MAX9987ETP+

Overview

The MAX9987ETP+ is a silicon-based RF IC functioning as an LO buffer and splitter. It operates within a frequency range of 700 MHz to 1.1 GHz, supporting cellular and GSM applications. The device provides 40 dB reverse isolation and requires a 5 V supply with a typical current draw of 221 mA. Packaged in a 20-TQFN (5x5 mm) exposed pad surface-mount format, it supports an operating temperature range from -40°C to +85°C.

Feature Summary

• Integrated local oscillator buffering and signal splitting capabilities for RF front-end architectures
• High reverse isolation performance to minimize signal feedback and interference
• Designed specifically for cellular and GSM wireless communication standards

Applications

• Cellular base station transmitter chains
• GSM network infrastructure equipment
• RF test and measurement instrumentation

Procurement Notes

Verify the component status carefully, as public records indicate this specific part number may be obsolete or discontinued. Confirm availability through authorized distributors and check for valid RoHS compliance documentation before integration into new designs.

Selection Notes

Select this component when designing systems requiring precise LO distribution for GSM frequencies. Ensure the PCB layout accommodates the 20-TQFN package thermal requirements and that the power supply can sustain the specified 221 mA operational current without voltage droop.

Part Context

This device belongs to the Maxim Integrated RF amplifier and mixer portfolio, optimized for wireless communications. It serves as a critical interface between the synthesizer and power amplifiers, ensuring signal integrity in multi-stage RF transmission paths.

Replacement Considerations

Public data indicates this part is obsolete. Consult Analog Devices official substitution guides for compatible successors within the MAX99xx series or equivalent modern RF buffer/splitter solutions.