Overview
The LMV324QPWRG4Q1 is a quad low-voltage rail-to-rail output operational amplifier produced by Texas Instruments. This device is part of the LMV3xx series, which includes single, dual, and quad configurations. The LMV324 is designed to operate from a supply voltage range of 2.7 V to 5.5 V, making it suitable for a variety of low-voltage applications. It features a high unity-gain bandwidth of 1 MHz and a slew rate of 1 V/μs, ensuring good performance in various operational scenarios.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Voltage Range | 2.7 V to 5.5 V | V |
| Supply Current (all four amplifiers) | 410 μA (typical at 25°C), 830 μA (typical over full temperature range) | μA |
| Unity-Gain Bandwidth | 1 MHz | Hz |
| Phase Margin | 60 deg | deg |
| Gain Margin | 10 dB | dB |
| Equivalent Input Noise Voltage | 39 nV/√Hz at 1 kHz | nV/√Hz |
| Equivalent Input Noise Current | 0.21 pA/√Hz at 1 kHz | pA/√Hz |
| Slew Rate | 1 V/μs | V/μs |
| Operating Temperature Range | –40°C to +125°C | °C |
| ESD Protection | 2000-V human-body model, 1000-V charged-device model | V |
Key Features
- Rail-to-rail output swing, allowing the output voltage to swing close to the supply rails.
- Low supply current, with a typical value of 410 μA for all four amplifiers at 25°C.
- No crossover distortion, ensuring clean and accurate signal amplification.
- High unity-gain bandwidth of 1 MHz and a slew rate of 1 V/μs, suitable for high-frequency applications.
- ESD protection exceeding JESD 22 standards, providing robust protection against electrostatic discharge.
- Shutdown feature (for LMV324S), allowing the device to be powered down to reduce current consumption.
- Common-mode input voltage range that includes ground, making it versatile for various input signal configurations.
Applications
- Desktop PCs and netbooks.
- HVAC (heating, ventilating, and air conditioning) systems.
- Motor control, including AC induction motors.
- Portable media players and professional audio mixers.
- Telecom DC/DC modules and power supplies.
- High-end and low-end washing machines and refrigerators.
Q & A
- What is the supply voltage range for the LMV324QPWRG4Q1?
The LMV324QPWRG4Q1 operates from a supply voltage range of 2.7 V to 5.5 V.
- What is the typical supply current for the LMV324QPWRG4Q1?
The typical supply current for all four amplifiers is 410 μA at 25°C and up to 830 μA over the full temperature range.
- What is the unity-gain bandwidth of the LMV324QPWRG4Q1?
The unity-gain bandwidth is 1 MHz.
- Does the LMV324QPWRG4Q1 have ESD protection?
Yes, it has ESD protection exceeding JESD 22 standards, with 2000-V human-body model and 1000-V charged-device model protection.
- What is the operating temperature range for the LMV324QPWRG4Q1?
The operating temperature range is –40°C to +125°C.
- What are some common applications for the LMV324QPWRG4Q1?
Common applications include desktop PCs, HVAC systems, motor control, portable media players, telecom DC/DC modules, and household appliances like washing machines and refrigerators.
- Does the LMV324QPWRG4Q1 have a shutdown feature?
The LMV324S version has a shutdown feature, but it is not specified for the LMV324QPWRG4Q1. However, the LMV324S is part of the same family and offers this feature.
- What is the slew rate of the LMV324QPWRG4Q1?
The slew rate is 1 V/μs.
- What is the phase margin of the LMV324QPWRG4Q1?
The phase margin is 60 degrees.
- What is the gain margin of the LMV324QPWRG4Q1?
The gain margin is 10 dB.
