MAX2121ETI+

Overview

The MAX2121ETI+ is a complete direct-conversion L-band tuner designed for satellite set-top and Very Small Aperture Terminal (VSAT) applications. It operates within the frequency range of 925MHz to 2.175GHz, supporting RF types such as VSAT. The device is housed in a 28-WFQFN package with exposed pad, specifically a 28-TQFN (5x5) footprint, suitable for surface mount installation. It requires a minimum supply voltage of 3.13V and functions within a temperature range from -40°C to specified operational limits.

Feature Summary

• Complete direct-conversion architecture for L-band signal processing
• Integrated design optimized for satellite communication systems
• Supports surface mount installation via compact QFN packaging

Applications

• Satellite set-top terminals
• Very Small Aperture Terminal (VSAT) systems
• L-band receiver front-ends

Procurement Notes

Verify the specific manufacturer date code and lot traceability upon receipt to ensure component authenticity. Confirm that the received units match the exact MAX2121ETI+ designation, distinguishing them from similar variants like MAX2121BETI+. Check for physical integrity of the 28-TQFN package leads and exposed thermal pad. Ensure storage conditions comply with moisture sensitivity level requirements prior to soldering. Validate that the supplier provides official documentation or test reports confirming compliance with relevant standards.

Selection Notes

Select this component when designing for L-band satellite reception requiring integrated tuning capabilities. It is appropriate for applications needing direct conversion architectures to simplify system complexity. Consider the 28-TQFN package constraints for PCB layout and thermal management. Evaluate power supply requirements against the minimum 3.13V specification. Ensure the operating environment falls within the specified temperature range for reliable performance in VSAT or set-top contexts.

Part Context

The MAX2121ETI+ belongs to the Maxim Integrated family of RF tuners, now under Analog Devices Inc. It is part of a series of direct-conversion solutions targeting satellite communications. Similar parts include the MAX2121BETI+, which shares the same functional category but may differ in specific ordering suffixes or minor specifications. This component represents a specialized solution for L-band frequencies, distinct from general-purpose RF transceivers or baseband processors.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data. Verify compatibility with existing board designs if considering alternative L-band tuners.