Overview
The LM324KAD is a quadruple operational amplifier (op amp) produced by Texas Instruments. It is part of the LM324 family, which is known for its high performance and versatility in various applications. The LM324KAD is an enhanced version of the original LM324, offering improved specifications and robustness. This device is particularly useful in cost-sensitive applications that require high voltage operation and low offset voltages.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 3V to 36V |
| Input Offset Voltage | ±3mV (B version), ±2mV (BA version) |
| Input Bias Current | 50nA maximum (across –40°C to 125°C) |
| Common-Mode Input Voltage Range | Includes V– |
| Differential Input Voltage | Up to supply voltage |
| ESD Rating | 2kV (HBM), 1.5kV (CDM) |
| Package Types | SOIC (14-pin), TSSOP (14-pin), PDIP (14-pin), SOP (14-pin), SSOP (14-pin) |
| Operating Temperature Range | –40°C to 125°C |
| Quiescent Current per Amplifier | 240µA typical |
Key Features
- Improved specifications of B version, including lower input offset voltage and higher ESD rating.
- Integrated RF and EMI filter for enhanced noise rejection.
- Unity-gain stable with high differential input voltage capability.
- Common-mode input voltage range includes V–.
- Drop-in replacement for all versions of LM224, LM324, and LM2902.
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 LM324KAD?
The supply voltage range of the LM324KAD is 3V to 36V. - What is the typical input offset voltage of the LM324KAD?
The typical input offset voltage is ±3mV for the B version and ±2mV for the BA version. - What is the maximum input bias current of the LM324KAD?
The maximum input bias current is 50nA across –40°C to 125°C. - What is the common-mode input voltage range of the LM324KAD?
The common-mode input voltage range includes V–. - Can the LM324KAD be used as a drop-in replacement for other LM324 versions?
Yes, the LM324KAD can be used as a drop-in replacement for all versions of LM224, LM324, and LM2902. - What are the package types available for the LM324KAD?
The LM324KAD is available in SOIC (14-pin), TSSOP (14-pin), PDIP (14-pin), SOP (14-pin), and SSOP (14-pin) packages. - What is the operating temperature range of the LM324KAD?
The operating temperature range is –40°C to 125°C. - What is the quiescent current per amplifier of the LM324KAD?
The quiescent current per amplifier is 240µA typical. - Does the LM324KAD have integrated EMI and RF filters?
Yes, the LM324KAD has integrated EMI and RF filters. - What are some common applications of the LM324KAD?
Common applications include power supplies, mobile chargers, desktop PCs, air conditioners, and uninterruptible power supplies.
