Overview
The LMV324IPWR 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 applications, operating from 2.7 V to 5.5 V, making it suitable for a wide range of electronic systems. The LMV324IPWR is known for its rail-to-rail output swing, low supply current, and high performance in various operating conditions.
Key Specifications
| Parameter | Test Conditions | Min | Typical | Max | Unit |
|---|---|---|---|---|---|
| VIO (Input Offset Voltage) | - | 1.7 | 7 | mV | |
| αVIO (Average Temperature Coefficient of Input Offset Voltage) | - | - | 5 | μV/°C | |
| IIB (Input Bias Current) | - | 11 | 250 | nA | |
| IIO (Input Offset Current) | - | 5 | 50 | nA | |
| CMRR (Common-Mode Rejection Ratio) | VCM = 0 to 1.7 V | 50 | 63 | dB | |
| kSVR (Supply-Voltage Rejection Ratio) | VCC = 2.7 V to 5 V, VO = 1 V | 50 | 60 | dB | |
| VICR (Common-Mode Input Voltage Range) | CMRR ≥50 dB | 0 | -0.2 | V | |
| VO (Output Swing) | RL = 10 kΩ to 2.5 V | 65 | 180 | mV | |
| ICC (Supply Current) | - | 260 | 680 | μA | |
| AVD (Large-Signal Differential Voltage Gain) | RL = 2 kΩ | 10 | 100 | V/mV | |
| IOS (Output Short-Circuit Current) | VO = 0 V (Sourcing), VO = 5 V (Sinking) | 5 | 160 | mA |
Key Features
- Low-Voltage Operation: The LMV324IPWR operates from 2.7 V to 5.5 V, making it suitable for low-voltage applications.
- Rail-to-Rail Output Swing: This feature allows the output voltage to swing from the negative supply voltage to the positive supply voltage, maximizing the dynamic range of the amplifier.
- Low Supply Current: The device has a typical supply current of 410 μA for all four amplifiers, which is beneficial for power-sensitive applications.
- No Crossover Distortion: This ensures that the amplifier maintains a clean output signal without the distortion typically seen in other amplifiers.
- ESD Protection: The LMV324IPWR has ESD protection that exceeds JESD 22 standards, providing robust protection against electrostatic discharge.
- Wide Operating Temperature Range: The device operates from -40°C to +125°C, making it suitable for a variety of environmental conditions.
Applications
- Desktop PCs and Net-books: Used in various computer peripherals and systems.
- HVAC Systems: Heating, ventilating, and air conditioning systems benefit from the reliable operation of these amplifiers.
- Motor Control: particularly in AC induction motors.
- Portable Media Players: Suitable for audio and video applications in portable devices.
- Professional Audio Mixers: Used in high-quality audio equipment.
- Refrigerators and Washing Machines: Both high-end and low-end appliances can utilize these amplifiers.
- Telecom DC/DC Modules: Used in digital power management systems.
Q & A
- What is the operating voltage range of the LMV324IPWR?
The LMV324IPWR operates from 2.7 V to 5.5 V.
- What is the typical supply current for the LMV324IPWR?
The typical supply current for the LMV324IPWR is 410 μA for all four amplifiers.
- Does the LMV324IPWR have rail-to-rail output swing?
Yes, the LMV324IPWR has rail-to-rail output swing.
- What is the common-mode rejection ratio (CMRR) of the LMV324IPWR?
The CMRR of the LMV324IPWR is typically 63 dB.
- What is the input offset voltage (VIO) of the LMV324IPWR?
The input offset voltage (VIO) is typically 7 mV.
- What are the typical applications of the LMV324IPWR?
The LMV324IPWR is used in desktop PCs, net-books, HVAC systems, motor control, portable media players, professional audio mixers, refrigerators, washing machines, and telecom DC/DC modules.
- Does the LMV324IPWR have ESD protection?
Yes, the LMV324IPWR has ESD protection that exceeds JESD 22 standards.
- What is the operating temperature range of the LMV324IPWR?
The operating temperature range is from -40°C to +125°C.
- What is the output short-circuit current of the LMV324IPWR?
The output short-circuit current is typically 160 mA.
- Is there an upgraded version of the LMV324IPWR?
Yes, for an upgraded version with enhanced performance, refer to the LMV321A, LMV358A, and LMV324A models.
