Details

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BUY TDA7297SA https://www.utsource.net/itm/p/12612316.html

Parameter	Symbol	Min	Typical	Max	Unit
Supply Voltage	Vcc	8	-	30	V
Quiescent Current (Both Channels)	IQ	-	10	-	mA
Output Power (THD = 1%, 8Ω)	POM	-	2 x 20	-	W
Output Power (THD = 10%, 4Ω)	POM	-	2 x 25	-	W
Signal-to-Noise Ratio (A-weighted)	SNR	-	96	-	dB
Total Harmonic Distortion + Noise (THD+N) at 1W, 8Ω	THD+N	-	0.03	-	%
Input Sensitivity (Vrms)	Vi	-	0.775	-	V
Input Impedance (1kHz)	Zi	-	47	-	kΩ
Operating Temperature Range	Toper	-40	-	85	°C
Storage Temperature Range	Tstg	-65	-	150	°C

Instructions for TDA7297SA

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 8V to 30V.
   • Use a stable power source to avoid fluctuations that could affect performance.

2. Installation:

   • Mount the TDA7297SA on a heatsink if operating at high power levels to ensure proper heat dissipation.
   • Place the component away from sources of electromagnetic interference (EMI).

3. Input Connection:

   • Connect the audio input signals to the IN1 and IN2 pins.
   • Ensure the input signal level is within the recommended range to avoid distortion.

4. Output Connection:

   • Connect the output terminals (OUT1 and OUT2) to the speakers or load.
   • Use appropriate speaker wires to minimize signal loss and interference.

5. Biasing:

   • The TDA7297SA is designed to be self-biased, but ensure the biasing network is correctly configured to maintain optimal performance.

6. Protection:

   • The device includes internal protection circuits for short-circuit, thermal, and overvoltage conditions.
   • However, it is recommended to include external protection components such as fuses and capacitors for added safety.

7. Grounding:

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

8. Testing:

   • Before final assembly, test the TDA7297SA with a known good signal to verify proper operation.
   • Use an oscilloscope to monitor the output waveform and check for any distortion or clipping.

9. Storage:

   • Store the TDA7297SA in a dry, cool environment to prevent damage from moisture and temperature extremes.

10. Handling:

    • Handle the TDA7297SA with care to avoid static discharge, which can damage the internal circuits.
    • Use anti-static wrist straps and mats when handling sensitive electronic components.

(For reference only)