Description
BUY TAS5142 https://www.utsource.net/itm/p/12610815.html
Parameter |
Description |
Min |
Typ |
Max |
Unit |
Supply Voltage (VDD) |
Operating supply voltage |
4.5 |
|
18 |
V |
Quiescent Current |
Current consumption in idle state |
|
20 |
|
mA |
Output Power |
Maximum output power into 4Ω load, THD+N=1% |
|
2.5 |
|
W |
Efficiency |
Efficiency at 1W output into 4Ω |
|
90 |
|
% |
SNR |
Signal-to-noise ratio |
|
105 |
|
dB |
THD+N |
Total harmonic distortion plus noise |
|
0.05 |
|
% |
PSRR |
Power supply rejection ratio |
|
75 |
|
dB |
Input Sensitivity |
Differential input sensitivity |
|
200 |
|
mVrms |
Gain |
Input gain |
|
20 |
|
dB |
Instructions for Use
Power Supply Requirements:
- Ensure the supply voltage (VDD) is within the range of 4.5V to 18V.
- Use a stable and clean power supply to minimize noise and interference.
Input Connection:
- Connect the differential audio input signals to the designated pins.
- Adjust the input sensitivity as needed using external components or internal settings if available.
Output Configuration:
- The TAS5142 is designed to drive a 4Ω load. Verify the load impedance matches this specification to achieve optimal performance.
- Monitor the output power to avoid exceeding the maximum rated power, which could lead to distortion or damage.
Thermal Management:
- Ensure adequate heat dissipation by mounting the device on a heatsink or PCB with sufficient copper area.
- Keep the operating temperature within safe limits to prevent overheating.
Efficiency Considerations:
- For best efficiency, operate the amplifier at moderate output levels where it can maintain high efficiency without significant loss.
Signal Quality:
- To achieve the specified SNR and THD+N, use high-quality input sources and keep signal paths short and shielded from interference.
Power-Up Sequence:
- Follow the recommended power-up sequence if specified in the datasheet to ensure proper initialization and operation of the device.
Protection Features:
- Review the protection features included in the TAS5142, such as thermal shutdown and short-circuit protection, to understand how they function and can be utilized.
For detailed specifications and additional instructions, refer to the official datasheet provided by the manufacturer.
(For reference only)
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