Overview
The LM324KAPWR is a next-generation, quad operational amplifier (op amp) from Texas Instruments. It is part of the LM324 series, which includes four high-voltage (36V) op amps. This device is designed to provide outstanding value for cost-sensitive applications, offering improved specifications over its predecessors. The LM324KAPWR is unity-gain stable and features low offset voltage, common-mode input range to ground, and high differential input voltage capability, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP (PW) | - |
| Pins | 14 | - |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage Range | 3 to 36 | V |
| Input Offset Voltage | ±3mV (B version), ±2mV (BA version) | mV |
| ESD Rating | 2kV (HBM), 1.5kV (CDM) | - |
| Input Bias Current | 50nA maximum | nA |
| Quiescent Current per Amplifier | 240µA typical | µA |
| Common-Mode Input Voltage Range | Includes V– | - |
| Input Voltage Differential | Up to supply voltage | - |
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.
- Supply 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 filters 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
The LM324KAPWR is suitable for a variety of applications, including:
- Cost-sensitive designs where high performance and reliability are required.
- Environmentally challenging applications due to its high ESD and integrated EMI/RF filters.
- Audio and video processing, where low noise and high differential input voltage capability are essential.
- Industrial control systems, medical devices, and automotive systems where robustness and reliability are critical.
Q & A
- What is the operating temperature range of the LM324KAPWR?
The operating temperature range is 0°C to 70°C.
- What is the supply voltage range for the LM324KAPWR?
The supply voltage range is 3V to 36V.
- What is the input offset voltage for the LM324KAPWR?
The input offset voltage is ±3mV for the B version and ±2mV for the BA version.
- What is the ESD rating of the LM324KAPWR?
The ESD rating is 2kV (HBM) and 1.5kV (CDM).
- Can the LM324KAPWR replace older versions of LM324 and LM2902?
Yes, the B versions are drop-in replacements for all versions of LM224, LM324, and LM2902.
- What is the common-mode input voltage range of the LM324KAPWR?
The common-mode input voltage range includes V–.
- What is the quiescent current per amplifier for the LM324KAPWR?
The quiescent current per amplifier is 240µA typical.
- Does the LM324KAPWR have integrated EMI and RF filters?
Yes, it has integrated EMI and RF filters for enhanced noise rejection.
- What is the input bias current of the LM324KAPWR?
The input bias current is 50nA maximum across –40°C to 125°C.
- Can the input voltage differential be driven up to the supply voltage?
Yes, the input voltage differential can be driven up to the supply voltage.
