MAX2538ETI-G104

Overview

The MAX2538ETI-G104 is a quad-mode PCS/cellular/GPS LNA/mixer IC from the Maxim Integrated family, optimized for CDMA, GSM, and TDMA applications. It features dual IF ports for cellular/PCS signals and a dedicated GPS IF port. The device supports frequencies from 869MHz to 1.99GHz with a 0.9dB LNA noise figure. Packaged in a 28-TQFN (5x5mm) surface-mount case, it operates between -40°C and +85°C. It is lead-free, RoHS compliant, and classified under ECCN EAR99.

Feature Summary

• Quad-mode operation supporting PCS, Cellular, and GPS bands
• Dual IF routing for flexible cellular/PCS signal processing
• Dedicated GPS LNA/mixer signal path for E911 assistance
• Optimized dynamic range at minimum current consumption

Applications

• CDMA cellular front-end systems
• GSM and TDMA receiver architectures
• E911 location services modules
• Traveler assistance GPS receivers

Procurement Notes

Verify component authenticity through authorized Analog Devices or Maxim Integrated distributors. Confirm package marking matches the 28-TQFN specification. Check datasheet revision history for functional updates. Ensure environmental compliance documentation aligns with project requirements. Validate pinout compatibility during integration planning.

Selection Notes

Select this component for multi-standard mobile phone designs requiring integrated LNA and mixer functionality. Consider its low noise figure for sensitive reception applications. Evaluate the dual-IF architecture for complex filter implementations. Assess power consumption constraints against the device's optimization characteristics. Verify thermal performance within the specified operating temperature range.

Part Context

This part belongs to the MAX2351/MAX2354/MAX2358/MAX2359/MAX2530/MAX2531/MAX2537/MAX2538 family of single-die multi-band LNA/mixer ICs. These devices are specifically engineered for wireless communication standards including CDMA, GSM, and TDMA. The family shares common architectural features for efficient front-end signal processing in portable electronic devices.

Replacement Considerations

Compatible substitutes include MAX2530ETI, MAX2531ETI, MAX2537ETI, and other members of the MAX2538 family. Verify pinout and electrical specifications before substitution. Ensure the replacement part supports the required frequency bands and mode configurations.