GENERAL DESCRIPTION

This family of monolithic RF quadrature modulators is designed for use from 869 MHz to 960 MHz and from 1805 MHz to 1990 MHz. Excellent phase accuracy and amplitude balance enable high performance, direct RF modulation for communications systems.

FEATURES

Operating frequencies

ADL5590: 869 MHz to 960 MHz

ADL5591: 1805 MHz to 1990 MHz

Output compression point P1dB: 16 dBm

Output third-order intercept point OIP3

ADL5590: 29 dBm at 900 MHz

ADL5591: 30 dBm at 1900 MHz

Noise floor: −157 dBm/Hz

Sideband suppression

ADL5590: <−50 dBc at 900 MHz

ADL5591: <−47 dBc at 1900 MHz

Baseband common-mode bias: 1.5 V

LO leakage

ADL5590: −50 dBc at 900 MHz, POUT = 5 dBm

ADL5591: −44 dBc at 1900 MHz, POUT = 5 dBm

Single supply: 4.75 V to 5.25 V

Package: 36-lead, 6 mm × 6 mm LFCSP

APPLICATIONS

Wireless infrastructure

Optimized for GSM transmitters