The MAX7421CUA+T from Maxim Integrated is a high-performance, 8-pin, lowpass, elliptic, switched-capacitor filter that significantly reduces the complexity of implementing precision microprocessor-controlled filtering. This compact and efficient filter is well-suited for a wide range of applications, including data acquisition, communication systems, signal processing, and industrial controls.

Key Features

• Filter Type: The device implements a 5th-order lowpass elliptic filter, providing a sharp transition band and excellent stopband attenuation.
• Clock-Tunable Cut-off Frequency: The cut-off frequency is easily adjustable through an external clock, or it can be set internally by the on-chip oscillator.
• Single-Supply Operation: It operates from a single +5V power supply, simplifying power management in embedded systems.
• Low Power Consumption: Designed for power-sensitive applications, it consumes minimal power, making it ideal for portable and battery-operated devices.
• Small Package Size: Housed in a compact µMAX package, the MAX7421CUA+T saves valuable board space and is suitable for space-constrained applications.

Applications

The versatility of the MAX7421CUA+T allows it to be used in a variety of applications where precision filtering is required. Its typical applications include:

• Anti-aliasing for data acquisition systems
• Signal conditioning for communication systems
• Audio and video signal processing
• Industrial controls and instrumentation

Technical Specifications

With a user-selectable clock-to-corner frequency ratio of 50:1 or 100:1, the MAX7421CUA+T offers flexibility in design. The filter's characteristics are stable over temperature and voltage variations, ensuring reliable performance in all conditions. Additionally, its dynamic range is enhanced by the low noise and distortion figures.

Ordering Information

The MAX7421CUA+T is available in tape and reel packaging, facilitating automated assembly processes for high-volume production. It is part of Maxim Integrated's commitment to providing integrated solutions that streamline the design and manufacturing of electronic systems.