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december 2011 doc id 022601 rev 1 1/18 1 TDA7265B 30 w + 30 w stereo amplif ier with mute and standby features wide-range supply voltage (up to 35 v abs max.) split supply high output power 30 w + 30 w at thd=10%, r l = 8 , v s 23 v 25 w + 25 w at thd=1%, r l = 8 , v s 23 v no ?pop? at turn-on/off mute (?pop-free?) standby feature (low i q ) short-circuit protection thermal overload protection description the TDA7265B is class-ab dual audio power amplifier assembled in the multiwatt package, especially designed for high-quality sound applications such as home entertainment systems and stereo tv sets. the device is pin-to-pin compatible with the tda7265, tda7269a and tda7292. figure 1. typical application circuit in split supply table 1. device summary order code package packing TDA7265B multiwatt11 (vertical) tube multiwatt11 (vertical) +5v 1 8 k 15k in (l) 1 f 15k 1 f mute/ s t-by gnd in (r) 1 f 4.7 4.7 100nf 100nf out (l) out (r) 1000 m f 1000 f +v s 3 5 7 9 6 11 2 4 + + - - d94au085 rl (l) rl (r) -v s p 560 1 8 k in- (l) 8 10 in- (r) 1 560 1 8 k www.st.com
contents TDA7265B 2/18 doc id 022601 rev 1 contents 1 pin connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2 electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.1 absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.2 thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2.3 electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 typical operating char acteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 4 mute standby function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 5 applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5.1 stereo configuration circuit and pcb layout . . . . . . . . . . . . . . . . . . . . . . . 11 5.2 application suggestions for stereo configuration . . . . . . . . . . . . . . . . . . . 13 5.3 single supply circuit configuration and pcb layout . . . . . . . . . . . . . . . . . 14 6 package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 7 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
TDA7265B list of tables doc id 022601 rev 1 3/18 list of tables table 1. device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 table 2. absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 3. thermal data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 4. electrical characteristcs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 table 5. recommended values of the external components in the TDA7265B demonstration board schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 6. mute, standby truth table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 table 7. document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
list of figures TDA7265B 4/18 doc id 022601 rev 1 list of figures figure 1. typical application circuit in split supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 figure 2. pin connections (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 figure 3. quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 4. frequency response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 5. thd vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 6. output power vs. supply voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 figure 7. quiescent current vs. pin 5 voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 8. attenuation vs. pin 5 voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 9. crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 10. power dissipation vs. output power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 figure 11. mute/standby thresholds on pin 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 figure 12. test and application circuit (stereo configuration) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 13. soldering side (bottom). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 figure 14. component side (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 15. components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 figure 16. typical application circuit in single supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 17. soldering side (bottom). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 figure 18. component side (top) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 19. components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 figure 20. multiwatt 11 (vertical) mechanical data & package dimensions . . . . . . . . . . . . . . . . . . . . . 16
TDA7265B pin connections doc id 022601 rev 1 5/18 1 pin connections figure 2. pin connections (top view) 1 2 3 4 5 6 7 9 10 11 8 in+(1) in-(1) gnd in-(2) in+(2) -v s mute/st-by output(2) +v s output(1) -v s tab connected to pin 6 d95au316
electrical specifications TDA7265B 6/18 doc id 022601 rev 1 2 electrical specifications 2.1 absolute maximum ratings 2.2 thermal data 2.3 electrical characteristics refer to the test circuit, v s = 23 v; r l = 8 ; r s = 50 ; g v = 30 db; f = 1 khz; tamb = 25 c, unless otherwise specified. table 2. absolute maximum ratings symbol description value unit v s dc supply voltage 35 v i o output peak current (internally limited) 5 a p tot power dissipation t case = 70 c 40 w t op operating temperature -20 to 85 c t stg, t j storage and junction temperature -40 to +150 c table 3. thermal data symbol parameter value unit r th j case thermal resistance junction-casetyp. 1.5 c/w table 4. electrical characteristcs symbol parameter test condition min. typ. max. unit v s supply range 8 33 v i q total quiescent current 50 130 ma v os input offset voltage ?20 +20 mv i b non-inverting input bias current 500 na p o output power thd = 10%; r l = 8 30 w thd = 1%; r l = 8 25 w i peak output peak current (int ernally limited) 3.6 4 a thd total harmonic distortion r l = 8 , po = 1 w 0.02 % c t crosstalk f = 1 khz 70 db sr slew rate 11 v/ms gol open-loop voltage gain 80 db e n total input noise f = 20 hz ? 22 khz 4 v ri input resistance 20 k
TDA7265B electrical specifications doc id 022601 rev 1 7/18 svr supply voltage rejection 75 db tj thermal shutdown 145 c mute function { ref.: +vs } vtmute mute / play threshold -7 -6 -5 v am mute attenuation 75 db standby function { ref.: +vs } vtst-by standby / mute threshold -3.5 -2.5 -1.5 v ast-by standby attenuation 110 db i q quiescent current at standby 8 ma table 4. electrical characteristcs (continued) symbol parameter test condition min. typ. max. unit
typical operating characteristics TDA7265B 8/18 doc id 022601 rev 1 3 typical operating characteristics figure 3. quiescent current vs. supply voltage figure 4. frequency response i q (ma) i q + i q - v s (+/-v) 3 0 3 5 40 45 50 55 8 10 12 14 16 1 8 20 22 24 26 2 83 0 3 2 3 4 i q (ma) i q + i q - v s (+/-v) 3 0 3 5 40 45 50 55 8 10 12 14 16 1 8 20 22 24 26 2 83 0 3 2 3 4 i q + i q - v s (+/-v) 3 0 3 5 40 45 50 55 8 10 12 14 16 1 8 20 22 24 26 2 83 0 3 2 3 4 3 0 3 5 40 45 50 55 8 10 12 14 16 1 8 20 22 24 26 2 83 0 3 2 3 4 -5 +5 -4 - 3 -2 -1 +0 +1 +2 + 3 +4 10 200 k 20 50 100 200 500 1k 2k 5k 10k 20k 50k v s =+/-2 3 v rl = 8 ohm 0db = 1w fre q (hz) ampl (db) -5 +5 -4 - 3 -2 -1 +0 +1 +2 + 3 +4 10 200 k 20 50 100 200 500 1k 2k 5k 10k 20k 50k v s =+/-2 3 v rl = 8 ohm 0db = 1w fre q (hz) ampl (db) figure 5. thd vs. output power figure 6. output power vs. supply voltage 0.01 10 0.02 0.05 0.1 0.2 0.5 1 2 5 100m 40 200m 500m 1 2 5 10 20 v s = +/-2 3 v rl= 8 ohm f = 1khz f = 15khz pout (w) thd (%) 0 5 10 15 20 25 3 0 3 5 40 45 50 10 12 14 26 2 8 20 22 24 26 2 83 0 rl = 8 ohm f = 1kz v s (+/- v) po u t(w) thd=10 % thd=1 %
TDA7265B typical operating characteristics doc id 022601 rev 1 9/18 figure 7. quiescent current vs. pin 5 voltage figure 8. attenuation vs. pin 5 voltage 0 10 20 3 0 40 50 60 70 8 0 90 100 -10 -9 - 8 -7 -6 -5 -4 - 3 -2 -1 0 vpin # 5 (v) iq (ma) vs=+/-20v rl=8ohm 0v = +vs vi = 0 -100 +10 -90 - 8 0 -70 -60 -50 -40 - 3 0 -20 -10 +0 -10 -0 -9 - 8 -7 -6 -5 -4 - 3 -2 -1 atten ua tion (db) vpin #5 (v) v s =+/-20v rl= 8 ohm f =1khz odb = 1v 0v = +v s -100 +10 -90 - 8 0 -70 -60 -50 -40 - 3 0 -20 -10 +0 -10 -0 -9 - 8 -7 -6 -5 -4 - 3 -2 -1 atten ua tion (db) vpin #5 (v) v s =+/-20v rl= 8 ohm f =1khz odb = 1v 0v = +v s figure 9. crosstalk vs. frequency figure 10. power dissipation vs. output power - 8 0 - 3 0 -75 -70 -65 -60 -55 -50 -45 -40 - 3 5 20 20k 50 100 200 500 1k 2k 5k 10k v s =+/- 26v rl = 8 ohm r s =50 ohm left to right ri g ht to left cro ss t a lk (db) fre qu ency (hz) - 8 0 - 3 0 -75 -70 -65 -60 -55 -50 -45 -40 - 3 5 20 20k 50 100 200 500 1k 2k 5k 10k v s =+/- 26v rl = 8 ohm r s =50 ohm left to right ri g ht to left cro ss t a lk (db) fre qu ency (hz) 0 5 10 15 20 25 3 0 3 5 40 0.1 1 10 100 rl = 8 ohm f = 1khz v s =+/-24v (a) v s =+/-20v (b) a b pdi ss (w) 2xpo u t (w)
mute standby function TDA7265B 10/18 doc id 022601 rev 1 4 mute standby function pin 5 (mute/st-by) controls the amplifier status using two different thresholds with reference to +v s : when v pin5 is greater than or equal to +v s - 2.5 v, the amplifier is in standby mode and the final stage generators are off when v pin5 is between +v s - 2.5v and +v s 6 v, the final stage current generators are switched on and the amplifier is in mute mode when v pin5 is less than +v s - 6 v, the amplifier is in play mode. figure 11. mute/standby thresholds on pin 5 t off stdby mute mute mute mute play stdby play off stdby 26 +v s (v) -26 -v s v in (mv) vpin5 (v) v s v s -2.5 v s- 6 v s -10 i q (ma) 0 vout (v) d04au1570
TDA7265B applications doc id 022601 rev 1 11/18 5 applications 5.1 stereo configuration circuit and pcb layout figure 12. test and application circuit (stereo configuration) figure 13. soldering side (bottom) r 3 in (l) c1 r2 c 3 mute/ s t-by gnd in (r) c2 r7 r10 c 8 c9 out (l) out (r) c6 c4 +v s 3 5 7 9 6 11 2 4 + + - - d94au087b rl (l) rl (r) +v s -v s r9 r5 in- (l) 8 10 in- (r) 1 s w1 r1 dz r4 s w2 c7 r 8 r6 c5 q1 s t-by mute
applications TDA7265B 12/18 doc id 022601 rev 1 figure 14. component side (top) figure 15. components
TDA7265B applications doc id 022601 rev 1 13/18 5.2 application suggestions for stereo configuration the recommended values of the external components are those shown in the application circuit of figure 12 . if different values are used, the following table can be helpful. table 5. recommended values of the external components in the TDA7265B demonstration board schematic table 6. mute, standby truth table component recomm. value purpose larger than recommended value smaller than recommended value r1 10 k mute circuit increase of dz biasing current r2 15 k mute circuit v pin # 5 shifted downward v pin # 5 shifted upward r3 18 k mute circuit v pin # 5 shifted upward v pin # 5 shifted downward r4 15 k mute circuit v pin # 5 shifted upward v pin # 5 shifted downward r5, r8 18 k closed-loop gain setting (1) 1. closed-loop gain has to be 29 db increase of gain r6, r9 560 decrease of gain r7, r10 4.7 frequency stability danger of oscillations danger of oscillations c1, c2 1 f input dc decoupling higher low-frequency cutoff c3 1 f st-by/mute time constant large r on/off time smaller on/off time c4, c6 1000 f supply voltage bypass danger of oscillations c5, c7 0.1 f supply voltage bypass danger of oscillations c8, c9 0.1 f frequency stability dz 5.1 v mute circuit q1 bc107 mute circuit sw1 sw2 b a standby b b standby aa mute ab play
applications TDA7265B 14/18 doc id 022601 rev 1 5.3 single supply circuit configuration and pcb layout figure 16. typical application circuit in single supply figure 17. soldering side (bottom) play 5v r2 15k in (l) c3 1 f r1 10k c1 1 f mute in (r) c4 1 f r8 4.7 r7 1k c7 0.1 f out (l) out (r) c5 1000 f +v s 3 5 7 9 6 11 2 4 + + - - d96au444a out (l) out (r) gnd r4 30k in- (l) 8 10 in- (r) 1 r5 1k r6 30k r9 4.7 c9 470 f c10 470 f c8 0.1 f r3 15k 0 mute q1 bs107 c6 0.1 f d1 5.1v c2 100 f
TDA7265B applications doc id 022601 rev 1 15/18 figure 18. component side (top) figure 19. components
package mechanical data TDA7265B 16/18 doc id 022601 rev 1 6 package mechanical data 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 20. multiwatt 11 (vertical) mechanical data & package dimensions outline and mechanical data 0016035 h dim. mm inch min. typ. max. min. typ. max. a50.197 b 2.65 0.104 c 1.6 0.063 d 1 0.039 e 0.49 0.55 0.019 0.022 f 0.88 0.95 0.035 0.037 g 1.45 1.7 1.95 0.057 0.067 0.077 g1 16.75 17 17.25 0.659 0.669 0.679 h1 19.6 0.772 h2 20.2 0.795 l 21.9 22.2 22.5 0.862 0.874 0.886 l1 21.7 22.1 22.5 0.854 0.87 0.886 l2 17.4 18.1 0.685 0.713 l3 17.25 17.5 17.75 0.679 0.689 0.699 l4 10.3 10.7 10.9 0.406 0.421 0.429 l7 2.65 2.9 0.104 0.114 m 4.25 4.55 4.85 0.167 0.179 0.191 m1 4.73 5.08 5.43 0.186 0.200 0.214 s 1.9 2.6 0.075 0.102 s1 1.9 2.6 0.075 0.102 dia1 3.65 3.85 0.144 0.152 multiwatt11 (vertical)
TDA7265B revision history doc id 022601 rev 1 17/18 7 revision history table 7. document revision history date revision changes 19-dec-2011 1 initial release.
TDA7265B 18/18 doc id 022601 rev 1 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 two authorized st representatives, 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. ? 2011 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

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