General Description

The MAX2420/MAX2421/MAX2422/MAX2460/MAX2463 are highly integrated front-end ICs that provide the lowest cost solution for cordless phones and ISM-band radios operating in the 900MHz band. All devices incorporate transmit and receive image-reject mixers to reduce filter cost. They operate with a +2.7V to +4.8V power supply, allowing direct connection to a three-cell battery stack.

Features

♦ Receive/Transmit Mixers with 35dB Image Rejection

♦ Adjustable-Gain LNA

♦ Up to +2dBm Combined Receiver Input IP3

♦ 4dB Combined Receiver Noise Figure

♦ >35dB of Transmit Power Control Range

♦ PA Predriver Provides up to +2dBm

♦ Low Current Consumption: 23mA Receive 26mA Transmit 9.5mA Oscillator

♦ 0.5µA Shutdown Mode

♦ Operates from Single +2.7V to +4.8V Supply

Applications

    Cordless Phones

    Spread-Spectrum Communications

    Wireless Telemetry

    Two-Way Paging

    Wireless Networks