data brief for further information contact your local stmicroelectronics sales office. december 2009 doc id 15022 rev 2 1/8 8 tda7801 digital input quad power amplifier with built-in diagnostics features features integrated 110 db d/a conversion i 2 s digital input (3.3/1.8 v) with tdm option selectable input sampling frequency: 44.1 khz, 48 khz, 96 khz, 192 khz mosfet power outputs high output power capability 4x28 w/ 4 @ 14.4 v, 1 khz, 10 % thd max. output power 4x72 w/2 full i 2 c bus driving (3.3/5 v): ? independent front/rear soft play/ mute ? selectable gain (four levels) for very low noise line-out function ?i 2 c bus digital diagnostics (including dc and ac load detection) two i 2 c bus addresses and 8-ch tdm mode (only in powerso package) optional non i 2 c bus mode offset detector (play or mute mode) clipping detector (selectable level and independent front/rear) and diagnostics pin cmos compatible enable pin (3.3/5 v) full fault protection four independent short circuit protections thermal protection (four levels) esd protection description the tda7801 is a new bcd technology quad bridge amplifier for car audio applications. thanks to the bcd6 techno logy it is possible to integrate a high performance d/a converter together with powerful mosfet outputs. the possibility of having the d/a conversion on board allows the performance to reach an outstanding 115 db s/n ratio with more than 105 db of dynamic range. this device is equipped with a full diagnostics array that communicates the status of each speaker through the i 2 c bus. the possibility to control the configuration and behavior of the device by means of the i 2 c bus makes tda7801 a very flexible machine. powerso36 flexiwatt27 (vertical) flexiwatt27 (smd) (slug-up) flexiwatt27 (horizontal) table 1. device summary order code package packing TDA7801PD powerso36 (slug-up) tube tda7801 flexiwatt27 (vertical) tube tda7801h flexiwatt27 (horizontal) tube tda7801sm flexiwatt27 (smd) tube www.st.com
block diagram and pins description tda7801 2/8 doc id 15022 rev 2 1 block diagram and pins description 1.1 block diagram figure 1. block diagram (flexiwatt27) i2s interface interpol. + noise shaper current generators array current generators array current generators array current generators array fully balanced transresistance power filter fully balanced transresistance power filter fully balanced transresistance power filter fully balanced transresistance power filter st-by pll pllfil/enable sck ws sd1_3 d3v dgnd pw_gnd agnd a3v vcc outlf+ outlf- outlr+ outlr- outrf+ outrf- outrr+ outrr- cd/diag i 2 c 16 14 3 1 17 15 25 19 9 7 21 10 8 6 4 18 20 22 24 2 5 11 12 13 23 27 26 i 2 c diagn. scrambler sscrambler scrambler scrambler sd2_4 tab ac00698
tda7801 package information doc id 15022 rev 2 3/8 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 2. powerso36 (slug-up) mechanical data and package dimensions outline and mechanical data dim. mm inch min. typ. max. min. typ. max. a 3.270 - 3.410 0.1287 - 0.1343 a2 3.100 - 3.180 0.1220 - 0.1252 a4 0.800 - 1.000 0.0315 - 0.0394 a5 - 0.200 - - 0.0079 - a1 0.030 - -0.040 0.0012 - -0.0016 b 0.220 - 0.380 0.0087 - 0.0150 c 0.230 - 0.320 0.0091 - 0.0126 d 15.800 - 16.000 0.6220 - 0.6299 d1 9.400 - 9.800 0.3701 - 0.3858 d2 - 1.000 - - 0.0394 - e 13.900 - 14.500 0.5472 - 0.5709 e1 10.900 - 11.100 0.4291 - 0.4370 e2 - - 2.900 - - 0.1142 e3 5.800 - 6.200 0.2283 - 0.2441 e4 2.900 - 3.200 0.1142 - 0.1260 e - 0.650 - - 0.0256 - e3 - 11.050 - - 0.4350 - g 0 - 0.075 0 - 0.0031 h 15.500 - 15.900 0.6102 - 0.6260 h - - 1.100 - - 0.0433 l 0.800 - 1.100 0.0315 - 0.0433 n - - 10? - - 10? s - -8?- -8? (1) ?d and e1? do not include mold flash or protusions. mold flash or protusions shall not exceed 0.15mm (0.006?). (2) no intrusion allowed inwards the leads. powerso36 (slug up) 7183931 g
package information tda7801 4/8 doc id 15022 rev 2 figure 3. flexiwatt27 (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 25.75 26.00 26.25 1.014 1.023 1.033 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 v5? (typ.) v1 3? (typ.) v2 20? (typ.) v3 45? (typ.) (1): dam-bar protusion not included (2): molding protusion included flexiwatt27 (vertical) h3 r4 g v v g1 l2 h1 h f m1 l flex27me v3 o l3 l4 h2 r3 n v2 r r2 r2 c b l1 m r1 l5 r1 r1 e d a v1 v1 7139011 pin 1
tda7801 package information doc id 15022 rev 2 5/8 figure 4. flexiwatt27 (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 0.80 1.00 1.20 0.031 0.040 0.047 g1 25.75 26.00 26.25 1.014 1.023 1.033 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.) flexiwatt27 (horizontal) (1): dam-bar protusion not included; (2): molding protusion included 7399738 a
package information tda7801 6/8 doc id 15022 rev 2 figure 5. flexiwatt27 (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 25.70 26.00 26.30 1.0118 1.0236 1.0354 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? flexiwatt27 (smd) 7993733 b (*) golden parameters (**) ? dimension ?f? doesn?t include dam-bar protrusion. ? dimensions "h? and ?l" include mold flash or protrusions.
tda7801 revision history doc id 15022 rev 2 7/8 3 revision history table 2. document revision history date revision changes 12-sep-2008 1 initial release. 10-dec-2009 2 updated figure 2: powerso36 (slug-up) mechanical data and package dimensions on page 3 .
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