Overview
The LM324DRE4, produced by Texas Instruments, is a quad operational amplifier that belongs to the next-generation LM324B and LM2902B family. These devices are designed to provide high performance and reliability, making them suitable for a wide range of applications. The LM324B and LM2902B are drop-in replacements for all versions of the LM224, LM324, and LM2902, offering improved specifications and enhanced features.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (D) - 14 pins |
| Operating Temperature Range | 0°C to 70°C |
| Supply Voltage Range | 3V to 36V |
| Input Offset Voltage | ±2mV (BA version), ±3mV (B version) |
| ESD Rating | 2kV (HBM), 1.5kV (CDM) |
| Input Bias Current | 50nA maximum (across –40°C to 125°C) |
| Common-Mode Input Voltage Range | Includes V– |
| Differential Input Voltage | Can be driven up to supply voltage |
| Quiescent Current per Amplifier | 240µA typical |
Key Features
- Next-generation LM324B and LM2902B devices with improved specifications.
- Drop-in replacements for all versions of LM224, LM324, and LM2902.
- Low input offset voltage: ±2mV (BA version) / ±3mV (B version).
- High ESD rating: 2kV (HBM), 1.5kV (CDM).
- Integrated RF and EMI filter for enhanced 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 operating temperature range of the LM324DRE4?
The operating temperature range of the LM324DRE4 is 0°C to 70°C. - What is the supply voltage range for the LM324B and LM2902B devices?
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 ±2mV for the BA version and ±3mV for the B version. - What is the ESD rating of the LM324B and LM2902B devices?
The ESD rating is 2kV (HBM) and 1.5kV (CDM). - Can the LM324B and LM2902B devices be used as drop-in replacements for other LM series op-amps?
Yes, they can drop-in replace all versions of the LM224, LM324, and LM2902 devices. - What is the common-mode input voltage range for the LM324B and LM2902B devices?
The common-mode input voltage range includes V–. - What is the maximum input bias current for the LM324B and LM2902B devices?
The maximum input bias current is 50nA across –40°C to 125°C. - What types of applications are the LM324B and LM2902B devices suitable for?
They are suitable for various applications including power supply units, multi-function printers, power supplies, mobile chargers, and household appliances. - Do the LM324B and LM2902B devices have integrated noise filters?
Yes, they have integrated RF and EMI filters. - What is the quiescent current per amplifier for the LM324B and LM2902B devices?
The quiescent current per amplifier is 240µA typical.
