Overview
The Texas Instruments LMH6618MKE/NOPB is a high-performance, single-channel operational amplifier designed for a wide range of applications requiring high speed, low supply current, and low noise. This amplifier features a voltage feedback design with rail-to-rail input and output capabilities, making it suitable for various high-speed and precision applications. The LMH6618MKE/NOPB operates over a voltage range of 2.7V to 11V and is available in a compact TSOT-23-6 package, making it ideal for space-constrained designs.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Amplifier Type | Voltage Feedback | |
| Number of Circuits | 1 | |
| Output Type | Rail-to-Rail | |
| Slew Rate | 57 V/µs | |
| Gain Bandwidth Product | 65 MHz | |
| -3 dB Bandwidth | 140 MHz | |
| Input Bias Current | 1.5 µA | |
| Input Offset Voltage | 100 µV | |
| Supply Current per Channel | 1.25 mA (typical at 5V) | |
| Output Current per Channel | 35 mA | |
| Supply Voltage Range | 2.7 V to 11 V, ±1.35 V to 5.5 V | |
| Operating Temperature Range | -40°C to 125°C | |
| Package | TSOT-23-6 |
Key Features
- Rail-to-Rail Input and Output: The LMH6618MKE/NOPB offers full rail-to-rail input and output swing, ensuring maximum signal dynamic range on low power rails.
- High Speed Performance: With a gain bandwidth product of 65 MHz and a slew rate of 57 V/µs, this amplifier is suitable for high-speed applications.
- Low Noise and Low Supply Current: The amplifier features low voltage noise (10 nV/√Hz) and a supply current of typically 1.25 mA per channel at 5V.
- Shutdown Capability: The LMH6618MKE/NOPB includes an active low disable pin that reduces the supply current to 72 µA when disabled.
- Industrial Temperature Grade: The device is available with an extended industrial temperature grade of -40°C to +125°C.
- Compact Packaging: The TSOT-23-6 package makes it ideal for space-constrained designs.
Applications
- ADC and DAC Drivers: Suitable for driving complex ADC and DAC loads due to its high speed and low noise characteristics.
- Active Filters: Ideal for active filter designs requiring high accuracy and speed.
- High Speed Sensor Amplifiers: Used in applications requiring fast and precise signal amplification.
- Current Sense Amplifiers: Can be used in current sensing applications due to its high accuracy and speed.
- Portable Video and STB/TV Video Amplifiers: Suitable for video amplification in portable and consumer electronics.
Q & A
- What is the typical supply current of the LMH6618MKE/NOPB at 5V?
The typical supply current is 1.25 mA per channel at 5V.
- What is the slew rate of the LMH6618MKE/NOPB?
The slew rate is 57 V/µs.
- What is the gain bandwidth product of the LMH6618MKE/NOPB?
The gain bandwidth product is 65 MHz.
- What is the operating temperature range of the LMH6618MKE/NOPB?
The operating temperature range is -40°C to 125°C.
- What is the package type of the LMH6618MKE/NOPB?
The package type is TSOT-23-6.
- Does the LMH6618MKE/NOPB have a shutdown feature?
Yes, it has an active low disable pin that reduces the supply current to 72 µA when disabled.
- What are some common applications of the LMH6618MKE/NOPB?
Common applications include ADC and DAC drivers, active filters, high speed sensor amplifiers, current sense amplifiers, and video amplifiers in portable and consumer electronics.
- What is the input offset voltage of the LMH6618MKE/NOPB?
The input offset voltage is typically 100 µV).
- Can the LMH6618MKE/NOPB drive capacitive loads?
Yes, it can drive up to 30 pF loads without the need for external compensation).
- What is the output current capability of the LMH6618MKE/NOPB?
The output current capability is 35 mA per channel).
