Overview
The LMV324QDRG4Q1 is a quad operational amplifier from Texas Instruments, designed for a wide range of applications requiring low power consumption and high performance. This device is part of the LMV324 series, which includes single, dual, and quad operational amplifiers. The LMV324QDRG4Q1 operates from a single supply or dual supplies and is known for its low crossover distortion, rail-to-rail output swing, and robust ESD protection.
Key Specifications
| Parameter | Typical Value | Conditions |
|---|---|---|
| Supply Voltage | 2.7 V to 5 V | |
| Operating Temperature | –40°C to +125°C | |
| Supply Current (per amplifier) | 410 μA (typical at 25°C) | TA = 25°C, all four amplifiers |
| Unity-Gain Bandwidth | 1 MHz | CL = 200 pF, TA = 25°C |
| Phase Margin | 60 deg | TA = 25°C |
| Gain Margin | 10 dB | TA = 25°C |
| Equivalent Input Noise Voltage | 39 nV/√Hz (at 1 kHz) | TA = 25°C |
| Equivalent Input Noise Current | 0.21 pA/√Hz (at 1 kHz) | TA = 25°C |
| Slew Rate | 1 V/μs | TA = 25°C |
| Output Short-Circuit Current | 40 mA (sourcing and sinking) | VO = 0 V or 5 V, TA = 25°C |
| ESD Protection | 2000 V (human-body model), 1000 V (charged-device model) |
Key Features
- No crossover distortion, ensuring clean and accurate signal amplification.
- Low supply current, making it suitable for power-sensitive applications.
- Rail-to-rail output swing, allowing for maximum output voltage range.
- Robust ESD protection, exceeding JESD 22 standards.
- Wide operating temperature range from –40°C to +125°C.
- Shutdown feature (logic low for shutdown, logic high for enable) available on some models.
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 typical supply current for the LMV324QDRG4Q1?
The typical supply current for the LMV324QDRG4Q1 is 410 μA at 25°C for all four amplifiers.
- What is the operating temperature range of the LMV324QDRG4Q1?
The operating temperature range is from –40°C to +125°C.
- Does the LMV324QDRG4Q1 have ESD protection?
- What is the unity-gain bandwidth of the LMV324QDRG4Q1?
The unity-gain bandwidth is 1 MHz with a load capacitance of 200 pF at 25°C.
- Can the LMV324QDRG4Q1 operate from a single supply or dual supplies?
- What is the slew rate of the LMV324QDRG4Q1?
The slew rate is 1 V/μs at 25°C.
- What are some common applications of the LMV324QDRG4Q1?
- Does the LMV324QDRG4Q1 have a shutdown feature?
- What is the phase margin of the LMV324QDRG4Q1?
The phase margin is 60 degrees at 25°C.
- What is the gain margin of the LMV324QDRG4Q1?
The gain margin is 10 dB at 25°C.
