Overview
The TPA6211A1DRB is a 3.1-W mono fully differential audio power amplifier manufactured by Texas Instruments. Designed for applications such as wireless or cellular handsets and PDAs, this amplifier is optimized for driving speakers with at least 3Ω impedance. Its compact design, with a total PCB area of just 20 mm², makes it ideal for space-constrained applications. The device operates within a voltage range of 2.5V to 5.5V and features low power consumption, with a quiescent supply current of 4 mA. The TPA6211A1DRB is available in a 3mm × 3mm SON (DRB) package, offering a balance of performance and size efficiency.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Power | 3.1 | W | Into 3Ω at 5V, THD = 10% |
| Supply Voltage | 2.5 to 5.5 | V | |
| Quiescent Current | 4 | mA | Typical at 5V |
| Shutdown Current | 0.01 | µA | Typical |
| PSRR | -80 | dB | 20 Hz to 2 kHz |
| Operating Temperature | -40 to +85 | °C | |
| Package | SON-8 | 3mm × 3mm |
Key Features
- Designed for wireless or cellular handsets and PDAs.
- Low power consumption with a quiescent current of 4 mA.
- Fast startup with minimal pop noise.
- Improved PSRR (-80 dB) for enhanced performance in noisy environments.
- Compact 3mm × 3mm SON package for space-constrained applications.
Applications
The TPA6211A1DRB is widely used in portable electronic devices such as smartphones, PDAs, and wireless handsets. Its ability to deliver high-quality audio with minimal power consumption makes it suitable for battery-powered applications. Additionally, its compact size and efficient design are ideal for integration into small form factor devices where space is at a premium.
Q & A
What is the output power of the TPA6211A1DRB?
The TPA6211A1DRB delivers 3.1 W of output power into a 3Ω load at 5V with 10% THD.
What is the operating voltage range of the TPA6211A1DRB?
The operating voltage range is from 2.5V to 5.5V.
What is the quiescent current of the TPA6211A1DRB?
The quiescent current is typically 4 mA at 5V.
What is the shutdown current of the TPA6211A1DRB?
The shutdown current is typically 0.01 µA.
What is the PSRR of the TPA6211A1DRB?
The PSRR is -80 dB from 20 Hz to 2 kHz.
What is the package type of the TPA6211A1DRB?
The TPA6211A1DRB is available in a 3mm × 3mm SON-8 package.
What are the typical applications of the TPA6211A1DRB?
Typical applications include wireless or cellular handsets, PDAs, and other portable electronic devices.
What is the operating temperature range of the TPA6211A1DRB?
The operating temperature range is from -40°C to +85°C.
How does the TPA6211A1DRB minimize pop noise?
The TPA6211A1DRB features a fast startup mechanism that minimizes pop noise during power-up.
What is the advantage of the TPA6211A1DRB's full differential design?
The full differential design reduces RF rectification and improves noise immunity in audio applications.
