Overview
The LM324AM/NOPB is a quad operational amplifier (op-amp) produced by Texas Instruments. It is part of the LM124-N series, which consists of four independent, high-gain, internally frequency-compensated operational amplifiers. These op-amps are designed to operate from a single power supply over a wide range of voltages, making them versatile for various applications. The LM324AM/NOPB is particularly useful in systems where dual power supplies are not available, as it can operate from a single supply voltage and still provide the necessary performance.
Key Specifications
| Specification | Value |
|---|---|
| Package | SOIC (D), 14 Pins |
| Operating Temperature Range (°C) | 0 to 70 |
| Power Supply Range | Single Supply: 3 V to 32 V, Dual Supplies: ±1.5 V to ±16 V |
| Supply Current | 700 µA (typical) |
| Large DC Voltage Gain | 100 dB |
| Bandwidth (Unity Gain) | 1 MHz (Temperature Compensated) |
| Input Bias Current | 45 nA (typical) |
| Input Offset Voltage | 2 mV (typical) |
| Input Offset Current | 5 nA (typical) |
| Input Common-Mode Voltage Range | Includes Ground, up to V+ - 1.5 V |
| Output Voltage Swing | 0 V to V+ - 1.5 V |
Key Features
- Internally frequency compensated for unity gain.
- Large DC voltage gain of 100 dB.
- Wide bandwidth of 1 MHz (temperature compensated).
- Wide power supply range: single supply from 3 V to 32 V or dual supplies from ±1.5 V to ±16 V.
- Very low supply current drain (700 µA), essentially independent of supply voltage.
- Low input biasing current (45 nA) and low input offset voltage (2 mV) and offset current (5 nA), all temperature compensated.
- Input common-mode voltage range includes ground and can go up to V+ - 1.5 V.
- Large output voltage swing from 0 V to V+ - 1.5 V.
- Compatible with all forms of logic and suitable for battery operation.
- Allows direct sensing near GND and VOUT, and the output voltage can swing to ground even with a single power supply.
Applications
- Transducer amplifiers.
- DC gain blocks.
- Conventional op-amp circuits, especially in single power supply systems.
- Interface electronics in digital systems, operating directly from standard 5-V power supply voltage without the need for additional ±15 V power supplies.
Q & A
- What is the operating temperature range of the LM324AM/NOPB?
The operating temperature range is from 0°C to 70°C.
- What are the power supply options for the LM324AM/NOPB?
The LM324AM/NOPB can operate from a single supply voltage of 3 V to 32 V or from dual supplies of ±1.5 V to ±16 V.
- What is the typical supply current of the LM324AM/NOPB?
The typical supply current is 700 µA.
- What is the DC voltage gain of the LM324AM/NOPB?
The DC voltage gain is 100 dB.
- What is the bandwidth of the LM324AM/NOPB at unity gain?
The bandwidth at unity gain is 1 MHz, which is temperature compensated.
- What is the input bias current of the LM324AM/NOPB?
The input bias current is typically 45 nA.
- What is the input offset voltage of the LM324AM/NOPB?
The input offset voltage is typically 2 mV.
- Can the LM324AM/NOPB operate with a single power supply?
- What are some common applications of the LM324AM/NOPB?
- Is the LM324AM/NOPB suitable for battery operation?
