Details

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BUY TDA7293HS https://www.utsource.net/itm/p/1887837.html
120V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	Vcc	8	-	40	V
Quiescent Current	Iq	-	150	-	mA
Output Power (THD = 1%)	Pout	-	160	-	W
Frequency Response	f	20	-	20,000	Hz
Signal-to-Noise Ratio	SNR	-	105	-	dB
Total Harmonic Distortion	THD	-	0.05	-	%
Input Sensitivity	Vin	-	1.0	-	V
Input Impedance	Zin	-	47	-	kΩ
Damping Factor	DF	-	200	-	-
Operating Temperature Range	Toper	-40	-	125	°C
Storage Temperature Range	Tstg	-65	-	150	°C

Instructions for TDA7293HS

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 8V to 40V.
   • Use a well-regulated power supply to avoid voltage fluctuations that can affect performance.

2. Heat Dissipation:

   • The TDA7293HS is designed to handle high power output but requires adequate heat dissipation to prevent overheating.
   • Mount the device on a heatsink with sufficient surface area and thermal conductivity.

3. Input Signal:

   • The input sensitivity is typically 1.0V. Adjust the input signal level to match this value for optimal performance.
   • Use appropriate input coupling capacitors to block any DC component from the input signal.

4. Output Configuration:

   • Connect the output to the speaker using wires of appropriate gauge to minimize resistance and ensure stable operation.
   • For stereo applications, use two TDA7293HS devices, one for each channel.

5. Protection Circuits:

   • The device includes built-in protection circuits for thermal overload, short-circuit, and overvoltage conditions.
   • Do not bypass these protection circuits as they are essential for the safe operation of the device.

6. Grounding:

   • Ensure a common ground connection between the power supply, input source, and load to avoid ground loops and potential noise issues.

7. Capacitor Selection:

   • Use high-quality electrolytic capacitors for the power supply decoupling and output coupling to maintain stability and reduce noise.
   • Recommended values for decoupling capacitors are 1000μF in parallel with 0.1μF ceramic capacitors.

8. Layout Considerations:

   • Keep the layout compact to minimize parasitic inductances and capacitances.
   • Route high-current paths away from sensitive analog signals to reduce interference.

9. Testing:

   • Before final assembly, test the device with a known good signal source and load to verify proper operation.
   • Monitor the temperature and current draw during testing to ensure the device is operating within its specified limits.

10. Storage:

    • Store the device in a dry, cool environment to prevent moisture damage and degradation.
    • Handle the device with care to avoid mechanical stress or damage to the pins.

By following these instructions, you can ensure the TDA7293HS operates reliably and efficiently in your audio application.

(For reference only)