Overview
The TPA4861DR is a 1-W mono audio power amplifier manufactured by Texas Instruments. It is designed for surface-mount applications and comes in an SOIC-8 package. This component is part of the Class-AB audio amplifier family, offering a compact and efficient solution for audio amplification in various electronic devices. Its target user groups include designers and engineers working on consumer electronics, portable devices, and other audio applications where space and power efficiency are critical. The TPA4861DR stands out for its low power consumption, high reliability, and robust performance in a wide range of operating conditions.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Installation Method | Surface Mount | - | - |
| Pin Count | 8 | - | - |
| Supply Voltage | 2.7V ~ 5.5V | V | - |
| Circuit Count | 1 | - | - |
| Channel Count | 1 | - | Mono |
| Power Dissipation (Max) | 725 | mW | - |
| Quiescent Current | 3.50 | mA | - |
| Gain Bandwidth Product | 1.5 | MHz | - |
| Output Power | 1 | W | @ 8 Ohms |
| Operating Temperature Range | -40°C ~ 85°C | °C | - |
Key Features
- Compact SOIC-8 package for space-constrained applications.
- Low quiescent current of 3.5 mA for efficient power usage.
- Wide supply voltage range (2.7V to 5.5V) for versatile applications.
- Class-AB operation for high-quality audio output with low distortion.
- Built-in short-circuit and thermal protection for enhanced reliability.
Applications
The TPA4861DR is widely used in consumer electronics, portable devices, and audio systems. Its compact size and efficient performance make it ideal for applications such as mobile phones, tablets, portable speakers, and other battery-powered devices. Additionally, it is suitable for industrial audio systems where reliability and low power consumption are essential.
Q & A
1. What is the output power of the TPA4861DR?
The TPA4861DR delivers an output power of 1 W at an 8-ohm load.
2. What is the operating voltage range?
The operating voltage range is from 2.7V to 5.5V.
3. Is the TPA4861DR suitable for portable devices?
Yes, its low power consumption and compact size make it ideal for portable devices.
4. What type of amplifier is the TPA4861DR?
It is a Class-AB mono audio power amplifier.
5. Does it have built-in protection features?
Yes, it includes short-circuit and thermal protection.
6. What is the gain bandwidth product?
The gain bandwidth product is 1.5 MHz.
7. What is the package type?
It comes in an SOIC-8 package.
8. What is the quiescent current?
The quiescent current is 3.5 mA.
9. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
10. Is the TPA4861DR RoHS compliant?
Yes, it is RoHS compliant.
