Overview
The LM324NSR, produced by Texas Instruments, is a next-generation quad operational amplifier (op amp) that builds upon the industry-standard LM324 and LM2902 devices. This component is part of the LM324B and LM2902B series, offering improved specifications and enhanced performance. It is designed to provide outstanding value for cost-sensitive applications, featuring low offset voltage, high differential input voltage capability, and a wide supply voltage range. The LM324NSR is unity-gain stable and includes integrated EMI and RF filters, making it suitable for rugged and environmentally challenging applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 3V to 36V | V |
| Input Offset Voltage | ±2mV (BA version) / ±3mV (B version) | mV |
| ESD Rating | 2kV (HBM), 1.5kV (CDM) | V |
| Input Bias Current | 50nA maximum | nA |
| Common-Mode Input Voltage Range | Includes V– | V |
| Operating Temperature Range | 0 to 70°C | °C |
| Package Type | SOP (NS), 14 pins | |
| Quiescent Current per Amplifier | 240µA typical | µA |
Key Features
- B versions are drop-in replacements for all versions of LM224, LM324, and LM2902.
- Wide supply voltage range: 3V to 36V (B, BA versions).
- Low input offset voltage: ±2mV (BA version) / ±3mV (B version).
- High ESD rating: 2kV (HBM), 1.5kV (CDM).
- Integrated EMI and RF filters.
- Low input bias current: 50nA maximum across –40°C to 125°C.
- Common-mode input voltage range includes V–.
- Input voltage differential can be driven up to supply voltage.
Applications
- Merchant network and server power supply units.
- Multi-function printers.
- Power supplies and mobile chargers.
- Desktop PC and motherboard.
- Indoor and outdoor air conditioners.
- Washers, dryers, and refrigerators.
- AC inverters, string inverters, central inverters, and voltage frequency drives.
- Uninterruptible power supplies.
Q & A
- What is the supply voltage range of the LM324NSR?
The supply voltage range of the LM324NSR is 3V to 36V. - What is the input offset voltage of the LM324NSR?
The input offset voltage is ±2mV for the BA version and ±3mV for the B version. - What is the ESD rating of the LM324NSR?
The ESD rating is 2kV (HBM) and 1.5kV (CDM). - Does the LM324NSR have integrated EMI and RF filters?
Yes, the LM324NSR includes integrated EMI and RF filters. - What is the input bias current of the LM324NSR?
The input bias current is 50nA maximum across –40°C to 125°C. - Can the LM324NSR replace older versions of LM224, LM324, and LM2902?
Yes, the B versions of the LM324NSR are drop-in replacements for all versions of LM224, LM324, and LM2902. - What is the operating temperature range of the LM324NSR?
The operating temperature range is 0 to 70°C. - What are some common applications of the LM324NSR?
Common applications include power supplies, multi-function printers, desktop PCs, air conditioners, and uninterruptible power supplies. - What package type is the LM324NSR available in?
The LM324NSR is available in SOP (NS) package with 14 pins. - What is the quiescent current per amplifier of the LM324NSR?
The quiescent current per amplifier is 240µA typical.
