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|14th January 2015, 10:28 AM||#1|
Join Date: Jun 2003
Location: Hamilton, was Ottawa (Canada)
TDA7294, NMOS, A1 KIT 106 PCB good?
TDA7294: 100V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY
Looks like TDA7293, but without the pin8 buffer driver input/output for easy paralleling. Pinout are the same besides this.
TDA7294 ds sch.jpg
The TDA7294 datasheet has the entire block diagram for the TDA729X
TDA7294 block dia.jpg
that's close to the TDA7293
TDA7293 DMOS block dia.jpg
The DS also has an alternate PCB:
TDA7294 ds pcb.jpg
than the TDA7293 datasheet:
TDA7293 ds pcb.jpg
I have the classic A1 KIT 106:
Amplifiers (about 1/5 down)
It uses this simple schematic:
A1 KIT 106 TDA7294 sch.jpg
And here's what the PCB looks like:
So any experience with the TDA7294 besides?
Optimizing TDA7294 Output
Is it exactly a 7293 just without the pin8 parallel function?
Is the A1 Kit 106 PCB any good? PS HF and MF bypassing, input, Vp and Vs, ?
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