Overview
The LM324MT, produced by Texas Instruments, is a quad operational amplifier known for its low power consumption and versatility. This device is part of the LMx24-N family and is characterized by its wide power supply range, high DC voltage gain, and internal frequency compensation for unity gain. It is widely used in various electronic circuits due to its ability to operate with single or dual power supplies and its low input biasing current.
Key Specifications
| Parameter | Minimum | Typical | Maximum |
|---|---|---|---|
| Supply Voltage Range | 3 V | - | 32 V |
| Unity Gain Bandwidth | - | 1 MHz | - |
| DC Voltage Gain | - | 100 dB | - |
| Input Bias Current | 20 nA | 45 nA | 100 nA |
| Input Offset Voltage | 1 mV | 2 mV | 3 mV |
| Supply Current | 1.5 mA | 3 mA | - |
| Operating Temperature Range | 0°C | - | 70°C |
Key Features
- Internally frequency compensated for unity gain.
- Wide power supply range: single supply from 3 V to 32 V or dual supplies from ±1.5 V to ±16 V.
- Low supply current drain (700 μA), essentially independent of supply voltage.
- Large DC voltage gain of 100 dB.
- Low input biasing current of 45 nA.
- Allows direct sensing near GND and VOUT.
- Four internally compensated op amps in a single package.
Applications
The LM324MT is suitable for a variety of applications, including:
- Audio and video circuits.
- Active filters.
- Integrators and differentiators.
- Voltage regulators.
- Transducer amplifiers.
- General-purpose amplification in industrial, medical, and consumer electronics.
Q & A
- What is the supply voltage range of the LM324MT?
The LM324MT can operate with a single supply voltage from 3 V to 32 V or dual supplies from ±1.5 V to ±16 V. - What is the typical unity gain bandwidth of the LM324MT?
The typical unity gain bandwidth is 1 MHz. - What is the DC voltage gain of the LM324MT?
The DC voltage gain is 100 dB. - What is the input bias current of the LM324MT?
The input bias current is typically 45 nA. - What is the operating temperature range of the LM324MT?
The operating temperature range is from 0°C to 70°C. - How many operational amplifiers are included in the LM324MT package?
The LM324MT includes four internally compensated operational amplifiers. - What are some common applications of the LM324MT?
Common applications include audio and video circuits, active filters, integrators and differentiators, voltage regulators, transducer amplifiers, and general-purpose amplification. - Is the LM324MT suitable for use in safety-critical applications?
No, it is not recommended for use in safety-critical applications without thorough evaluation and compliance with relevant standards. - What is the typical supply current of the LM324MT?
The typical supply current is 3 mA. - Can the LM324MT operate near ground and output voltage levels?
Yes, it allows direct sensing near GND and VOUT.
