MAX2670GTB/V+

RF Front End (LNA + PA) Overview

The MAX2670GTB/V+ is a GPS/GNSS front-end amplifier IC designed for satellite navigation applications. It operates at a frequency of 1575 MHz with a typical noise figure of 1 dB. The device supports a maximum supply voltage of 5.5 V and draws a typical operating current of 25 mA. It features a typical series gain of 34.8 dB and includes two LNA stages to accommodate wide-range GNSS filters. The component is housed in a 10-WFDFN exposed pad package (3x3 mm) and meets AEC-Q100 automotive qualification standards.

RF Front End (LNA + PA) Feature Summary

• Dual-stage Low Noise Amplifier architecture providing design flexibility for various GNSS filter implementations
• Automotive-grade reliability compliant with AEC-Q100 qualification standards
• Integrated ESD protection for enhanced signal integrity in antenna modules

RF Front End (LNA + PA) Applications

• Automotive GPS/GNSS satellite navigation antenna modules
• Marine GPS/GNSS satellite navigation antenna modules
• General-purpose GNSS receiver front-ends requiring high linearity and low noise

RF Front End (LNA + PA) Procurement Notes

Verify the specific ordering suffix, such as '+T' for tape-and-reel or absence thereof for tube packaging, against the manufacturer's official documentation. Confirm that the requested variant matches the required automotive qualification level and package type. Ensure compatibility with the target PCB footprint and thermal requirements before finalizing procurement orders.

RF Front End (LNA + PA) Selection Notes

Select this component when designing for L1 band GNSS applications requiring a single-chip solution with integrated dual-LNA stages. It is suitable for environments demanding AEC-Q100 compliance. Consider its 25 mA current consumption and 34.8 dB gain profile against system power budgets and sensitivity requirements compared to discrete amplifier solutions.

RF Front End (LNA + PA) Part Context

This part belongs to the Maxim Integrated GPS/GNSS front-end amplifier family. It serves as a specialized RF component for positioning systems, distinct from general-purpose RF amplifiers. The device integrates critical front-end functions into a compact TDFN package, simplifying the design of navigation antenna modules for automotive and marine sectors.

RF Front End (LNA + PA) Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the available documentation. Verify pinout and electrical parameter compatibility if considering alternative manufacturers. Consult Analog Devices Inc. technical support for validated cross-reference information.