The MAX4490AXK from Maxim Integrated is a high-performance operational amplifier (op amp) designed for a wide range of applications requiring low power consumption and rail-to-rail input/output capabilities. This op amp is available in compact SC70 and SOT23 packages, making it an ideal choice for space-constrained applications.
Key Features
- Rail-to-Rail Input/Output: The MAX4490AXK provides rail-to-rail input and output performance, which allows for a wide dynamic range and is especially beneficial in single-supply operations.
- Low Power Consumption: With a quiescent current of just 21µA, this op amp is optimized for battery-powered and portable devices where power efficiency is critical.
- Wide Supply Voltage Range: The device operates from a single supply voltage ranging from 2.5V to 5.5V, accommodating various application requirements.
- High Output Drive Capability: Despite its low-power design, the MAX4490AXK can drive 10kΩ and 100pF loads, making it versatile for driving both resistive and capacitive loads.
- Unity-Gain Stable: This operational amplifier is stable with capacitive loads up to 200pF, ensuring reliable performance in a feedback loop configuration.
Applications
The MAX4490AXK is suitable for a broad range of applications, including but not limited to:
- Battery-Powered Devices
- Portable Instrumentation
- Sensor Interfaces
- Active Filters
- Medical Devices
- Data Acquisition Systems
Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2.5V to 5.5V |
| Quiescent Current |
21µA |
| Package Type |
SC70, SOT23 |
The MAX4490AXK operational amplifier from Maxim Integrated is a reliable solution for designers looking for a low-power, high-performance op amp with rail-to-rail input/output in a small package. Its combination of features makes it a versatile component for modern electronic applications.