Overview
The LMH6624MFX, produced by Texas Instruments, is a single ultra-low noise wideband operational amplifier. This device is part of the LMH6624 and LMH6626 family, known for their high performance and versatility. The LMH6624MFX operates with a wide bandwidth of 1.5 GHz and features very low input noise of 0.92 nV/√Hz and 2.3 pA/√Hz, making it ideal for applications requiring high precision and low noise. It also boasts ultra-low dc errors, including an input offset voltage of 100 μV and a drift of ±0.1 μV/°C. This amplifier is stable for closed-loop gains greater than 10 and supports both single and dual supply configurations, ranging from ±2.5 V to ±6 V and 5 V to 12 V, respectively.
Key Specifications
| Parameter | Test Conditions | Typical Value | Unit |
|---|---|---|---|
| Gain Bandwidth | VO = 400 mVPP, AV = 20 | 1.5 GHz | GHz |
| Input Voltage Noise | f = 1 MHz | 0.92 nV/√Hz | nV/√Hz |
| Input Offset Voltage | VCM = 0 V | 100 μV | μV |
| Slew Rate | VO = 2 VPP, AV = 20 | 350 V/μs | V/μs |
| Supply Voltage Range (Dual Supply) | ±2.5 V to ±6 V | V | |
| Supply Voltage Range (Single Supply) | 5 V to 12 V | V | |
| Power Supply Rejection Ratio | VS = ±2.0 V to ±3.0 V | 82 dB | dB |
| Common Mode Rejection Ratio | RL = 100 Ω, VO = −1 V to +1 V | 95 dB | dB |
| Output Current | Sourcing, VO = +0.8 V | 100 mA | mA |
Key Features
- Ultra-low noise: 0.92 nV/√Hz input voltage noise and 2.3 pA/√Hz input current noise.
- High bandwidth: 1.5 GHz gain bandwidth.
- Low dc errors: 100 μV input offset voltage and ±0.1 μV/°C drift.
- High slew rate: 350 V/μs.
- Stable for closed-loop gains greater than 10.
- Wide supply voltage range: ±2.5 V to ±6 V (dual supply) and 5 V to 12 V (single supply).
- High power supply rejection ratio: 82 dB.
- High common mode rejection ratio: 95 dB.
Applications
- High-speed data acquisition systems.
- Medical imaging and diagnostic equipment.
- Audio and video processing.
- Test and measurement instruments.
- High-frequency amplification in various industrial and scientific applications.
Q & A
- What is the typical gain bandwidth of the LMH6624MFX?
The typical gain bandwidth of the LMH6624MFX is 1.5 GHz.
- What is the input voltage noise of the LMH6624MFX?
The input voltage noise of the LMH6624MFX is 0.92 nV/√Hz.
- What are the supply voltage ranges for the LMH6624MFX?
The LMH6624MFX operates from ±2.5 V to ±6 V in dual supply mode and from 5 V to 12 V in single supply configuration.
- What is the slew rate of the LMH6624MFX?
The slew rate of the LMH6624MFX is 350 V/μs.
- Is the LMH6624MFX stable for closed-loop gains greater than 10?
Yes, the LMH6624MFX is stable for closed-loop gains greater than 10.
- What is the power supply rejection ratio (PSRR) of the LMH6624MFX?
The PSRR of the LMH6624MFX is 82 dB.
- What are some common applications of the LMH6624MFX?
The LMH6624MFX is commonly used in high-speed data acquisition systems, medical imaging, audio and video processing, test and measurement instruments, and high-frequency amplification in various industrial and scientific applications.
- What is the input offset voltage of the LMH6624MFX?
The input offset voltage of the LMH6624MFX is 100 μV.
- What is the common mode rejection ratio (CMRR) of the LMH6624MFX?
The CMRR of the LMH6624MFX is 95 dB.
- What is the maximum output current of the LMH6624MFX?
The maximum output current of the LMH6624MFX is 100 mA.
