Details

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BUY TDA4714B https://www.utsource.net/itm/p/12611247.html

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	Vcc	9	12	18	V	Operating supply voltage
Quiescent Current	Iq	-	10	-	mA	Quiescent current at no load
Output Power	Pout	-	2 x 10	-	W	Maximum output power into 8惟 load
Frequency Response	fR	20	-	20000	Hz	Flat frequency response range
Total Harmonic Distortion (THD)	THD	-	0.05	-	%	At 1kHz, 1W into 8惟
Signal-to-Noise Ratio (SNR)	SNR	-	100	-	dB	Typical signal-to-noise ratio
Input Sensitivity	Vin	200	300	400	mV	Input voltage for rated output
Input Impedance	Zin	-	47	-	k惟	Input impedance at 1kHz
Operating Temperature	Toper	-25	-	+85	掳C	Operating temperature range
Storage Temperature	Tstg	-40	-	+125	掳C	Storage temperature range

Instructions for Using TDA4714B

1. Supply Voltage:

   • Ensure the supply voltage is within the range of 9V to 18V. The typical operating voltage is 12V.

2. Quiescent Current:

   • The quiescent current is typically 10mA. This value should be considered when designing the power supply.

3. Output Power:

   • The TDA4714B can deliver up to 2 x 10W into an 8惟 load. Ensure the load impedance matches this specification to avoid damage.

4. Frequency Response:

   • The amplifier has a flat frequency response from 20Hz to 20kHz, making it suitable for high-fidelity audio applications.

5. Total Harmonic Distortion (THD):

   • The THD is typically 0.05% at 1kHz with 1W output into an 8惟 load. This low distortion ensures high audio quality.

6. Signal-to-Noise Ratio (SNR):

   • The SNR is typically 100dB, providing a clean and clear audio output.

7. Input Sensitivity:

   • The input sensitivity is between 200mV and 400mV for rated output. Adjust the input signal level accordingly to achieve the desired output power.

8. Input Impedance:

   • The input impedance is typically 47k惟 at 1kHz. This high impedance allows the TDA4714B to be easily driven by most audio sources.

9. Operating Temperature:

   • The operating temperature range is from -25掳C to +85掳C. Ensure the device is used within this range to prevent thermal damage.

10. Storage Temperature:

    • The storage temperature range is from -40掳C to +125掳C. Store the device in a dry environment to prevent moisture damage.

11. Installation:

    • Mount the TDA4714B on a heatsink if continuous operation at maximum output power is required. Ensure proper ventilation to dissipate heat effectively.

12. Protection Circuits:

    • The TDA4714B includes built-in protection circuits for short-circuit, overcurrent, and thermal overload. However, it is still important to design the circuit to minimize the risk of these conditions occurring.

13. Power-Up Sequence:

    • Apply the supply voltage gradually to avoid inrush currents that could damage the device. Use a soft-start circuit if necessary.

14. Grounding:

    • Ensure a solid ground connection to minimize noise and improve stability. Use a star grounding technique if multiple grounds are present.

15. Capacitors:

    • Use high-quality electrolytic capacitors for filtering and decoupling. Place them as close as possible to the TDA4714B to reduce parasitic inductance.

By following these instructions, you can ensure optimal performance and reliability of the TDA4714B in your audio application.

(For reference only)