Overview
The LMV324M-TI, produced by Texas Instruments, is a quad-channel general-purpose operational amplifier designed for low-voltage applications. It operates within a voltage range of 2.7 V to 5.5 V and is known for its rail-to-rail output swing, which allows the output voltage to swing from the negative supply voltage to the positive supply voltage. This feature makes it highly versatile for various electronic systems. The LMV324M is part of the LMV3xx series, which includes single, dual, and quad operational amplifier configurations.
Key Specifications
| Parameter | Typical Value | Maximum Value |
|---|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature Range | -40°C to +125°C | -40°C to +125°C |
| Supply Current per Channel (Typical) | 0.1025 mA | 0.2075 mA |
| Unity-Gain Bandwidth (Typical) | 1 MHz | 1 MHz |
| Slew Rate (Typical) | 1 V/μs | 1 V/μs |
| Input Bias Current (Maximum) | 250,000 pA | 250,000 pA |
| Offset Voltage (Maximum at 25°C) | 7 mV | 7 mV |
| Output Current (Typical) | 60 mA | 60 mA |
| Common Mode Rejection Ratio (CMRR) - Typical | 65 dB | 65 dB |
| Number of Channels | 4 | 4 |
| Package Type | SOIC, TSSOP | SOIC, TSSOP |
Key Features
- Rail-to-Rail Output Swing: The LMV324M allows the output voltage to swing from the negative supply voltage to the positive supply voltage, enhancing its versatility in various applications.
- Low Supply Current: With a typical supply current of 0.1025 mA per channel, this operational amplifier is energy-efficient.
- No Crossover Distortion: This feature ensures that the amplifier operates without the distortion typically seen in other amplifiers when the output crosses the zero-volt threshold.
- ESD Protection: The device has robust ESD protection, exceeding JESD 22 standards for both human-body and charged-device models.
- Shutdown/Enable Functionality: The LMV324M includes shutdown pins that allow for logic control over the amplifier's operation, which can be useful in power management and system design.
Applications
- Desktop PCs and Net-books: Suitable for various computing applications due to its low power consumption and compact packaging.
- HVAC Systems: Used in heating, ventilating, and air conditioning systems for precise control and monitoring.
- Motor Control: Employed in AC induction motor control systems for efficient and reliable operation.
- Portable Media Players: Ideal for audio and video applications in portable devices due to its low voltage and low power characteristics.
- Professional Audio Mixers: Used in professional audio equipment for its high fidelity and low noise performance.
- Telecom DC/DC Modules: Utilized in telecommunications for power management and signal processing.
- Home Appliances: Found in high-end and low-end washing machines and refrigerators for control and monitoring functions.
Q & A
- What is the operating voltage range of the LMV324M?
The LMV324M operates within a voltage range of 2.7 V to 5.5 V.
- What is the typical supply current per channel for the LMV324M?
The typical supply current per channel is 0.1025 mA.
- Does the LMV324M have rail-to-rail output swing?
- What is the unity-gain bandwidth of the LMV324M?
The unity-gain bandwidth is 1 MHz.
- What types of packages are available for the LMV324M?
The LMV324M is available in SOIC and TSSOP packages.
- Does the LMV324M have ESD protection?
- What is the typical slew rate of the LMV324M?
The typical slew rate is 1 V/μs.
- What are some common applications of the LMV324M?
- Does the LMV324M have a shutdown/enable function?
- What is the operating temperature range of the LMV324M?
