TDA7297 amplifier circuit diagram stereo board. Complete stereo amplifier circuit including printed circuit board to power of 2 × 15 Watts. Using minimum of components in the integrated circuit TDa7297 ST Microelectronics. This IC presents in its interior two bridge amplifiers, making it useful for use where a stereo amplifier need easy assembly. May operate with voltages 6-18 volts and has protection against excess temperature. The TDA7297 is a dual bridge amplifier specially designed for TV and Portable Radio applications.
About the TDA7297 amplifier circuit diagram stereo board
- Wide supply voltage range (6v -18v)
- minimum external components
- no SVR capacitor
- no bootstrap
- no Boucherot cells
- internally fixed gain
- stand-by & mute functions
- short circuit protection
- thermal overload protection
Suggested printed circuit board (PCB) for TDA7297 amplifier circuit diagram stereo board
BOM for assembling the circuit with TDA7297
|Resistors 1/4 W 5%|
|R1||1.5K – Brown, Green, Red, Gold|
|R2, R3||47K – Yellow, Violet, Orange, Gold|
|R4, R5||47K – Yellow, Violet, Orange, Gold|
|R6, R7||2.2K – Red, Red, Red, Gold|
|C1||1000µF a 2200µF/25V — Polarized Electrolytic Capacitor|
|C2||100nF — Ceramic Capacitor|
|C3||10µF/25V — Polarized Electrolytic Capacitor|
|C4, C5||470nF /100V — Polyester Capacitor|
|C6, C7||220pF — Ceramic Capacitor|
|IC1||TDA7297 or tda7297sa – Bridge stereo audio amplifier integrated circuit -ST Microelectronics|
|LED||Red Led 5 mm|
|VCC||Terminal block 2 pin 5.08 mm — Power supply connector.|
|IN||3-pin 2.54 mm connector JST-XH-03 – Audio input connector|
|OUT1||Terminal block 2 pin 5.08 mm — Audio Out Connector 1|
|OUT2||Terminal block 2 pin 5.08 mm — Audio out connector 2|
|J1||J12MM – 12 mm piece of wire|
|P1||47K or 50K – Double logarithmic or linear potentiometer|
|Solder, Wires, PCB, Box, 9 to 18 Volt /2 Amp* power supply, etc.|
Download PDF Files to assemble the amplifier Tda7297 Datasheet, PCB, PCB Component Layout, PCB Silk, Schematic.
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