Overview
The LMV324M is a quad general-purpose, low-voltage, rail-to-rail output operational amplifier produced by Texas Instruments (formerly National Semiconductor). This device is designed to operate within a voltage range of 2.7V to 5.5V, making it suitable for low-voltage and low-power applications. The LMV324M features bipolar input and output stages, which enhance noise performance and provide higher output current drive. Its compact package and low supply current make it ideal for battery-powered systems and space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.7 to 5.5 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Typical Supply Current (per amplifier) | 410 | μA |
| Gain-Bandwidth Product | 1 | MHz |
| Rail-to-Rail Output Swing (at 10kΩ load) | V+ - 10mV, V- + 65mV | V |
| Input Voltage Range | -0.2V to V+ - 0.8V | V |
| ESD Protection | 2000V (Human Body Model), 1000V (Charged Device Model) | V |
| Capacitive Load Tolerance | 200pF in unity-gain without oscillation | pF |
Key Features
- No crossover distortion, ensuring clean output signals.
- Rail-to-rail output swing, providing maximum dynamic range at the output.
- Low supply current, which helps maximize battery life in portable devices.
- Compact package options, such as the SC70-5 package, which saves space on PCBs.
- Guaranteed performance at 2.7V and 5V supply voltages.
- High input impedance and low input bias current.
- ESD protection exceeding JESD 22 standards.
- Ability to drive capacitive loads directly without oscillation.
Applications
- Active filters and general-purpose low-voltage applications.
- Portable media players, netbooks, and other battery-powered devices.
- Desktop PCs, HVAC systems, and motor control applications.
- Professional audio mixers and high-end consumer electronics like refrigerators and washing machines.
- Telecom DC/DC modules and other power-related applications.
Q & A
- What is the operating voltage range of the LMV324M?
The LMV324M operates within a voltage range of 2.7V to 5.5V.
- What is the typical supply current for the LMV324M?
The typical supply current for the LMV324M is 410 μA.
- Does the LMV324M have rail-to-rail output swing?
- What is the gain-bandwidth product of the LMV324M?
The gain-bandwidth product of the LMV324M is 1 MHz.
- Can the LMV324M drive capacitive loads directly?
- What are the key benefits of using the LMV324M in terms of noise performance?
The LMV324M has bipolar input and output stages, which improve noise performance and reduce noise pickup by allowing the device to be placed closer to the signal source.
- What are some common applications of the LMV324M?
- Does the LMV324M have ESD protection?
- What is the operating temperature range of the LMV324M?
- Is the LMV324M suitable for battery-powered systems?
