Specifications
SKU: 5614680
40-W MONO CLASS-D AUDIO POWER AMPLIFIER
Parameter | Description | Min | Typ | Max | Unit |
---|---|---|---|---|---|
Supply Voltage (VDD) | Operating voltage range | 4.75 | - | 18 | V |
Quiescent Current | Current consumption in standby mode | - | 1.2 | - | mA |
Output Power (BTL, 4Ω, THD+N = 1%) | Maximum output power in bridge-tied load configuration | - | 30 | - | W |
Efficiency (BTL, 4Ω, 1kHz, 1W) | Power efficiency in bridge-tied load configuration | - | 88 | - | % |
Signal-to-Noise Ratio (SNR) | Ratio of signal to noise level | - | 105 | - | dB |
Total Harmonic Distortion + Noise (THD+N) | Distortion and noise level at full power | - | 0.03 | - | % |
Input Sensitivity | Voltage required at input for rated output | - | 0.775 | - | Vrms |
Input Impedance | Resistance to current flow at input | - | 20 | - | kΩ |
Operating Temperature Range | Temperature range for normal operation | -40 | - | 85 | °C |
Storage Temperature Range | Temperature range for storage | -65 | - | 150 | °C |
Instructions for TPA3106D1VFP
Power Supply:
- Ensure the supply voltage (VDD) is within the range of 4.75V to 18V.
- Use a stable power source to avoid voltage fluctuations that can affect performance.
Grounding:
- Connect all ground points (GND) to a common ground to ensure proper operation and minimize noise.
Input Connection:
- Connect the audio input signal to the IN+ and IN- pins.
- Ensure the input signal level is appropriate (typically around 0.775Vrms for full output).
Output Configuration:
- For BTL (bridge-tied load) configuration, connect the speaker between the OUT1 and OUT2 pins.
- For single-ended configuration, connect the speaker between OUT1 and GND, or OUT2 and GND.
Thermal Management:
- Ensure adequate heat dissipation by mounting the device on a heatsink or a PCB with sufficient copper area.
- Monitor the operating temperature to stay within the -40°C to 85°C range.
Protection Circuits:
- The TPA3106D1VFP includes built-in protection circuits for over-temperature, short-circuit, and over-voltage conditions.
- These protections will automatically shut down the device if any of these conditions are detected.
Layout Considerations:
- Keep power and ground traces as short and wide as possible to reduce resistance and inductance.
- Place decoupling capacitors close to the VDD and GND pins to filter out high-frequency noise.
Storage and Handling:
- Store the device in a dry environment within the temperature range of -65°C to 150°C.
- Handle the device with care to avoid static discharge and physical damage.
Testing:
- Before final assembly, test the device with a known good signal to ensure it is functioning correctly.
- Use a multimeter to check for proper voltage levels and continuity.
Compliance:
- Ensure the device complies with relevant safety and electromagnetic compatibility (EMC) standards for your application.
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