22806 ms ot b8-7296,b8-5737 no.a0243-1/5 LA73051 overview this LA73051 is a 3ch 75 ? video driver ic. the LA73051 is ideal for use the video output driver such as vcr and dvd-player equipment. functions ? 6db amp+driver (3ch) specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max 7, +14 v allowable power dissipation pd max ta 80 c * 440 mw operating temperature topr -20 to +80 c storage temperature tstg -55 to +150 c *: mounted on a board : 114.3 76.1 1.6mm 3 glass epoxy board. recommended operating conditions at ta = 25c parameter symbol conditions ratings unit recommending operation voltage v cc 5 +9 v operating voltage range v cc op 4.0 to 5.5 +8 to +10 v orderin g number : ena0243 monolithic linear ic 3ch 75 ? video driver
LA73051 no.a0243-2/5 electrical characteristics at ta = 25c, v cc = 5v ratings parameter symbol conditions min typ max unit current dissipation i cc 1 no signal 28.9 34.0 39.1 ma voltage gain vg v in = 1vp-p, f = 4.43mhz 5.7 6.2 6.7 db frequency characteristics 1 vf1 v in = 1vp-p, f = 100k/5mhz -1.0 0 1.0 db frequency characteristics 2 vf2 v in = 1vp-p, f = 100k/27mhz -25 -20 db group delay gd f = 100k/4.43mhz 10 15 ns maximum output level v o max f = 1khz, thd = 1% 3.0 4.0 vp-p control voltage h level v cnt h pin 7 input voltage 2.5 v cc v control voltage l level v cnt l pin 7 input voltage 0 1.0 v design guarantee items ratings parameter symbol conditions min typ max unit video s/n vg 1v -75 -70 db differential gain dg v in = 1vp-p, ramp signal 1.0 % differential phase dp v in = 1vp-p, ramp signal 1.0 deg. mute attenuation v mutev v in = 1vp-p, f = 4.43mhz -60 -55 db cross-talk between channel v ctkv v in = 1vp-p, f = 4.43mhz -60 -55 db truth table pin 7 h throuth l mute package dimensions unit : mm 3315 sanyo : ssop24j(275mil) 7.6 5.6 112 13 24 0.5 0.15 9.75 (1.3) 0.1 1.5max 0.8 (0.48) 0.3
LA73051 no.a0243-3/5 block diagram test circuit diagram (using power supply)
LA73051 no.a0243-4/5 pin functions pin no. pin name terminal explanation equivalent circuit 1 2 11 12 13 14 18 23 24 nc 3 6 8 v in 1 v in 2 v in 3 input terminal. non-bias. it is possible to use with being directly connected with dc. when dc coupling, it is necessary to add bias after the coupling. 4 9 dccnt1 dccnt2 dc offset mode charge terminal between input and output. when a condenser is input at the position between pin 4 (dccnt1) and gnd, the operation of ic becomes the mode with 0.3vdc offset between input and output of 1, 3ch (pins 3 and 21, pins 8 and 17). similarly when a condenser is input at the position between pin 9 (dccnt2) and gnd, it becomes the mode with 0.6vdc offset between input and output of 2ch (pins 6 and 19). and when pins 4, 9 and gnd is shorted, it becomes the mode without dc offset between input and output. 5 10 20 gnd both power supply and +power supply are gnd. 7 mute1 changeover terminal of mute. when the mute terminal is low, it is mute. when the terminal is open, it is low. continued on next page.
LA73051 ps no.a0243-5/5 continued from preceding page. pin no. pin name terminal explanation equivalent circuit 15 16 ?v cc ?v cc of using power supply. using +power supply, it is gnd. 17 19 21 v out 3 v out 2 v out 1 output terminal. using power supply, in case of the mode with dc offset, it is possible to use without capacitor of output by setting pins 3, 8 to 0.3v-bias and by setting pin 6 to 0.6v-vias. and in case of the mode without dc offset, it is possi ble to use without capacitor of output by setting each input to zero-bias. when using +power supply, both of the modes needs coupling capacitor. 22 +v cc both power supply and +power supply are +v cc . this catalog provides information as of february, 2006. specifications and information herein are subject to change without notice. ? specifications of any and all sanyo products describ ed or contained herein st ipulate the performance, characteristics, and functions of t he described products in the independe nt state, and are not guarantees of the performance, characteristics, and functions of t he 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 electric co., ltd. strives to supply high-qual ity 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 live s, 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 desi gn, redundant design, and structural design. ? in the event that any or all sanyo products (inclu ding technical data, services) described or contained herein are controlled under any of applicable local expor t control laws and regulations, such products must not be exported without obtaining t he export license from the authorities concerned in accordance with the above law. ? no part of this publication may be reproduced or transmi tted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, of otherwise, without the prior written pe rmission of sanyo electric co., ltd. ? any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. when designing equipm ent, refer to the "delivery specification" for the sanyo product that you intend to use. ? information (including circ uit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. sanyo believes info rmation herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of in tellectual property rights or other rights of third parties.
|
