Overview
The TPA3139D2RGER is a 10-W stereo Class D audio amplifier produced by Texas Instruments. This device is designed to operate over a wide voltage range of 3.5 V to 14.4 V, making it versatile for various audio applications. It features a low-idle-current design and is inductor-free, which simplifies the circuit design and reduces component count. The amplifier is packaged in a QFN (Quad Flat No-Lead) package, enhancing thermal performance and reducing the overall footprint of the system.
Key Specifications
| Parameter | Value |
|---|---|
| Output Power | 2 × 3 W into 8-Ω, 1% THD+N at 7.4-V supply 2 × 10 W into 8-Ω, 1% THD+N at 13.5-V supply |
| Supply Voltage | 3.5 V to 14.4 V |
| Turn-on Time | < 15 ms |
| Package Type | QFN (Quad Flat No-Lead) |
| Idle Current | Low-idle-current design |
| Topology | Class D |
Key Features
- High-efficiency Class D amplifier
- Low-idle-current design to minimize power consumption
- Fast turn-on time of less than 15 ms
- Inductor-free design simplifies circuitry and reduces component count
- Analog input for high-fidelity audio reproduction
- Wide supply voltage range of 3.5 V to 14.4 V
Applications
The TPA3139D2RGER is suitable for a variety of audio applications, including:
- Portable audio devices such as speakers and headphones
- Home audio systems and soundbars
- Automotive audio systems
- Industrial audio equipment
Q & A
- What is the output power of the TPA3139D2RGER?
The TPA3139D2RGER can deliver 2 × 3 W into 8-Ω at 7.4-V supply and 2 × 10 W into 8-Ω at 13.5-V supply, both with 1% THD+N. - What is the supply voltage range of the TPA3139D2RGER?
The supply voltage range is from 3.5 V to 14.4 V. - What is the turn-on time of the TPA3139D2RGER?
The turn-on time is less than 15 ms. - What type of package does the TPA3139D2RGER use?
The TPA3139D2RGER is packaged in a QFN (Quad Flat No-Lead) package. - Is the TPA3139D2RGER an inductor-free design?
Yes, the TPA3139D2RGER is an inductor-free design, which simplifies the circuit and reduces component count. - What is the topology of the TPA3139D2RGER?
The TPA3139D2RGER is a Class D amplifier. - What are the key benefits of the low-idle-current design?
The low-idle-current design minimizes power consumption, making it suitable for battery-powered devices. - Can the TPA3139D2RGER be used in automotive audio systems?
Yes, the TPA3139D2RGER can be used in automotive audio systems due to its wide supply voltage range and high efficiency. - What type of input does the TPA3139D2RGER support?
The TPA3139D2RGER supports analog input for high-fidelity audio reproduction. - Where can I find more detailed specifications and support for the TPA3139D2RGER?
You can find detailed specifications and support on the Texas Instruments website and through their technical support forums.
