Overview
The LM324KDR is a quad operational amplifier (op-amp) produced by Texas Instruments. It is part of the next-generation LM324B and LM2902B series, which are designed to be drop-in replacements for all versions of the LM224, LM324, and LM2902 devices. These op-amps are known for their high voltage capability, low offset voltage, and robust environmental tolerance, making them suitable for a wide range of cost-sensitive 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) | kV |
| Input Bias Current | 50nA maximum (across –40°C to 125°C) | nA |
| Common-Mode Input Voltage Range | Includes V– | - |
| Input Voltage Differential | Up to supply voltage | - |
| Quiescent Current per Amplifier | 240µA typical | µA |
| Operating Temperature Range | 0°C to 70°C | °C |
| Package Type | SOIC (D), 14-Pin | - |
Key Features
- Next-generation LM324B and LM2902B devices with improved specifications.
- 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 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
- Mechanical 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 supply voltage range of the LM324KDR?
The supply voltage range of the LM324KDR is 3V to 36V.
- What is the input offset voltage of the LM324KDR?
The input offset voltage is ±2mV for the BA version and ±3mV for the B version.
- What is the ESD rating of the LM324KDR?
The ESD rating is 2kV (HBM) and 1.5kV (CDM).
- What is the input bias current of the LM324KDR?
The input bias current is 50nA maximum across –40°C to 125°C.
- Can the LM324KDR be used in place of older LM324 models?
- What is the operating temperature range of the LM324KDR?
The operating temperature range is 0°C to 70°C.
- What package types are available for the LM324KDR?
The LM324KDR is available in a 14-Pin SOIC (D) package.
- What are some common applications of the LM324KDR?
Common applications include power supplies, multi-function printers, desktop PCs, and home appliances like air conditioners and refrigerators.
- Does the LM324KDR have integrated noise rejection features?
- What is the quiescent current per amplifier for the LM324KDR?
The quiescent current per amplifier is 240µA typical.
