Linear Technology's LT1490CS8 Dual Operational Amplifier
The LT1490CS8 is a high-performance, dual operational amplifier (op-amp) produced by Linear Technology, now part of Analog Devices. This precision device is designed to operate with a supply range of 2.2V to 36V, making it a versatile choice for various applications, including portable and low-voltage systems. Its unique combination of low power consumption and high accuracy specifications make it an ideal selection for battery-powered and energy-efficient designs.
Key Features:
- Low Supply Voltage: The op-amp functions effectively in systems with supply voltages as low as 2.2V, which is perfect for single lithium-ion or multiple alkaline/NiCad cell-powered applications.
- Low Input Bias Current: With an input bias current of just 250pA, the LT1490CS8 is suitable for precision applications where input current minimization is crucial, such as sensor interfaces and integrators.
- Low Power Consumption: The device has a quiescent current of just 50µA per amplifier, making it an energy-efficient option for power-sensitive designs.
- Wide Input Common-Mode Range: The input common-mode range includes ground, ensuring the op-amp is capable of single-supply operation and can process signals near the lower rail without distortion.
- Output Swings to Ground: The output can swing to within millivolts of the ground, providing maximum dynamic range in single-supply operations.
- Stable with Capacitive Loads: The LT1490CS8 remains stable with capacitive loads up to 10,000pF, which is beneficial for applications requiring capacitive filtering or driving long cables.
Applications:
The LT1490CS8 is ideal for a wide range of applications, including:
- Portable instrumentation
- Low-voltage data acquisition systems
- Battery-operated and portable equipment
- Active filters
- Notebook and automotive electronics
- Signal conditioning
Enclosed in an 8-lead SOIC package, the LT1490CS8 is not only compact but also offers robust performance in a small form factor. Its specifications and package design make it an excellent choice for space-constrained applications where performance cannot be compromised.
With its precision characteristics and low power operation, the LT1490CS8 from Linear Technology stands out as a reliable component for designers looking to enhance the efficiency and accuracy of their electronic systems.
