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TDA7575BPD Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7575BPD Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 32 page  October 2007 Rev 1 1/32 1 TDA7575B 2 x 75W multifunction dual-bridge power amplifier with integrated digital diagnostics Features ■ Multipower bcd technology ■ MOSFET output power stage ■ DMOS power output ■ New Hi-efficiency (class AB) ■ Single-channel 1Ω driving capability ■ High output power capability 2x28W/4Ω @ 14.4V, 1KHz, 10% THD ■ Max. output power 2x75W/2Ω, 1x150W/1Ω ■ Single-channel 1Ω driving capability – 84W undistorted power – Full I2C bus driving with 4 address possibilities: - St-by - Play/mute - Gain 12/26dB - Full digital diagnostic (AC and DC loads) ■ Possibility to disable the I2C bus ■ Differential inputs ■ Full fault protection ■ DC offset detection ■ Two independent short circuit protections ■ Diagnostic on clipping detector with selectable threshold (2%/10%) ■ Clipping detector as diagnostic pin when I2C bus is disabled ■ St-by/mute pins ■ ESD protection Description The TDA7575B is a new MOSFET dual bridge amplifier specially intended for car radio applications. Thanks to the DMOS output stage the TDA7575B has a very low distortion allowing a clear powerful sound. Among the features, its superior efficiency performance coming from the internal exclusive structure, makes it the most suitable device to simplify the thermal management in high power sets.The dissipated output power under average listening condition is in fact reduced up to 50% when compared to the level provided by conventional class AB solutions. This device is equipped with a full diagnostic array that communicates the status of each speaker through the I2C bus. The TDA7575B has also the possibility of driving loads down to 1 Ω paralleling the outputs into a single channel. It is also possible to disable the I2C and control the TDA7575B by means of the usual ST-BY and MUTE pins. PowerSO36 (Slug up) Flexiwatt 27 Table 1. Device summary Order code Package Packing TDA7575B Flexiwatt 27 Tube TDA7575BPD PowerSSO36 (slug up) Tube TDA7575BPDTR PowerSSO36 (slug up) Tape and reel www.st.com |
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