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TDA7294SV Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7294SV Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 13 page  TDA7294S 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY VERY HIGH OPERATING VOLTAGE RANGE ( ±45V) DMOS POWER STAGE HIGH OUTPUT POWER (100W @ THD = 10%, RL =8 Ω,VS = ±40V MUSIC POWER) MUTING/STAND-BY FUNCTIONS NO SWITCH ON/OFF NOISE VERY LOW DISTORTION VERY LOW NOISE SHORT CIRCUIT PROTECTION THERMAL SHUTDOWN CLIP DETECTOR MODULARITY (MORE DEVICES CAN BE EASILY CONNECTED IN PARALLEL TO DRIVE VERY LOW IMPEDANCES) DESCRIPTION The TDA7294S is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Top- class TV). Thanks to the wide voltage range and to the high out current capability it is able to sup- ply the highest power into both 4 Ω and 8Ω loads. The built in muting function with turn on delay simplifies the remote operation avoiding switching on-off noises. Parallel mode is made possible by connecting more device through of pin11. High output power can be delivered to very low impedance loads, so optimizing the thermal dissipation of the system. June 2000 ® IN- 2 R2 680 Ω C2 22 µF C1 470nF IN+ R1 22K 3 R3 22K - + MUTE STBY 4 VMUTE VSTBY 10 9 SGND MUTE STBY R4 22K THERMAL SHUTDOWN S/C PROTECTION R5 10K C3 10 µFC4 10µF 1 STBY-GND C5 22 µF 713 14 6 15 8 -Vs -PWVs BOOTSTRAP OUT +PWVs +Vs C9 100nF C8 1000 µF -Vs D97AU805A +Vs C7 100nF C6 1000 µF BUFFER DRIVER 11 BOOT LOADER 12 5 VCLIP CLIP DET (*) (*) see Application note (**) for SLAVE function (**) Figure 1: Typical Application and Test Circuit Multiwatt15 ORDERING NUMBER: TDA7294SV MULTIPOWER BCD TECHNOLOGY 1/13 |
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