this is information on a product in full production. for further information contact your local stmicroelectronics sales office. october 2013 docid025342 rev 1 1/9 FDA2100LV 2 x 180 w / 1 x 300 w pwm digital input power amplifier with built-in diagnostics features and step-up driver data brief - production data features ? integrated 105 db d/a conversion ? i 2 s & tdm digital input (3.3/1.8 v) ? input sampling frequency: 44.1khz, 48 khz, 96 khz, 192 khz ? step-up driver included ? emi control for fm/am compatibility ? dithering possibility ? capable to operate down to 6 v (e.g."start-stop") ? 6 v - 35 v operating range (r l = 8 ) ? low component count output low-pass filter ? output low-pass filter included in the feedback ? low radiation function (lrf) ? high output power capability ? 2 x 80 w/4 @ 25 v, 1 khz, 10 % thd ? 2 x 120 w/4 @ 30 v, 1 khz, 10 % thd ? 1 x 150 w/2 @ 25 v, 1 khz, 10 % thd ? full i 2 c bus driving (3.3/1.8 v): ?i 2 c bus digital diagnostics (including dc and ac load detection); ac and dc loudspeaker diagnostic ? very flexible fault detection through integrated diagnostic ? protected against several kinds of misconnections ? offset detector (play or mute mode) ? two independent short circuit protections ? clipping detector ? c-mos compatible enable pin (3.3/5 v) ? esd protection ? package: tqfp64 exposed pad up description the FDA2100LV is a new bcd technology dual bridge class d amplifier, specially intended for car radio applications. thanks to the bcd6-soi (silicon on insulation) technology it is possible to integrate a high performance d/a converter together with powerful mosfet output amplifier working in class d, to get outstanding efficiency with respect to the standard class ab. the d/a conversion on board allows the performance to reach an outstanding 110 db s/n ratio with 105 db of dynamic range. the feedback loop includes the output l-c low-pass filter, allowing superior frequency response linearity and lower distortion independently of the inductor and capacitor quality. a full diagnostics array communicates the status of each speaker through the i 2 c bus. the possibility to control the device by means of the i 2 c bus makes FDA2100LV very flexible. thanks to the solutions implemented to solve the emi problems, the device can be used in the standard single din car-radio box together with the tuner. a built-in step-up driver allows up to 150 w output power with the standard 14 v supply voltage. the FDA2100LV is moreover compliant to the most recent oem specifications for low voltage operation (so called 'start-stop' battery profile during engine stop), helping car manufacturers to reduce the overall emissions and thus contributing to environment protection. tqfp64 (exposed pad up) * $ * 3 6 table 1. device summary order code package packing FDA2100LV tqfp64 (e.p.u.) tray FDA2100LV-t tape & reel www.st.com
contents FDA2100LV 2/9 docid025342 rev 1 contents 1 block diagram and pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4 revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
docid025342 rev 1 3/9 FDA2100LV block diagram and pins description 9 1 block diagram and pins description figure 1. block diagram figure 2. pins connection diagram (top view) 0 , , ) 3 i n t e r f a c e 3 t e p
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