Overview
The LMV324MTX is a quad general-purpose, low-voltage, rail-to-rail output operational amplifier produced by Texas Instruments (formerly National Semiconductor). This device is designed to operate within a voltage range of 2.7V to 5.5V, making it suitable for low-voltage applications. The LMV324MTX is built using advanced submicron silicon-gate BiCMOS technology, which enhances its performance in terms of noise and output current drive. It is available in a TSSOP-14 package, which is compact and space-saving, making it ideal for use in portable electronic devices and other applications where space is limited.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (V+ - V-) | 2.7 | - | 5.5 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Gain-Bandwidth Product (CL = 200 pF) | - | 1 | - | MHz |
| Supply Current (Quad) | 260 | - | 680 | µA |
| Output Swing (RL = 10 kΩ) | V+ - 100 mV | - | V+ - 10 mV | - |
| Input Common-Mode Voltage Range | 0 - 0.2 V | - | V+ - 0.8 V | - |
| Output Short Circuit Current | 5 | - | 40 | mA |
| Slew Rate | - | 1 | - | V/µs |
Key Features
- Low Voltage Operation: Guaranteed performance at 2.7V and 5V, making it suitable for battery-powered systems and low-voltage applications.
- Rail-to-Rail Output Swing: Provides maximum possible dynamic range at the output, particularly important when operating on low supply voltages.
- No Crossover Distortion: Eliminates output crossover distortion, improving signal integrity.
- Space-Saving Package: Available in compact TSSOP-14 package, ideal for use in portable electronic devices and PCMCIA type III cards.
- Low Supply Current: Helps maximize battery life in portable devices.
- Capacitive Load Tolerance: Can directly drive 200 pF in unity-gain without oscillation.
- Input Includes Ground: Allows direct sensing near ground in single supply operation.
Applications
- Active Filters: Suitable for use in active filter circuits due to its low noise and high gain-bandwidth product.
- General Purpose Low Voltage Applications: Ideal for various low-voltage applications where space and power efficiency are critical.
- Portable Devices: Used in cellular phones, pagers, and other portable electronic systems where low power consumption and compact size are essential.
- Instrumentation Amplifiers: Can be used to build three-op-amp instrumentation amplifiers with high input impedance and good common-mode rejection ratio (CMRR).
Q & A
- What is the operating voltage range of the LMV324MTX?
The LMV324MTX operates within a voltage range of 2.7V to 5.5V.
- What is the typical gain-bandwidth product of the LMV324MTX?
The typical gain-bandwidth product is 1 MHz.
- Does the LMV324MTX have rail-to-rail output swing?
- What is the maximum capacitive load the LMV324MTX can drive in unity-gain without oscillation?
The LMV324MTX can directly drive 200 pF in unity-gain without oscillation.
- What are the typical supply currents for the LMV324MTX?
The typical supply current for the quad amplifier is between 260 µA and 680 µA.
- Is the LMV324MTX suitable for use in high-temperature environments?
The LMV324MTX has an operating temperature range of -40°C to 85°C.
- What package types are available for the LMV324MTX?
The LMV324MTX is available in a TSSOP-14 package.
- Does the LMV324MTX eliminate crossover distortion?
- Can the LMV324MTX be used in instrumentation amplifier configurations?
- How does the LMV324MTX help in maximizing battery life in portable devices?
The LMV324MTX helps in maximizing battery life due to its low supply current.
