MAX7414EUA-T

Overview

The MAX7414EUA-T is a fifth-order, lowpass switched-capacitor filter from the Maxim Integrated MAX7409/MAX7410/MAX7413/MAX7414 family. It features a Butterworth response and operates on a single +3V supply with a typical current draw of 1.2mA in active mode and 0.2µA in shutdown mode. The corner frequency is tunable between 1Hz and 15kHz via an external clock or internal oscillator, maintaining a fixed 100:1 clock-to-corner ratio. Packaged in an 8-pin µMAX format (3.1mm x 3.1mm), it supports an operating temperature range of -40°C to +85°C.

Feature Summary

• Butterworth filter response providing a maximally flat passband for instrumentation applications
• Low-power operation with a dedicated shutdown mode reducing current consumption significantly
• Flexible clocking options allowing either self-clocking via an external capacitor or external clock input
• Offset adjust pin capability for precise DC output level tuning

Applications

• ADC anti-aliasing filtering
• DAC post-filtering
• Speech processing systems
• CT2 base stations

Procurement Notes

Verify that the specific ordering suffix corresponds to the tape-and-reel packaging variant required for automated assembly processes. Confirm the component meets the specified industrial temperature range requirements for the target deployment environment before finalizing procurement orders.

Selection Notes

Select this model when a Butterworth frequency response is required rather than the Bessel response found in the MAX7413. Ensure the system design accommodates a single +3V power rail. Verify that the application can provide the necessary clock signal or external timing capacitor to set the desired cutoff frequency within the 1Hz to 15kHz range.

Part Context

This component belongs to a series of fifth-order lowpass switched-capacitor filters manufactured by Analog Devices Inc./Maxim Integrated. The family includes variants optimized for different supply voltages and filter responses, such as the MAX7409 and MAX7413 which offer Bessel characteristics.

Replacement Considerations

The MAX7414EPA serves as a direct pin-compatible replacement offering the same electrical specifications in an 8-pin Plastic DIP package instead of the µMAX form factor.