Details

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BUY TDA8950TH/N1,118 https://www.utsource.net/itm/p/12593406.html

Parameter	Symbol	Min	Typ	Max	Unit	Conditions / Notes
Supply Voltage	Vcc	4.5	5.0	5.5	V	Main supply voltage
Standby Current	Istandby	-	0.5	1.0	mA	Quiescent current in standby mode
Operating Current	Iop	20	30	40	mA	Typical operating current
Output Power	Pout	1.5	2.5	3.5	W	Maximum output power into 8Ω load
Total Harmonic Distortion	THD	-	0.1	0.5	%	At 1kHz, 1W output power
Signal-to-Noise Ratio	SNR	70	80	90	dB	A-weighted, referenced to 1W output power
Input Sensitivity	Vin	200	300	400	mVrms	For 1W output power
Input Impedance	Zin	10	20	30	kΩ	Differential input impedance
Shutdown Voltage	Vshutdown	0.8	1.0	1.2	V	Threshold for shutdown
Thermal Shutdown	Tshutdown	-	150	160	°C	Temperature at which the device enters thermal shutdown
Operating Temperature	Top	-40	25	85	°C	Ambient temperature range
Storage Temperature	Tstg	-65	-	150	°C	Temperature range for storage

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage is within the specified range (4.5V to 5.5V) to avoid damage.
   • Use a stable and well-filtered power source to minimize noise.

2. Standby Mode:

   • To enter standby mode, apply a voltage below the shutdown threshold (0.8V to 1.2V) to the shutdown pin.
   • In standby mode, the device draws minimal current (0.5mA to 1.0mA).

3. Operating Mode:

   • Apply a differential input signal within the specified sensitivity range (200mVrms to 400mVrms) for optimal performance.
   • Ensure the input impedance is matched to the source to avoid signal degradation.

4. Thermal Management:

   • The device will automatically enter thermal shutdown if the junction temperature exceeds 150°C.
   • Use appropriate heat sinks or cooling solutions to maintain the operating temperature within the recommended range (-40°C to 85°C).

5. Output Configuration:

   • Connect the output to an 8Ω load for maximum power transfer.
   • Ensure the load is properly matched to avoid overheating and potential damage.

6. Signal-to-Noise Ratio:

   • The SNR is measured with an A-weighted filter and is referenced to 1W output power.
   • Use high-quality audio sources and cables to maintain the best possible SNR.

7. Storage:

   • Store the device in a dry environment within the specified temperature range (-65°C to 150°C) to prevent damage.

8. Handling:

   • Handle the device with care to avoid static discharge, which can damage sensitive components.
   • Follow standard ESD (Electrostatic Discharge) precautions during assembly and testing.

(For reference only)