Maxim Integrated MAX7439ETP+ Overview

The MAX7439ETP+ from Maxim Integrated is a high-performance, low-power, 5th-order, lowpass, elliptic, switched-capacitor filter that is highly optimized for anti-aliasing and DAC smoothing applications. This device is designed to operate with a single +5V power supply, making it suitable for a wide range of electronic systems.

Featuring a user-programmable corner frequency that can be set from 1Hz to 15kHz, the MAX7439ETP+ provides designers with the flexibility to tailor the filter characteristics to specific application requirements. The corner frequency can be easily adjusted through an external clock or by using the onboard oscillator.

Key Features

• Programmable Corner Frequency: The MAX7439ETP+ offers a programmable corner frequency, enabling precise filtering for various applications.
• Low-Power Consumption: With a typical operating current of just 1.5mA, this device is ideal for battery-powered and portable applications where power efficiency is critical.
• Single-Supply Operation: Operating from a single +5V supply, the MAX7439ETP+ simplifies power supply design and reduces system complexity.
• Onboard Oscillator: The inclusion of an onboard oscillator eliminates the need for external clock sources, further simplifying design and reducing component count.
• Elliptic Filter Response: The elliptic filter response provides sharp roll-off and excellent selectivity, making it suitable for applications requiring precise filtering.

Applications

The versatility of the MAX7439ETP+ makes it suitable for a variety of applications, including:

• Data acquisition systems
• Anti-aliasing filters for ADCs
• Smoothing filters for DACs
• Signal processing
• Audio and video equipment
• Medical instrumentation

With its robust feature set and flexibility, the MAX7439ETP+ is a prime choice for engineers and designers looking to implement high-quality filtering in their electronic designs. Its compact TQFN-20 package also makes it an excellent option for space-constrained applications.