92706 / o2505 ms ot b8-6337 no.8386-1/7 LA7784 overview the LA7784 is a downconverter ic for digital catv. it accepts rf input frequencies from 50 to 150mhz and supports the docsis (usa) and euro-docsis (europe) standards. features ? rf mixer. ? attenuation control for rf mixer. ? driver for saw filter. ? if agc amplifier. ? if driver amplifier for adc. specifications maximum ratings at ta = 25 c parameter symbol conditions ratings unit maximum supply voltage v cc max pin 8, 14, 19, 20, 21, 22, 26, 27 6.0 v circuit voltages v max pin 9 v cc v circuit current i 12, 13 pin 12, 13 sink current 2 v allowable power dissipation p d max ta 70 c 900* ma operating temperature range t opr -20 to +70 mw storage temperature range t stg -55 to +150 c * on the board (114.3 76.1 1.6mm) operating conditions at ta = 25 c parameter symbol conditions ratings unit recommended supply voltage v cc pin 8, 14, 19, 20, 21, 22, 26, 27 5.0 v operating supply voltage range v cc op pin 8, 14, 19, 20, 21, 22, 26, 27 4.5 to 5.5 v ordering number : enn8386 monolithic linear ic downconverter ic for digital catv 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.
LA7784 no. 8386-2/7 ac characteristics at ta = 25 c, v cc = 3.3v ratings parameter symbol pin no. conditions min typ max unit circuit current i total 8, 14, 19, 20, 21, 22, 26, 27 no signal 80 105 130 ma rf input frequency range f (rf) 23, 24 fc:-3db 50 150 mhz rf agc range gr1 26, 27 v 9 = 2.5 to 0v 45 53 db mixer conversion gain cg1 26/23, 24 27/23, 24 v 9 = 2.5v 19 22 25 db mixer inter modulation 1 im3 1 26/23, 24 27/23, 24 input = 75db v 9 = 2.5v 40 50 db if input frequency range f (if) 4, 5 fc:-3db 30 100 mhz if amplifier gain g (agc) 12/4, 5 13/4, 5 v 9 = 2.5v 51 55 59 db if inter modulation 2 im3 2 12/4, 5 13/4, 5 output = 110db 40 50 db range gr2 12, 13 if output level < 1db 3 5 db if agc output level v o (if) 1 12 single output 1.0 v p-p if output level v o (if) 2 13 single output 1.0 v p-p package dimensions unit: mm 3222a
LA7784 no. 8386-3/7 pin assignment block diagram if driver amp output 18 17 24 23 22 gnd 20 19 28 27 26 25 16 15 21 11 12 5 6 7 gnd 9 10 1 2 3 4 13 14 8 if driver amp gnd if agc amp input nc if agc amp gnd agc control nc nc nc if agc amp gnd if agc amp input if driver amp output if driver amp v cc if agc amp v cc nc lo input rf att input rf att input rf att v cc driver v cc mixer/lo v cc driver gnd driver output driver output rf att gnd lo input mixer/lo gnd lna v cc
LA7784 no. 8386-4/7 pin description (unit: ? ) pin number description equivalent circuit 1 no connection 2 no connection 3 agc amp gnd 4 5 agc amp input 6 no connection 7 agc amp gnd 8 agc amp v cc 9 agc control 10 no connection 11 post amp gnd continued on next page.
LA7784 no. 8386-5/7 continued from preceding page. (unit: ? ) pin number description equivalent circuit 12 13 post amp outputs 14 post amp v cc 15 mixer/lo gnd 16 17 lo input 18 no connection 19 mixer/lo v cc 20 driver v cc continued on next page.
LA7784 no. 8386-6/7 continued from preceding page. (unit: ? ) pin number description equivalent circuit 21 22 lna v cc 23 24 lna inputs 25 lna gnd 26 27 driver outputs 28 driver gnd
LA7784 ps no.8386-7/7 test circuit 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. this catalog provides information as of october , 2005. specifications and information herein are subjec t to change without notice.
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