Maxim Integrated MAX7413EUA+T - 5th-Order, Lowpass, Elliptic, Switched-Capacitor Filters

The MAX7413EUA+T from Maxim Integrated is a high-performance, 5th-order, lowpass, elliptic, switched-capacitor filter that significantly reduces the component count in digital filtering applications. This device is particularly well-suited for anti-aliasing and post-DAC filtering applications, where precision and minimal design complexity are required.

Key Features

• Fixed Frequency Response: The MAX7413EUA+T is designed with a fixed frequency response, eliminating the need for external resistors or capacitors to set the filter characteristics. This ensures a stable and reliable performance in a variety of applications.
• Low Power Consumption: Operating with a single +5V supply, this device offers a low-power solution for battery-powered devices, with a typical operating current of only 1.5mA.
• High Precision: The 5th-order elliptic filter response provides a sharp transition band and an excellent stopband attenuation, making it ideal for precise filtering requirements.
• Easy Integration: The MAX7413EUA+T comes in a compact 8-pin µMAX package, facilitating easy integration into space-constrained designs.
• Clock-Tunable Cut-off Frequency: The filter's 3dB cut-off frequency is directly proportional to the clock frequency, allowing for flexibility in tuning the filter's performance to specific application needs.

Applications

The versatility of the MAX7413EUA+T makes it suitable for a wide range of applications, including:

• Anti-Aliasing for Data Acquisition Systems
• Post-DAC Filtering
• Signal Processing
• Medical Instrumentation
• Communication Systems

Conclusion

Maxim Integrated's MAX7413EUA+T is an ideal solution for designers looking for a high-performance, easy-to-use lowpass filter. With its low power consumption, high precision, and small footprint, it meets the needs of a variety of high-end filtering applications. Its fixed frequency response and clock-tunable cut-off frequency provide the flexibility required for precise signal processing tasks.