Overview
The Texas Instruments LMV324IPWRG4 is a quad low-voltage operational amplifier designed for applications requiring low power consumption, small footprint, and high performance. This device is part of the LMV324 series, which includes single, dual, and quad configurations. The LMV324IPWRG4 operates within a voltage range of 2.7 V to 5.5 V, making it suitable for a wide range of low-voltage applications. It features rail-to-rail output swing, low supply current, and no crossover distortion, enhancing its usability in various electronic systems.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.7 | 5.5 | V | |
| Operating Temperature (TA) | -40 | 125 | °C | |
| Supply Current (ICC) per Channel | 260 | 410 | 680 | μA |
| Unity-Gain Bandwidth (B1) | 1 | MHz | ||
| Phase Margin (Φm) | 60 | deg | ||
| Gain Margin (Gm) | 10 | dB | ||
| Equivalent Input Noise Voltage (Vn) at 1 kHz | 46 | nV/√Hz | ||
| Equivalent Input Noise Current (In) at 1 kHz | 0.17 | pA/√Hz | ||
| Input Offset Voltage (VIO) at 25°C | 1.7 | 7 | 9 | mV |
| Common-Mode Rejection Ratio (CMRR) | 50 | 65 | dB |
Key Features
- Low-voltage operation: 2.7 V to 5.5 V supply range
- Rail-to-rail output swing
- No crossover distortion
- Low supply current: typical 410 μA for all four amplifiers
- ESD protection exceeds JESD 22 – 2000-V human-body model and 1000-V charged-device model
- Shutdown capability (for LMV324S)
- Compact package options: TSSOP (PW) and SOIC (D)
- Operating temperature range: -40°C to 125°C
Applications
- Desktop PCs
- HVAC systems (heating, ventilating, and air conditioning)
- Motor control: AC induction
- Net-books
- Portable media players
- Telecom DC/DC modules: digital power
- Professional audio mixers
- Refrigerators
- Washing machines: high-end and low-end
Q & A
- What is the supply voltage range for the LMV324IPWRG4?
The supply voltage range for the LMV324IPWRG4 is 2.7 V to 5.5 V.
- What is the typical supply current for the LMV324IPWRG4?
The typical supply current for the LMV324IPWRG4 is 410 μA for all four amplifiers.
- Does the LMV324IPWRG4 have ESD protection?
Yes, the LMV324IPWRG4 has ESD protection that exceeds JESD 22 – 2000-V human-body model and 1000-V charged-device model.
- What is the operating temperature range for the LMV324IPWRG4?
The operating temperature range for the LMV324IPWRG4 is -40°C to 125°C.
- What are the package options available for the LMV324IPWRG4?
The LMV324IPWRG4 is available in TSSOP (PW) and SOIC (D) packages.
- Does the LMV324IPWRG4 have a shutdown feature?
The shutdown feature is available in the LMV324S version, not the standard LMV324IPWRG4.
- What is the unity-gain bandwidth of the LMV324IPWRG4?
The unity-gain bandwidth of the LMV324IPWRG4 is typically 1 MHz.
- What is the phase margin of the LMV324IPWRG4?
The phase margin of the LMV324IPWRG4 is typically 60 degrees.
- What are some common applications for the LMV324IPWRG4?
Common applications include desktop PCs, HVAC systems, motor control, net-books, portable media players, telecom DC/DC modules, professional audio mixers, refrigerators, and washing machines.
- How does the LMV324IPWRG4 compare to other operational amplifiers like the LM358?
The LMV324IPWRG4 offers better performance in low-voltage applications and has a smaller footprint compared to the LM358, which operates from 5 V to 30 V.
