RFDA0025 - RF Micro Devices

RFDA0025 DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER

RFMD’s RFDA0025 is a digital controlled variable gain amplifier featuring high linearity over the entire gain control range. The 6-bit digital step attenuator is programmed with a serial mode control interface. The RFDA0025 is packaged in a small 5.2mmx5.2mm leadless laminate MCM with plated through thermal vias for ultra low thermal resistance. The footprin.

Features

 50MHz to 850MHz Operation
 6-Bit Digital Step Attenuator
 Serial Control Interface
 31.5dB Attenuation Range (0.5dB Step)
 High OIP3/P1dB=+42/20dBm
 Single +5V Supply
 Footprint Compatible with 32-Pin 5mmx5mm QFN Applications
 Transceiver IF DVGA
 Cellular, PCS, 3G Infrastructure
 Wireless Data, Satellite Terminals 32 31 30 29 28 27 26 25 AMPIN 1 24 NC AMP GND 2 GND 3 6-bit SPI 23 NC 22 NC ATTOUT 4 21 NC ACG1 5 ACG2 6 DSA 20 NC 19 NC ACG3 7 18 NC ACG4 8 9 10 11 12 13 14 17 Vdd 15 16 E-pad GND ACG5 ACG6 GND ATTIN GND NC PUP NC Functional Block Diagram Product De.