MAX2742ECM+TD

RF Front End (LNA + PA) Overview

The MAX2742ECM+TD is a single-chip GPS RF front-end receiver by Analog Devices Inc./Maxim Integrated. It integrates an LNA, mixer, IF section, digital sampler, and local oscillator synthesizer. Key parameters include a typical noise figure of 4.5dB, power consumption of 32mW at +2.4V, and operation within a +2.4V to +3.6V supply range. The device supports frequencies at 1575.42MHz with single-ended or differential outputs at 1.023MHz.

RF Front End (LNA + PA) Feature Summary

• Integrates low-noise amplifier and RF filter without external SAW filters
• Provides automatic gain control for signal optimization
• Supports extended temperature range from -40°C to +85°C

RF Front End (LNA + PA) Applications

• In-Vehicle Navigation Systems (IVNS)
• Location-Based Services for PDAs and Accessories
• Recreational Handheld/Walkie Talkies
• Geographical Information Systems (GISs)
• Telematics including Vehicle and Asset Tracking

RF Front End (LNA + PA) Procurement Notes

Verify the specific suffix '+TD' against official manufacturer documentation to confirm tape-and-reel packaging and lead-free compliance status. Ensure the ordering part number matches the exact package variant required for your assembly process. Cross-reference the manufacturer's latest datasheet revision to confirm pinout compatibility and electrical specifications before finalizing procurement orders.

RF Front End (LNA + PA) Selection Notes

Select this component for applications requiring a complete single-chip GPS solution that eliminates bulky discrete IF filters. It is suitable for designs prioritizing extremely low power consumption and high performance in compact form factors. Consider its wide operational voltage range and integrated synthesizer when designing power management and RF sections for portable navigation devices.

RF Front End (LNA + PA) Part Context

This part belongs to the MAX2742 series of wireless and RF high-performance devices designed for ASK and FSK data applications. It serves as a state-of-the-art GPS front-end utilizing innovative RF CMOS design techniques. The device is manufactured by Maxim Integrated, now part of Analog Devices Inc., focusing on low-power consumer electronics and navigation systems.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing circuit designs if considering alternative GPS front-ends, as integration levels and pinouts may vary significantly between different manufacturers' solutions.