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TDA75551D

Specifications

SKU: 11203074

BUY TDA75551D https://www.utsource.net/itm/p/11203074.html

Parameter Symbol Conditions Min Typ Max Unit
Supply Voltage VCC - 12 14 16 V
Quiescent Current IQ VS = 14V, No Load 10 mA
Output Power PO RL = 8Ω, THD = 10% 15 25 W
Frequency Response VS = 14V, RL = 8Ω 20 20 kHz
Signal to Noise Ratio SNR VS = 14V, A-weighted 93 dB
Total Harmonic Distortion THD VS = 14V, PO = 1W, RL = 8Ω 0.07 %

Instructions for TDA75551D:

  1. Power Supply:

    • Ensure the supply voltage (VCC) is within the specified range of 12V to 16V.
  2. Installation:

    • Mount the device on a suitable heatsink if continuous operation at high power levels is expected.
  3. Connections:

    • Connect the positive terminal of the power supply to pin 8 (VCC).
    • Connect the negative terminal of the power supply and ground to pin 4 (GND).
  4. Input Signal:

    • Apply the audio input signal to pin 5 (IN+). Use pin 6 (IN-) for differential inputs or connect it to ground for single-ended operation.
  5. Output Configuration:

    • Connect the speaker to pins 2 and 3 for bridge-tied load (BTL) configuration, or use one output with the other grounded for single-ended operation.
  6. Protection:

    • The device includes internal protections against thermal overload and short circuits. Monitor operating conditions to avoid prolonged exposure to extreme conditions.
  7. Capacitors:

    • Place bypass capacitors close to the power supply pins to ensure stable operation. A typical value is 100nF ceramic capacitor in parallel with a 10μF electrolytic capacitor.
  8. Thermal Considerations:

    • Maintain adequate ventilation around the component to dissipate heat effectively. Refer to the datasheet for detailed thermal resistance values.

Note: For more detailed specifications and advanced configurations, refer to the official datasheet provided by the manufacturer.

(For reference only)

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