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Specifications
SKU: 11269239
| Parameter | Symbol | Min | Typ | Max | Unit | Description |
|---|---|---|---|---|---|---|
| Supply Voltage | VCC | 4.5 | - | 16 | V | Operating voltage range |
| Quiescent Current | IQ | - | 20 | - | mA | Current consumption in quiescent state |
| Output Power | POM | - | 1.5 | - | W | Maximum output power into 4Ω load |
| Total Harmonic Distortion | THD | - | 0.5 | - | % | At 1kHz, 1W output |
| Signal-to-Noise Ratio | SNR | - | 80 | - | dB | A-weighted |
| Input Sensitivity | Vi | - | 250 | - | mVrms | For rated output power |
| Input Impedance | Zi | - | 47 | - | kΩ | AC-coupled input |
| Volume Control Range | VR | - | 50 | - | dB | Attenuation range of volume control |
Instructions for TDA7706ES-CA
Power Supply Connection:
- Connect the supply voltage (VCC) between 4.5V and 16V to pin 8.
- Ground must be connected to pin 4.
Input Connection:
- Connect the audio signal to the input pins (pin 1 and pin 2 for left channel; pin 5 and pin 6 for right channel).
- Ensure input impedance matches or exceeds 47kΩ for optimal performance.
Output Configuration:
- Connect speakers to output pins (pin 7 for left channel; pin 3 for right channel).
- Use a 4Ω speaker for best performance with this amplifier.
Volume Control:
- Connect a potentiometer to control the volume, ensuring it can provide up to 50dB of attenuation.
Thermal Considerations:
- Ensure adequate heat dissipation as the device can get warm during operation, especially at higher output powers.
Protection Circuits:
- The device includes thermal shutdown and short-circuit protection. Verify these features are not triggered by improper connections or excessive loads.
Layout Recommendations:
- Keep the power supply leads as short as possible to minimize noise pickup.
- Place decoupling capacitors close to the power supply pins to ensure stability.
Operating Temperature:
- Ensure the operating temperature is within the specified range (-40°C to +85°C) for reliable operation.
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