Overview
The LMH6640MF is a high-performance operational amplifier produced by Texas Instruments (formerly National Semiconductor). It is designed for applications requiring high-speed and high-output current, particularly in TFT-LCD display driving. This model is optimized for rail-to-rail operation, making it suitable for modern display technologies where precision and efficiency are critical. The LMH6640MF is targeted at designers and engineers working in consumer electronics, industrial automation, and automotive electronics, offering a competitive edge with its high slew rate and wide bandwidth.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Amplifier Type | Voltage Feedback | - | - |
| Output Type | Rail-to-Rail | - | - |
| Slew Rate | 170 | V/µs | - |
| Gain Bandwidth Product | 62 | MHz | - |
| 3dB Bandwidth | 190 | MHz | - |
| Supply Voltage | Up to 16 | V | - |
| Output Current | 100 | mA | - |
| Package | SOT-23-5 | - | - |
Key Features
- Rail-to-rail output for maximum dynamic range.
- High slew rate of 170 V/µs for fast signal response.
- Wide bandwidth of 62 MHz, suitable for high-frequency applications.
- Optimized for TFT-LCD display driving, ensuring precision and efficiency.
- Compact SOT-23-5 package for space-constrained designs.
Applications
The LMH6640MF is widely used in applications such as TFT-LCD displays, where its high-speed and high-output current capabilities are essential. It is also suitable for consumer electronics, industrial automation, and automotive electronics, providing reliable performance in systems requiring precision amplification. Its rail-to-rail operation makes it ideal for battery-powered devices, ensuring efficient power usage.
Q & A
1. What is the supply voltage range for the LMH6640MF?
The LMH6640MF operates with a supply voltage of up to 16V.
2. What is the output current capability of this amplifier?
It can deliver an output current of up to 100mA.
3. Is the LMH6640MF suitable for TFT-LCD applications?
Yes, it is specifically optimized for TFT-LCD display driving.
4. What is the slew rate of the LMH6640MF?
The slew rate is 170 V/µs, ensuring fast signal response.
5. What package does the LMH6640MF come in?
It is available in a compact SOT-23-5 package.
6. Can this amplifier operate in rail-to-rail configurations?
Yes, it supports rail-to-rail output for maximum dynamic range.
7. What is the gain bandwidth product of the LMH6640MF?
The gain bandwidth product is 62 MHz.
8. Is the LMH6640MF suitable for high-frequency applications?
Yes, its wide bandwidth makes it ideal for high-frequency use.
9. What are the typical applications of the LMH6640MF?
It is commonly used in TFT-LCD displays, consumer electronics, and industrial automation.
10. Who manufactures the LMH6640MF?
It is produced by Texas Instruments (formerly National Semiconductor).
