Overview
The TPA2014D1RGPR, manufactured by Texas Instruments, is a high-efficiency, mono Class-D audio amplifier with an integrated boost converter. Designed for portable applications, this amplifier delivers up to 1.5W of power into an 8-ohm load, ensuring consistent audio performance even as battery voltage decreases. Its market positioning targets devices such as wireless handsets, personal navigation devices, handheld gaming consoles, and wireless headsets, making it a competitive choice for compact, battery-powered audio solutions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power | 1.5 | W | @ 8Ω, 10% THD+N |
| Operating Voltage | 2.5 - 5.5 | V | |
| Efficiency | 85 | % | Typical |
| PSRR | 91 | dB | |
| SNR | 97 | dB | |
| THD+N | 1 | % | @ 1kHz |
| Operating Temperature | -40 to 85 | °C | |
| Package | QFN-20 | 4x4 mm |
Key Features
- Integrated boost converter for consistent output power across battery discharge.
- High efficiency (85%) extends battery life in portable devices.
- Wide operating voltage range (2.5V to 5.5V) simplifies power supply design.
- Differential inputs reduce RF common noise for clearer audio output.
- Thermal and short-circuit protection ensures reliable operation.
Applications
The TPA2014D1RGPR is ideal for portable audio applications, including wireless handsets, personal navigation devices, handheld gaming consoles, and wireless headsets. Its ability to maintain high output power even as battery voltage decreases makes it particularly suitable for devices requiring consistent audio performance in compact, battery-powered designs.
Q & A
1. What is the maximum output power of the TPA2014D1RGPR?
It delivers up to 1.5W into an 8-ohm load at 10% THD+N.
2. What is the operating voltage range?
The operating voltage range is 2.5V to 5.5V.
3. Does it include thermal protection?
Yes, it features thermal and short-circuit protection.
4. What is the efficiency of the amplifier?
The typical efficiency is 85%.
5. What type of input does it support?
It supports differential inputs to reduce RF common noise.
6. What is the package type?
It comes in a QFN-20 package measuring 4x4 mm.
7. What is the PSRR of the TPA2014D1RGPR?
The PSRR is 91 dB.
8. Is it suitable for battery-powered devices?
Yes, its integrated boost converter ensures consistent performance as battery voltage decreases.
9. What is the SNR of the amplifier?
The SNR is 97 dB.
10. What are typical applications?
Typical applications include wireless handsets, personal navigation devices, handheld gaming consoles, and wireless headsets.
