Overview
The LM4889MMX/NOPB is a high-performance audio power amplifier produced by Texas Instruments. This product is designed for portable audio applications, offering a compact and efficient solution for driving speakers in devices such as smartphones, tablets, and portable media players. The LM4889MMX/NOPB stands out for its low power consumption, high-quality audio output, and robust performance, making it a competitive choice in the consumer electronics market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 2.7 to 5.5 | V | |
| Output Power | 1.1 | W | @ 5V, 8Ω load |
| THD+N | 0.1 | % | @ 1kHz, 1W |
| Operating Temperature | -40 to 85 | °C | |
| Package | VSSOP-8 | ||
| Quiescent Current | 4 | mA | |
| Shutdown Current | 0.01 | μA |
Key Features
- Low Power Consumption: Ideal for battery-powered devices, ensuring extended usage time.
- High-Quality Audio: Delivers clear and distortion-free sound for an enhanced listening experience.
- Compact Design: The VSSOP-8 package allows for integration into space-constrained applications.
- Shutdown Mode: Reduces power consumption to a minimum when not in use.
Applications
The LM4889MMX/NOPB is widely used in portable audio devices such as smartphones, tablets, and portable media players. Its high efficiency and compact design make it suitable for applications where space and power consumption are critical. Additionally, it is employed in other consumer electronics like gaming devices and Bluetooth speakers, where high-quality audio output is essential.
Q & A
1. What is the operating voltage range of the LM4889MMX/NOPB?
The operating voltage range is 2.7V to 5.5V.
2. What is the output power of the LM4889MMX/NOPB?
It delivers 1.1W of output power at 5V with an 8Ω load.
3. How does the LM4889MMX/NOPB ensure low power consumption?
It features a low quiescent current of 4mA and a shutdown mode with a current of 0.01μA.
4. What is the THD+N of the LM4889MMX/NOPB?
The THD+N is 0.1% at 1kHz and 1W output.
5. What package does the LM4889MMX/NOPB come in?
It comes in a VSSOP-8 package.
6. Can the LM4889MMX/NOPB operate in extreme temperatures?
Yes, it operates within a temperature range of -40°C to 85°C.
7. Is the LM4889MMX/NOPB suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
8. What are the typical applications of the LM4889MMX/NOPB?
Typical applications include smartphones, tablets, portable media players, and Bluetooth speakers.
9. Does the LM4889MMX/NOPB support shutdown mode?
Yes, it supports shutdown mode to minimize power consumption when not in use.
10. What makes the LM4889MMX/NOPB competitive in the market?
Its combination of low power consumption, high-quality audio output, and compact design makes it highly competitive.
