Overview
The LM324ADR is a quadruple operational amplifier produced by Texas Instruments. It is part of the next-generation LM324B and LM2902B series, which are designed to offer improved specifications and enhanced performance. These devices are unity-gain stable and provide low offset voltage, high differential input voltage capability, and a wide supply voltage range, making them suitable for a variety of cost-sensitive applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC-14 | |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage Range | 3 to 36 | V |
| Input Offset Voltage (LM324B) | ±3.0 | mV |
| Input Offset Voltage (LM324BA) | ±2.0 | mV |
| ESD Rating (HBM) | 2kV | |
| ESD Rating (CDM) | 1.5kV | |
| Input Bias Current | 50nA (max) | |
| Common-Mode Input Voltage Range | Includes V– | |
| Differential Input Voltage | Up to supply voltage | |
| Bandwidth | 1.2MHz | |
| Slew Rate | 0.5V/μs |
Key Features
- Next-generation LM324B and LM2902B devices, offering improved specifications over previous versions.
- 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 RF and EMI filter for improved noise rejection.
- 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.
Q & A
- What is the LM324ADR?
The LM324ADR is a quadruple operational amplifier from Texas Instruments, part of the next-generation LM324B and LM2902B series. - What is the operating temperature range of the LM324ADR?
The operating temperature range is 0 to 70°C. - What is the supply voltage range for the LM324ADR?
The supply voltage range is 3V to 36V. - What is the input offset voltage for the LM324B and LM324BA versions?
The input offset voltage is ±3mV for LM324B and ±2mV for LM324BA. - What is the ESD rating for the LM324ADR?
The ESD rating is 2kV (HBM) and 1.5kV (CDM). - Does the LM324ADR have integrated noise filters?
Yes, it has integrated RF and EMI filters. - What is the common-mode input voltage range for the LM324ADR?
The common-mode input voltage range includes V–. - Can the input voltage differential be driven up to the supply voltage?
Yes, it can be driven up to the supply voltage. - What are some typical applications of the LM324ADR?
Typical applications include power supply units, multi-function printers, power supplies, desktop PCs, and various household appliances. - Is the LM324ADR unity-gain stable?
Yes, the LM324ADR is unity-gain stable. - Can the LM324ADR replace older versions of LM224, LM324, and LM2902?
Yes, the B versions are drop-in replacements for all versions of LM224, LM324, and LM2902.
