MAX265BCWI+

Overview

The MAX265BCWI+ is a resistor-pin-programmable, universal switched capacitor filter IC manufactured by Analog Devices Inc. (formerly Maxim Integrated). It is housed in a 28-SOIC surface-mount package and operates as a second-order active filter. The device supports a supply voltage range of 4.74V to 12.6V, or ±2.37V to ±6.3V. It features an integrated clock oscillator and allows for frequency programming via external resistors. The component is designed for embedded communication applications and offers stable operation with good integration into existing software tools.

Feature Summary

• Resistor-pin-programmable architecture enables flexible frequency configuration without digital interfaces.
• Integrated clock oscillator eliminates the need for external timing components.
• Universal switched capacitor design supports various filter functions including low-pass, high-pass, band-pass, and notch configurations.

Applications

• Embedded communication systems requiring signal conditioning
• High-frequency filtering applications in industrial equipment
• Data acquisition systems needing anti-aliasing or noise reduction

Procurement Notes

Verify component authenticity through authorized distributors due to obsolete lifecycle status. Confirm package integrity and pin alignment upon receipt. Check for lead-free compliance markings consistent with the '+' suffix. Ensure storage conditions maintain moisture sensitivity levels prior to soldering.

Selection Notes

Select this component when a programmable analog filter is required without complex digital control. Consider the 28-SOIC package size for board space constraints. Verify that the supply voltage range matches the system power rails. Evaluate if the switched capacitor topology meets the specific frequency response requirements compared to discrete RC solutions.

Part Context

This part belongs to the MAX265 series of universal switched capacitor filters. It represents a legacy product line from Maxim Integrated, now under Analog Devices. The BCWI+ designation indicates a specific temperature grade and lead-free packaging variant within the broader family of programmable filters.

Replacement Considerations

As an obsolete component, direct substitutes may be limited. Review Analog Devices' current portfolio for modern switched capacitor filters with similar pinouts or functionality. Consult distributor cross-reference lists for compatible alternatives that meet the same electrical specifications and package dimensions.