RFDA0057 - RF Micro Devices

RFDA0057 DIGITAL CONTROLLED VARIABLE GAIN AMPLIFIER

RFMD’s RFDA0057 is a dual-channel, digital controlled variable gain amplifier featuring high linearity over the entire gain control range with noise figure less than 7dB in its maximum gain state. The gains of two 6-bit digital step attenuators are programmed with a serial mode control interface (SPI). The RFDA0057 is packaged in a small 7.0mm x 7.0mm leadle.

Features

 Dual Channel VGA
 Frequency Range 400MHz to 2700MHz
 Full Internal Matching and No External Bias Inductors
 Two 6-Bit Digital Step Attenu- ators
 12-Bit SPI Serial Control Programming
 High Channel Isolation = 50dBc
 Max Gain = 18.5dB at 900MHz
 Gain Control Range = 31.5dB (0.5dB Step Size)
 High OIP3/P1dB = +37dBm/19dBm at 900MHz
 Single + 5V Supply
 Small 32-Pin, 7.0mm x 7.0mm, MCM
 Power-up Programming Applications
 Cellular, 3G Infrastructure
 WiBro, WiMAX, LTE
 Microwave Radio
 High Linearity Power Control Functional Block Diagram Product Description RFMD’s RFDA0057 is a.