in 2g v in 2 v in 1g v in 1 input pin for channel 4 (for gain control) input pin for channel 4 input pin for channel 3 (for gain control) input pin for channel 3 input pin for channel 2 (for gain control) input pin for channel 2 input pin for channel 1 (for gain control) input pin for channel 1 pgnd pv cc 1k ? 300 ? sgnd 300 ? v in * pgnd pv cc 11k ? v in *g 27 regout regulator pin (external pnp collector) 27 pgnd pv cc 300 ? sgnd 29 regin regulator pin (external pnp base) 29 pgnd pv cc 100 ? sv cc 10k ? truth table (h bridge) input output fwd5(6) rev5(6) v o 5(6) + v o 5(6) - l l z z l h h l h l l h h h l l
LA6261D no.a0797-6/7 1 v o 4 - 2 v o 4 + 3 v o 5 - 4 v o 5+ 5 v o 6 - 6 v o 6 + 7 pgnd2 8 mute 9 pv cc 2 10 sv cc 11 sgnd 12 vrefin 13 vcont6 14 rev6 15 fwd6 16 vcont5 17 rev5 18 fwd5 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 7 8 v o 3 + v o3 - v o 2 + v o 2 - v o 1 + v o 1 - pgnd1 regin pv cc 1 regout v in 1 v in 1g v in 2 v in 2g v in 3 v in 3g v in 4 v in 4g m m m sled motor loading motor changer motor input input input input input input input + + input input input input + + 3.3v regulated voltage m spindle motor tracking coil focus coil application circuit example
LA6261D ps no.a0797-7/7 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 april, 2007. specifications and information herein are subject to change without notice.
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