Overview
The LMV324SIDG4 is a quad low-voltage operational amplifier produced by Texas Instruments. It is part of the LMV3xx series, which includes single, dual, and quad configurations. This device is designed for low-voltage operation, ranging from 2.7 V to 5.5 V, and is known for its rail-to-rail output swing and low supply current. The LMV324SIDG4 is particularly useful in applications where space saving, low cost, and low-voltage operation are critical.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Single-Supply Operation) | 2.7 to 5.5 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Current (Typical) | 410 | μA |
| Unity-Gain Bandwidth | 1 | MHz |
| Phase Margin | 60 | deg |
| Gain Margin | 10 | dB |
| Equivalent Input Noise Voltage (f = 1 kHz) | 46 | nV/√Hz |
| Equivalent Input Noise Current (f = 1 kHz) | 0.17 | pA/√Hz |
| ESD Protection | 2000-V human-body model, 1000-V charged-device model |
Key Features
- Rail-to-rail output swing, ensuring maximum output voltage range.
- Low supply current: 410 μA (typical) for all four amplifiers.
- No crossover distortion, enhancing signal integrity.
- ESD protection exceeding JESD 22 standards.
- Compact package options, including SOIC and VSSOP, for space-saving designs.
- Shutdown feature (in LMV324S variant) to reduce supply current to a maximum of 5 µA per channel.
Applications
- Desktop PCs and net-books.
- HVAC systems (heating, ventilating, and air conditioning).
- 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 operating voltage range of the LMV324SIDG4?
The LMV324SIDG4 operates within a voltage range of 2.7 V to 5.5 V.
- What is the typical supply current for the LMV324SIDG4?
The typical supply current for the LMV324SIDG4 is 410 μA.
- Does the LMV324SIDG4 have ESD protection?
- What are the package options available for the LMV324SIDG4?
The LMV324SIDG4 is available in various packages, including SOIC and VSSOP.
- What is the unity-gain bandwidth of the LMV324SIDG4?
The unity-gain bandwidth of the LMV324SIDG4 is 1 MHz.
- Does the LMV324SIDG4 have a shutdown feature?
The LMV324S variant includes a shutdown feature that reduces supply current to a maximum of 5 µA per channel.
- What are some common applications of the LMV324SIDG4?
Common applications include desktop PCs, HVAC systems, motor control, portable media players, and professional audio mixers.
- What is the phase margin of the LMV324SIDG4?
The phase margin of the LMV324SIDG4 is 60 degrees.
- What is the gain margin of the LMV324SIDG4?
The gain margin of the LMV324SIDG4 is 10 dB.
- What is the equivalent input noise voltage of the LMV324SIDG4 at 1 kHz?
The equivalent input noise voltage at 1 kHz is 46 nV/√Hz.
