Share:
Specifications
SKU: 1741514
125-W Stereo Digital Amplifier Power Stage
Below is the parameter table and instructions for the TAS5152 Digital Input Class-D Audio Amplifier from Texas Instruments.
Parameter Table
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD | 4.75 | 5.0 | 5.25 | V | |
| Standby Current | ISTBY | - | 20 | - | μA | VDD = 5V, All channels in standby mode |
| Active Current (Per Channel) | ICH | - | 100 | - | mA | VDD = 5V, 1kHz, 1Vrms output |
| Output Power (8Ω Load) | POUT | - | 10 | - | W | VDD = 5V, THD+N = 1% |
| Output Power (4Ω Load) | POUT | - | 15 | - | W | VDD = 5V, THD+N = 1% |
| Signal-to-Noise Ratio (SNR) | SNR | - | 105 | - | dB | A-weighted, VDD = 5V |
| Total Harmonic Distortion + Noise (THD+N) | THD+N | - | 0.005 | - | % | 1kHz, 1W, 8Ω load |
| Input Sensitivity | VIN | 0.2 | 0.5 | 1.0 | Vrms | VDD = 5V, 1kHz |
| Input Impedance | ZIN | - | 10 | - | kΩ | |
| Operating Temperature Range | TOPR | -40 | - | 85 | °C | |
| Storage Temperature Range | TSTG | -65 | - | 150 | °C |
Instructions
Power Supply:
- Connect the VDD pin to a stable 5V power supply.
- Ensure the power supply can provide sufficient current to support the active current requirements of the amplifier.
Ground Connection:
- Connect all ground pins (GND) to a common ground point to ensure proper operation and minimize noise.
Input Signal:
- Connect the digital audio input signals (I2S, SPDIF, etc.) to the appropriate input pins.
- Ensure the input signal level is within the specified range to avoid clipping or distortion.
Output Configuration:
- Connect the speaker outputs to the appropriate pins (OUTP, OUTN) for each channel.
- Use the recommended load impedance (8Ω or 4Ω) to match the output power specifications.
Standby Mode:
- To enter standby mode, set the STBY pin to a high logic level.
- To exit standby mode, set the STBY pin to a low logic level.
Mute Function:
- To mute the amplifier, set the MUTE pin to a high logic level.
- To unmute, set the MUTE pin to a low logic level.
Thermal Management:
- Ensure adequate heat dissipation by mounting the device on a heatsink or PCB with good thermal conductivity.
- Monitor the temperature to prevent overheating, especially during high-power operation.
Software Configuration:
- Use the I2C interface to configure the amplifier settings such as volume control, EQ settings, and other parameters.
- Refer to the datasheet for detailed register maps and configuration commands.
Protection Features:
- The TAS5152 includes built-in protection features such as overtemperature shutdown, short-circuit protection, and overvoltage/undervoltage protection.
- These features help ensure reliable operation under various conditions.
Testing and Validation:
- Perform initial testing with a known good signal source and load to verify proper operation.
- Use a spectrum analyzer or similar tool to measure SNR, THD+N, and other performance metrics.
For more detailed information, refer to the official datasheet and application notes provided by Texas Instruments.
(For reference only)Inquiry - TAS5152
