Description
BUY TDA7377H https://www.utsource.net/itm/p/9254257.html
| Parameter |
Symbol |
Conditions |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
VCC |
|
9 |
|
16 |
V |
| Quiescent Current |
IQ |
VS = 12V |
|
30 |
|
mA |
| Output Power |
PO |
RL=4Ω, THD=10% |
|
50 |
|
W |
| Frequency Response |
fL-fH |
VS = 12V, RL=4Ω |
20 |
|
20k |
Hz |
| Signal-to-Noise Ratio |
SNR |
A-weighted |
|
85 |
|
dB |
| Total Harmonic Distortion |
THD |
PO=1W, RL=4Ω |
|
0.1 |
|
% |
| Input Sensitivity |
VIN |
VS = 12V, PO=1W |
|
200 |
|
mV |
| Input Impedance |
ZIN |
VS = 12V |
|
47 |
|
kΩ |
| Mute Function |
|
|
|
Yes |
|
|
| Short-Circuit Protection |
|
|
|
Yes |
|
|
| Thermal Shutdown |
|
|
|
Yes |
|
|
Instructions for TDA7377H
Power Supply Connection:
- Connect the supply voltage (VCC) between 9V and 16V to the power pins of the TDA7377H.
- Ensure a stable power supply to prevent thermal shutdown.
Input Signal:
- Connect your audio input signal to the input pin with an amplitude that matches the input sensitivity (typically 200mV for 1W output).
- Use an appropriate coupling capacitor if necessary to block any DC component.
Output Configuration:
- Connect the output to a 4Ω speaker load for optimal performance.
- Keep wiring short and use proper shielding to minimize noise.
Thermal Management:
- Ensure adequate heat dissipation as the device can get hot under high power conditions.
- Mount on a heatsink if operating at or near maximum output power.
Protection Features:
- The TDA7377H includes built-in short-circuit protection and thermal shutdown features to protect against damage.
- Monitor the temperature and ensure it does not exceed safe operating limits.
Mute Function:
- Utilize the mute function by applying the correct logic level to the mute pin to disable the output when not in use.
Frequency Response Adjustment:
- Adjust external components like capacitors and resistors connected to the input and output to fine-tune the frequency response if needed.
Signal-to-Noise Ratio Optimization:
- Keep the input signal clean and avoid unnecessary gain stages to maintain a high signal-to-noise ratio.
By following these instructions and parameters, you can effectively utilize the TDA7377H for various audio applications.
(For reference only)
More detail about Utsource Holding Company Limited