Details

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BUY TBA331 https://www.utsource.net/itm/p/1406801.html
LINEAR INTEGRATED CIRCUIT

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	4.5	5	5.5	V	Operating voltage range
Quiescent Current	IQ	-	10	-	mA	Current consumption in standby mode
Output Power	POM	-	2.5	-	W	Maximum output power
Total Harmonic Distortion	THD	-	0.1	-	%	Distortion at rated output power
Signal-to-Noise Ratio	SNR	-	90	-	dB	Ratio of signal to noise
Input Sensitivity	Vi	-	200	-	mV	Voltage level for full output
Frequency Response	FR	20	-	20k	Hz	Range of frequencies supported

Instructions for TBA331

1. Power Supply Connection:

   • Connect the supply voltage (Vcc) between 4.5V and 5.5V to the Vcc pin.
   • Ensure a stable power supply to avoid distortion or damage.

2. Input Connection:

   • Connect the audio input signal to the input pins. The typical input sensitivity is around 200mV for full output power.

3. Output Configuration:

   • Connect the speaker or load directly to the output terminals. Ensure the impedance matches the specifications to achieve optimal performance.

4. Grounding:

   • Ensure all grounds are properly connected to maintain signal integrity and minimize noise.

5. Thermal Management:

   • Provide adequate heat dissipation, especially when operating at maximum output power, to prevent overheating.

6. Protection Circuits:

   • Use external protection circuits if necessary, such as fuses or diodes, to protect against overvoltage or reverse polarity.

7. Signal-to-Noise Ratio Optimization:

   • Keep signal paths short and use shielded cables to improve the signal-to-noise ratio and overall sound quality.

(For reference only)