data brief for further information contact your local stmicroelectronics sales office. august 2010 doc id 17720 rev 2 1/8 8 TDA7850LV 4 x 50 w quad bridge amplifier suitable for low voltage car radio systems features high output power capability: ?4 x 50 w/4 max. ?4 x 30 w/4 @ 14.4 v, 1 khz, 10 % ?4 x 80 w/2 max. ?4 x 53 w/2 @ 14.4v, 1 khz, 10 % mosfet output power stage capable to operate in low voltage conditions (e.g.: ?start - slop?) excellent 2 driving capability hi-fi class distortion low output noise standby function and mute function automute at min. supply voltage detection low external component count: ? internally fixed gain (26 db) ? no external compensation ? no bootstrap capacitors on board 0.35 a high side driver protections: extreme robustness against any kind of short to gnd output short circuit to gnd, to v s , across the load very inductive loads overrating chip temperature with soft thermal limiter output dc offset detection load dump voltage fortuitous open gnd reversed battery esd description the TDA7850LV is a mosfet class ab audio power amplifier, designed for high-power car radio. in addition to the outstanding output current capability and distortion performance, the TDA7850LV is extremely robust against several kinds of fortuitous misconnections. it is, moreover, compliant to the most recent oem specifications for low voltage operation (the so called 'start-stop' battery profile during engine stop) and features a very compact design in bcd technology. the TDA7850LV includes offset detector capability (or high side driver output) and is available in both smd and standard flexiwatt packages. flexiwatt25 (vertical) flexiwatt25 (horizontal) flexiwatt25 (smd) table 1. device summary order code package packing TDA7850LV flexiwatt25 (vertical) tube TDA7850LVh flexiwatt25 (horizontal) tube TDA7850LVsm flexiwatt25 (smd) tube TDA7850LVsmtr flexiwatt25 (smd) tape and reel www.st.com www.datasheet.in
block and pins description diagrams TDA7850LV 2/8 doc id 17720 rev 2 1 block and pins description diagrams 1.1 block diagram figure 1. block diagram in1 0.22 f mute st-by in2 0.22 f out1+ out1- out2+ out2- pw-gnd in3 0.22 f in4 0.22 f out3+ out3- out4+ out4- pw-gnd pw-gnd pw-gnd d94au158e ac-gnd 1 f47 f svr tab s-gnd vcc1 vcc2 100nf 470 f hsd/v off_det hsd www.datasheet.in
TDA7850LV block and pins description diagrams doc id 17720 rev 2 3/8 1.2 pins description diagrams figure 2. pins connection (top view) d94au159a tab p-gnd2 out2- st-by out2+ v cc out1- p-gnd1 out1+ svr in1 in2 s-gnd in4 in3 ac-gnd out3+ p-gnd3 out3- v cc out4+ mute out4- p-gnd4 hsd 1 25 d06au1655 tab p-gnd2 out2- st-by out2+ v cc out1- p-gnd1 out1+ svr in1 in2 s-gnd in4 in3 ac-gnd out3+ p-gnd3 out3- v cc out4+ mute out4- p-gnd4 hsd 1 25 vertical horizontal tab p-gnd2 out2- st-by out2+ v cc out1- p-gnd1 out1+ svr in1 in2 s-gnd in4 in3 ac-gnd out3+ p-gnd3 out3- v cc out4+ mute out4- p-gnd4 hsd 1 25 smd www.datasheet.in
package information TDA7850LV 4/8 doc id 17720 rev 2 2 package information in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 3. flexiwatt25 (vertical) mechanical data and package dimensions outline and mechanical data dim. mm inch min. typ. max. min. typ. max. a 4.45 4.50 4.65 0.175 0.177 0.183 b 1.80 1.90 2.00 0.070 0.074 0.079 c 1.40 0.055 d 0.75 0.90 1.05 0.029 0.035 0.041 e 0.37 0.39 0.42 0.014 0.015 0.016 f (1) 0.57 0.022 g 0.80 1.00 1.20 0.031 0.040 0.047 g1 23.75 24.00 24.25 0.935 0.945 0.955 h (2) 28.90 29.23 29.30 1.139 1.150 1.153 h1 17.00 0.669 h2 12.80 0.503 h3 0.80 0.031 l (2) 22.07 22.47 22.87 0.869 0.884 0.904 l1 18.57 18.97 19.37 0.731 0.747 0.762 l2 (2) 15.50 15.70 15.90 0.610 0.618 0.626 l3 7.70 7.85 7.95 0.303 0.309 0.313 l4 5 0.197 l5 3.5 0.138 m 3.70 4.00 4.30 0.145 0.157 0.169 m1 3.60 4.00 4.40 0.142 0.157 0.173 n 2.20 0.086 o 2 0.079 r 1.70 0.067 r1 0.5 0.02 r2 0.3 0.12 r3 1.25 0.049 r4 0.50 0.019 v1 3? (typ.) v5? (tp.) v2 20? (typ.) v3 45? (typ.) (2): molding protusion included (1): dam-bar protusion not included flexiwatt25 (vertical) h3 r4 g v g1 l2 h1 h f m1 l flex25me v3 o l3 l4 h2 r3 n v2 r r2 r2 c b l1 m r1 l5 r1 r1 e d a pin 1 v v1 v1 7034862 www.datasheet.in
TDA7850LV package information doc id 17720 rev 2 5/8 figure 4. flexiwatt25 (horizontal) mechanical data and package dimensions outline and mechanical data dim. mm inch min. typ. max. min. typ. max. a 4.45 4.50 4.65 0.175 0.177 0.183 b 1.80 1.90 2.00 0.070 0.074 0.079 c 1.40 0.055 d 2.00 0.079 e 0.37 0.39 0.42 0.014 0.015 0.016 f (1) 0.57 0.022 g 0.75 1.00 1.25 0.029 0.040 0.049 g1 23.70 24.00 24.30 0.933 0.945 0.957 h (2) 28.90 29.23 29.30 1.139 1.150 1.153 h1 17.00 0.669 h2 12.80 0.503 h3 0.80 0.031 l (2) 21.64 22.04 22.44 0.852 0.868 0.883 l1 10.15 10.5 10.85 0.40 0.413 0.427 l2 (2) 15.50 15.70 15.90 0.610 0.618 0.626 l3 7.70 7.85 7.95 0.303 0.309 0.313 l4 5 0.197 l5 5.15 5.45 5.85 0.203 0.214 0.23 l6 1.80 1.95 2.10 0.070 0.077 0.083 m 2.75 3.00 3.50 0.108 0.118 0.138 m1 4.73 0.186 m2 5.61 0.220 n 2.20 0.086 p 3.20 3.50 3.80 0.126 0.138 0.15 r 1.70 0.067 r1 0.50 0.02 r2 0.30 0.12 r3 1.25 0.049 r4 0.50 0.02 v5? (typ.) v1 3? (typ.) v2 20? (typ.) v3 45? (typ.) flexiwatt25 (horizontal) 7399733 a (1): dam-bar protusion not included; (2): molding protusion included www.datasheet.in
package information TDA7850LV 6/8 doc id 17720 rev 2 figure 5. flexiwatt25 (smd) mechanical data and package dimensions outline and mechanical data dim. mm inch min. typ. max. min. typ. max. a 4.45 4.50 4.65 0.1752 0.1772 0.1831 b 2.12 2.22 2.32 0.0835 0.0874 0.0913 c 1.40 0.0551 d 2.00 0.0787 e 0.36 0.40 0.44 0.0142 0.0157 0.0173 f** 0.47 0.51 0.57 0.0185 0.0201 0.0224 g(*) 0.75 1.00 1.25 0.0295 0.0394 0.0492 g1 23.70 24.00 24.30 0.9331 0.9449 0.9567 g2(*) 1.75 2.00 2.25 0.0689 0.0787 0.0886 h(**) 28.85 29.23 29.40 1.1358 1.1508 1.1575 h1 17.00 0.6693 h2 12.80 0.5039 h3 0.80 0.0315 l(**) 15.50 15.70 15.90 0.6102 0.6181 0.6260 l1 7.70 7.85 7.95 0.3031 0.3091 0.3130 l2 14.00 14.20 14.40 0.5512 0.5591 0.5669 l3 11.80 12.00 12.20 0.4646 0.4724 0.4803 l4 1.30 1.48 1.66 0.0512 0.0583 0.0654 l5 2.42 2.50 2.58 0.0953 0.0984 0.1016 l6 0.42 0.50 0.58 0.0165 0.0197 0.0228 m 1.50 0.0591 n 2.20 0.0866 n1 1.30 1.48 1.66 0.0512 0.0583 0.0654 n2(*) 2.73 2.83 2.93 0.1075 0.1114 0.1154 p(*) 4.73 4.83 4.93 0.1862 0.1902 0.1941 r 1.70 0.0669 r1 0.30 0.0118 r2 0.35 0.40 0.45 0.0138 0.0157 0.0177 r3 0.35 0.40 0.45 0.0138 0.0157 0.0177 r4 0.50 0.0197 t(*) -0.08 0.10 -0.0031 0.0039 aaa(*) 0.1 0.0039 v 45? 45? v1 3? 3? v2 3? 5? 7? 3? 5? 7? v3 12? 15? 18? 12? 15? 18? v4 5? 5? v5 20? 20? flexiwatt25 (smd) (*) golden parameters (**) ? dimension ?f? doesn?t include dam-bar protrusion. ? dimensions "h? and ?l" include mold flash or protrusions. 7993730 b www.datasheet.in
TDA7850LV revision history doc id 17720 rev 2 7/8 3 revision history table 2. document revision history date revision changes 09-jul-2010 1 initial release. 04-aug-2010 2 added section 1: block and pins description diagrams . www.datasheet.in
TDA7850LV 8/8 doc id 17720 rev 2 please read carefully: information in this document is provided solely in connection with st products. stmicroelectronics nv and its subsidiaries (?st ?) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described he rein at any time, without notice. all st products are sold pursuant to st?s terms and conditions of sale. purchasers are solely responsible for the choice, selection and use of the st products and services described herein, and st as sumes no liability whatsoever relating to the choice, selection or use of the st products and services described herein. no license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. i f any part of this document refers to any third party products or services it shall not be deemed a license grant by st for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoev er of such third party products or services or any intellectual property contained therein. unless otherwise set forth in st?s terms and conditions of sale st disclaims any express or implied warranty with respect to the use and/or sale of st products including without limitation implied warranties of merchantability, fitness for a parti cular purpose (and their equivalents under the laws of any jurisdiction), or infringement of any patent, copyright or other intellectual property right. unless expressly approved in writing by an authorized st representative, st products are not recommended, authorized or warranted for use in milita ry, air craft, space, life saving, or life sustaining applications, nor in products or systems where failure or malfunction may result in personal injury, death, or severe property or environmental damage. st products which are not specified as "automotive grade" may only be used in automotive applications at user?s own risk. resale of st products with provisions different from the statements and/or technical features set forth in this document shall immediately void any warranty granted by st for the st product or service described herein and shall not create or extend in any manner whatsoev er, any liability of st. st and the st logo are trademarks or registered trademarks of st in various countries. information in this document supersedes and replaces all information previously supplied. the st logo is a registered trademark of stmicroelectronics. all other names are the property of their respective owners. ? 2010 stmicroelectronics - all rights reserved stmicroelectronics group of companies australia - belgium - brazil - canada - china - czech republic - finland - france - germany - hong kong - india - israel - ital y - japan - malaysia - malta - morocco - philippines - singapore - spain - sweden - switzerland - united kingdom - united states of america www.st.com www.datasheet.in
|
