Wednesday, November 24, 2010
This is a circuit schematic for the mini power amplifer using TDA1015T, based on the application circuit from the datasheet. Not many external components are needed to complete at full 0.5W power amplifier. This is without its pre-amp but not many more components are required to add that to the circuit.
Rangkaian Mini Amplifier TDA1015TA volume control is included in schematic. Log type is required and 4k7 to 10k is about right. A dual pot is needed if you plan on using two TDA1015's to complete a stereo amp.
Chances are you'll want this amplifier portable. Batteries do the trick fine, but you won't get much power out of a couple of 1.5V cells. Unfortunately the size of a decent amount of battery power will mean that the overall size of this amp will be much bigger and for that there are more benefits to be had using a device like the TDA7052 or TDA2822 for stereo.
Chances are you'll want this amplifier portable. Batteries do the trick fine, but you won't get much power out of a couple of 1.5V cells. Unfortunately the size of a decent amount of battery power will mean that the overall size of this amp will be much bigger and for that there are more benefits to be had using a device like the TDA7052 or TDA2822 for stereo.
Quick ref data of TDA1015T Chip
- Supply voltage range: 3,6 to 12 V
- Peak output current: 1 A
- Output power: 0,5 W
- Voltage gain power amplifier: 29 dB
- Voltage gain preamplifier: 23 dB
- Total quiescent current: 22 mA
- Operating ambient temperature range: -25 to +150 °C
- Storage temperature range: -55 to + 150 °C
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