Tuesday, September 9, 2014
TDA8560Q Audio amplifier 2x40W
TDA8560Q general description:
Unfortunately, some of the proposed scheme in the network and even a scheme recommended by the developer (Philips), fail to achieve the desired result. As an example of how not to suggest that you include the TDA8560 material published on Online Soldering: Car Amplifier 2x40 Watt (I should note that everything except the input circuits and the number of points on diet, still deserves attention). the initial inclusion of IMS (at power up, the load is connected and there is no input signal) can throw you into a state of perplexity / mild shock (it depends on the degree of hope is for your TDA). Chip is unstable, there are noises when the input signal is amplified last weakly and passed with distortions. IC bypass surgery fixed resistor at the input, the other measures in consultation with the source device does not help. Why and what to do? Really caught Palen chip and will have to buy a new one? Not so fast! The fact that Philips did not include measures to prevent the self-excitation of the IC, but I think they know about it, but do not tell anyone (not good, gentlemen!) Rid chip excitement can (and should) in a way that is not described here. This is so far, my little secret. Usually TDA 8560 include approximately recommend the following scheme: TDA8560Q Audio amplifier 2x40W
TDA8560Q Features:
- Supply voltage: 6 - 18; typical 14.4 V.
- The peak output current: 7.5 A.
- The current in idle mode: 120 mA.
- Long-term power output, with
- RL = 4 ohms, THD = 10%, F = 1 kHz, 25 W,
- RL = 2 ohms, THD = 10%, F = 1kHz: 40W.
- Voltage gain, Au: 40 dB.
- Input Impedance: 30 ohms.
- Input Sensitivity: 100 mV.
- Frequency response: 20 - 20000 Hz.
- Requires very few external components
- High output power
- Low output offset voltage
- Fixed gain
- Diagnostic facility (distortion, short-circuit and temperature detection)
- Good ripple rejection
- Mode select switch (operating, mute and standby)
- Load dump protection
- Short-circuit safe to ground, to VP and across the load
- Low power dissipation in any short-circuit condition
- Thermally protected
- Reverse polarity safe
- Electrostatic discharge protection
- No switch-on/switch-off plop
- Flexible leads
- Low thermal resistance.
TDA8560Q amplifier diagram, circuit:
TDA8560Q layout:
Datasheet for TDA8560Q: Download
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