MAX7404CSA+T

Description：IC FILTER 10KHZ LOWPASS 8SOIC
Series：-

SKU:2afb0d9b9bd2 Category: Filters - Active Brand: Analog Devices Inc./Maxim Integrated

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Product introduction

Product Detailed Parameters

Description：IC FILTER 10KHZ LOWPASS 8SOIC
Series：-
Mfr：Analog Devices Inc./Maxim Integrated
Package：Tape & Reel (TR)
Filter Type：Elliptic, Low Pass Switched Capacitor
Frequency - Cutoff or Center：10kHz
Number of Filters：1
Filter Order：8th
Voltage - Supply：2.7V ~ 3.6V
Mounting Type：Surface Mount
Package / Case：8-SOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SOIC
Grade：-
Qualification：-

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MAX7404CSA+T

Overview

The MAX7404CSA+T is an 8th-order, lowpass, elliptic switched-capacitor filter operating from a single +3V supply. It provides 82dB of stopband rejection with a transition ratio of 1.5 and draws 2mA in normal mode, reducing to 0.2µA in shutdown. The corner frequency ranges from 1Hz to 10kHz via a 100:1 clock-to-corner ratio. It features a low output offset of ±5mV and includes an offset adjustment pin for DC level shifting.

Feature Summary

8th-order lowpass elliptic filter response
Low noise and distortion performance
Clock-tunable corner frequency
Single-supply operation

Applications

ADC anti-aliasing
Speech processing
Post-DAC filtering
Air-bag electronics
CT2 base stations

Procurement Notes

Verify the component against official Analog Devices documentation to confirm authenticity. Ensure the ordering suffix matches the required temperature range and packaging specifications. Cross-reference the manufacturer part number with authorized distributor listings to validate sourcing channels.

Selection Notes

Select this device for applications requiring sharp rolloff and high stopband rejection within a single +3V supply system. Consider the internal oscillator or external clock options based on the required cutoff frequency precision and stability needs.

Part Context

This component belongs to the MAX7400 family of 8th-order lowpass elliptic switched-capacitor filters. It shares architectural similarities with the MAX7400, MAX7403, and MAX7407, differing primarily in operating voltage and filter transition ratio characteristics.

Replacement Considerations

MAX7400ESA+T

FAQ

How is the corner frequency determined?

The corner frequency is set by the clock frequency using a 100:1 ratio, either through an external clock source or an internal oscillator controlled by an external capacitor.

What is the purpose of the OS pin?

The OS pin allows for the adjustment of the DC output level. Connecting it to COM sets the default bias, while an external voltage can be applied for offset adjustment.