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Product Detailed Parameters
- Description：IC FILTER 25KHZ LOWPASS 16SOIC
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Filter Type：Butterworth, Low Pass Switched Capacitor
- Frequency - Cutoff or Center：25kHz
- Number of Filters：1
- Filter Order：8th
- Voltage - Supply：4.75V ~ 11V, ±2.375V ~ 5.5V
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：16-SOIC
- Grade：-
- Qualification：-
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Overview
The MAX295EWE-T is an 8th-order, lowpass, switched-capacitor filter in the MAX291 series. It provides a Butterworth response with a corner frequency range of 0.1Hz to 50kHz. The device operates on a single +5V supply or dual ±5V supplies and features a clock-to-corner-frequency ratio of 50:1. It includes an internal oscillator controlled by an external capacitor or accepts an external clock signal. An uncommitted operational amplifier is integrated for post-filtering or anti-aliasing tasks.
Feature Summary
- Provides maximally flat passband response characteristic of Butterworth filters
- Supports both internal oscillator generation and external clock input
- Integrates an uncommitted operational amplifier for additional filtering stages
Applications
- ADC Anti-Aliasing Filter
- DAC Post-Filtering
- Noise Analysis
- 50Hz/60Hz Line-Noise Filtering
Procurement Notes
Verify that the suffix 'T' indicates tape-and-reel packaging as specified in the ordering information. Confirm the 'E' designation corresponds to the -40°C to +85°C industrial temperature range. Ensure the component matches the 8-pin SO package outline provided in the datasheet documentation.
Selection Notes
Select this component when a fixed 8th-order Butterworth response is required. Choose between the MAX295 and MAX296 based on the maximum corner frequency needs, as the MAX295 supports up to 50kHz compared to the MAX292's 25kHz limit. Verify that the available clock frequency allows for the desired 50:1 tuning ratio.
Part Context
This part belongs to the MAX291/MAX292/MAX295/MAX296 family of easy-to-use switched-capacitor filters. These devices are designed to minimize external components while delivering aggressive performance in small packages. The MAX295 specifically offers the Butterworth response variant within this series.
Replacement Considerations
The MAX295ESA+ serves as a direct pin-compatible replacement within the same product family. Both parts share identical electrical characteristics and functional diagrams.
