GENERAL DESCRIPTION

The ADL5380 is a broadband quadrature I-Q demodulator that covers an RF/IF input frequency range from 400 MHz to 6 GHz. With a NF = 10.9 dB, IP1dB = 11.6 dBm, and IIP3 = 29.7 dBm @ 900 MHz, the ADL5380 demodulator offers outstanding dynamic range suitable for the demanding infrastructure direct-conversion requirements. The differential RF inputs provide a well-behaved broadband input impedance of 50 Ω and are best driven from a 1:1 balun for optimum performance.

FEATURES

Operating RF and LO frequency: 400 MHz to 6 GHz

Input IP3

30 dBm @ 900 MHz

28 dBm @1900 MHz

Input IP2: >65 dBm @ 900 MHz

Input P1dB (IP1dB): 11.6 dBm @ 900 MHz

Noise figure (NF)

10.9 dB @ 900 MHz

11.7 dB @ 1900 MHz

Voltage conversion gain: ~7 dB

Quadrature demodulation accuracy @ 900 MHz

Phase accuracy: ~0.2°

Amplitude balance: ~0.07 dB

Demodulation bandwidth: ~390 MHz

Baseband I/Q drive: 2 V p-p into 200 Ω

Single 5 V supply

APPLICATIONS

Cellular W-CDMA/GSM/LTE

Microwave point-to-(multi)point radios

Broadband wireless and WiMAX