Overview
The LM324MTX/NOPB is a low-power, quad-operational amplifier produced by Texas Instruments. This device is part of the LM324 series, known for its high performance and versatility in various electronic circuits. The LM324MTX/NOPB is designed to operate from a single power supply over a wide range of voltages, making it highly suitable for applications where dual supplies are not available or are undesirable.
This operational amplifier is internally frequency compensated for unity gain, ensuring stable operation across a broad range of frequencies. It features a large DC voltage gain of 100 dB and a wide bandwidth of 1 MHz, which are temperature compensated for reliable performance under different conditions.
Key Specifications
| Parameter | Min | Typ | Max |
|---|---|---|---|
| Input Offset Voltage (TA = 25°C) | 1 mV | 2 mV | 3 mV |
| Input Bias Current (VCM = 0 V, TA = 25°C) | 20 nA | 50 nA | 100 nA |
| Input Offset Current (VCM = 0 V, TA = 25°C) | 2 nA | 10 nA | 30 nA |
| Input Common-Mode Voltage Range (V+ = 30 V, TA = 25°C) | 0 V | - | V+ - 1.5 V |
| Supply Current (V+ = 30 V, RL = ∞, TA = 25°C) | 1.5 mA | 3 mA | - |
| Large Signal Voltage Gain (V+ = 15 V, RL ≥ 2 kΩ, TA = 25°C) | 50 V/mV | 100 V/mV | - |
| Operating Temperature Range | 0°C | - | 70°C |
| Power Supply Range | 3 V | - | 32 V (Single Supply) |
| Bandwidth (Unity Gain) | - | 1 MHz | - |
Key Features
- Internally Frequency Compensated for Unity Gain: Ensures stable operation without the need for external compensation components.
- Large DC Voltage Gain: 100 dB, providing high amplification capabilities.
- Wide Bandwidth: 1 MHz at unity gain, suitable for a variety of applications requiring high-frequency response.
- Wide Power Supply Range: Operates from a single supply of 3 V to 32 V or dual supplies ±1.5 V to ±16 V.
- Low Supply Current Drain: Approximately 700 µA, making it suitable for battery-operated devices.
- Low Input Biasing Current: 45 nA, reducing the load on input signals.
- Input Common-Mode Voltage Range Includes Ground: Allows direct sensing near ground and output voltage swing to ground.
- Four Internally Compensated Op Amps in a Single Package: Convenient for multiple channel applications.
Applications
- Transducer Amplifiers: Suitable for amplifying signals from various transducers.
- DC Gain Blocks: Used in circuits requiring stable DC gain.
- Single Power Supply Systems: Ideal for systems where dual power supplies are not available or are undesirable.
- Interface Electronics: Provides the necessary interface between analog and digital systems, especially in digital systems using standard 5-V power supply voltage.
- Battery-Operated Devices: Low power consumption makes it suitable for battery-powered applications.
Q & A
- What is the operating temperature range of the LM324MTX/NOPB?
The operating temperature range is from 0°C to 70°C.
- What is the typical input bias current of the LM324MTX/NOPB?
The typical input bias current is 50 nA.
- Can the LM324MTX/NOPB operate from a single power supply?
Yes, it can operate from a single power supply ranging from 3 V to 32 V.
- What is the bandwidth of the LM324MTX/NOPB at unity gain?
The bandwidth at unity gain is 1 MHz.
- How many operational amplifiers are included in the LM324MTX/NOPB package?
The package includes four internally compensated operational amplifiers.
- What is the typical supply current of the LM324MTX/NOPB?
The typical supply current is approximately 3 mA.
- Is the LM324MTX/NOPB suitable for battery-operated devices?
Yes, due to its low supply current drain, it is suitable for battery-operated devices.
- What is the input common-mode voltage range of the LM324MTX/NOPB?
The input common-mode voltage range includes ground and extends up to V+ - 1.5 V.
- Can the LM324MTX/NOPB be used in digital systems?
Yes, it can be used in digital systems, especially those using a standard 5-V power supply voltage.
- Is the LM324MTX/NOPB internally frequency compensated?
Yes, it is internally frequency compensated for unity gain.
