Pending

Compact LNA for Automotive RKE and TPM Systems Provides Optimum Performance and Current Consumption

23rd July 2009
ES Admin
Maxim has announced the MAX2634, a low-noise amplifier (LNA) optimized for remote keyless entry (RKE) and tire pressure monitoring (TPM) applications operating in the 315MHz and 433MHz bands. Designed using the Company's SiGe BiCMOS process, this fully integrated LNA improves receiver sensitivity with an ultra-low, 1.25dB noise figure, while consuming a mere 2.5mA (typ) of supply current. The MAX2634 provides superior performance and current consumption in a smaller footprint than both discrete designs and highly integrated CMOS solutions.
The MAX2634 features a logic-enabled shutdown mode that reduces supply current to less than 1microamp, thus eliminating the two discrete transistors typically required to implement a shutdown function. Furthermore, this LNA removes the need for external DC-blocking capacitors, enabling a very small solution footprint for today's continually shrinking key-fob designs.

Additionally, the MAX2634 is fully qualified to meet the certification requirements of the AEC-Q100 standard. Customers can design-in the MAX2634 with full confidence that it will withstand the demanding external conditions experienced by automotive designs in the real world.

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