Overview
The LM324N/NOPB is a low-power, quad operational amplifier designed to operate from a single power supply over a wide range of voltages. Originally developed by National Semiconductor and now continued by Texas Instruments, this component is part of the LMx24-N series. It features four independent, high-gain, internally frequency-compensated operational amplifiers, making it versatile for various analog circuit applications.
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 Over Full Temperature Range (RL = ∞, V+ = 30 V) | 1.5 mA | 3 mA | - |
| Large Signal Voltage Gain (V+ = 15 V, RL ≥ 2 kΩ, TA = 25°C) | 50 V/mV | 100 V/mV | - |
| Unity Gain Bandwidth (TA = 25°C) | - | 1 MHz | - |
| Slew Rate (TA = 25°C) | - | 0.5 V/μs | - |
| Supply Voltage Range | 3 V | - | 32 V |
| Operating Temperature Range | 0°C | - | 70°C |
Key Features
- Low Power Consumption: Suitable for battery operation and other power-sensitive applications.
- Single Supply Operation: Can operate from a single power supply over a wide range of voltages (3 V to 32 V).
- Four Internally Compensated Op Amps: Four independent op amps in a single package, making it space-efficient.
- Temperature Compensated: Input bias current and unity gain cross frequency are temperature compensated.
- Wide Input Common-Mode Range: Includes ground and can go up to V+ - 1.5 V.
- Compatibility with Logic: Compatible with all forms of logic.
- Large Output Voltage Swing: Output voltage can swing to ground even with a single power supply.
Applications
- Transducer Amplifiers: Used to amplify signals from transducers.
- DC Gain Blocks: Utilized in DC gain stages.
- Conventional Op Amp Circuits: Suitable for various conventional op amp circuits.
- Amplifiers, Filters, Oscillators, Comparators, Integrators and Differentiators: Can be used in a wide range of analog circuits.
- Signal Conditioning and Sensor Interfacing: Used for conditioning and interfacing with sensors.
- Power Supply Circuits and Voltage-Follower (Buffer) Circuits: Can be used in power supply and buffer circuits.
Q & A
- What is the LM324N/NOPB?
The LM324N/NOPB is a low-power, quad operational amplifier designed to operate from a single power supply over a wide range of voltages.
- Who originally developed the LM324N/NOPB?
The LM324N/NOPB was originally developed by National Semiconductor, which is now part of Texas Instruments.
- What is the supply voltage range of the LM324N/NOPB?
The supply voltage range is from 3 V to 32 V.
- How many operational amplifiers are in the LM324N/NOPB package?
There are four independent operational amplifiers in a single package.
- What is the typical input bias current of the LM324N/NOPB?
The typical input bias current is 50 nA at 25°C.
- What is the unity gain bandwidth of the LM324N/NOPB?
The unity gain bandwidth is approximately 1 MHz at 25°C.
- Is the LM324N/NOPB suitable for battery-operated devices?
Yes, it is suitable due to its low power consumption.
- What are some common applications of the LM324N/NOPB?
Common applications include transducer amplifiers, DC gain blocks, and conventional op amp circuits.
- Can the LM324N/NOPB operate with a single power supply?
Yes, it can operate from a single power supply over a wide range of voltages.
- What is the operating temperature range of the LM324N/NOPB?
The operating temperature range is from 0°C to 70°C.
