ADRF5731 Series
2 dB LSB, 4-Bit, Silicon Digital Attenuator, 100 MHz to 40 GHz
Manufacturer: Analog Devices
Catalog
2 dB LSB, 4-Bit, Silicon Digital Attenuator, 100 MHz to 40 GHz
Key Features
• Ultrawideband frequency range: 100 MHz to 40 GHz
• Attenuation range: 2 dB steps to 30 dB
• Low insertion loss1.7 dB to 18 GHz2.2 dB to 26 GHz3.5 dB to 40 GHz
• 1.7 dB to 18 GHz
• 2.2 dB to 26 GHz
• 3.5 dB to 40 GHz
• Attenuation accuracy±(0.1 + 2.0%) of attenuation state up to 18 GHz±(0.2 + 2.5%) of attenuation state up to 26 GHz±(0.5 + 10.0%) of attenuation state up to 40 GHz
• ±(0.1 + 2.0%) of attenuation state up to 18 GHz
• ±(0.2 + 2.5%) of attenuation state up to 26 GHz
• ±(0.5 + 10.0%) of attenuation state up to 40 GHz
• High RF input power handling: 26 dBm average, 30 dBm peak
• Tight distribution in relative phase
• Typical step error±0.15 dB to 18 GHz±0.20 dB to 26 GHz±0.60 dB to 40 GHz
• ±0.15 dB to 18 GHz
• ±0.20 dB to 26 GHz
• ±0.60 dB to 40 GHz
• High input linearityP0.1dB insertion loss state: 30 dBmP0.1dB other attenuation states: 26 dBmIP3: 50 dBm typical
• P0.1dB insertion loss state: 30 dBm
• P0.1dB other attenuation states: 26 dBm
• IP3: 50 dBm typical
• No low frequency spurious signals
• SPI and parallel mode control, CMOS/LVTTL compatible
• RF amplitude settling time (0.1 dB of final RF output): 230 ns
• 2.5 mm × 2.5 mm, 16-terminal LGA package
• Pin compatible with ADRF5721, low frequency cutoff version
Description
AI
The ADRF5731 is a silicon, 4-bit digital attenuator with a 30 dB attenuation control range in 2 dB steps.This device operates from 100 MHz to 40 GHz with better than 3.5 dB of insertion loss. The ATTIN port of the ADRF5720 has a radio frequency (RF) input power handling capability of 26 dBm average and 30 dBm peak for all states.The ADRF5731 requires a dual supply voltage of +3.3 V and −3.3 V. The device features serial peripheral interface (SPI), parallel mode control, and complementary metal-oxide semiconductor (CMOS)-/low voltage transistor to transistor logic (LVTTL) compatible controls.The ADRF5731 is pin compatible with the ADRF5721 low frequency cutoff version, which operates from 9 kHz to 40 GHz.The ADRF5731 RF ports are designed to match a characteristic impedance of 50 Ω.The ADRF5731 comes in a 16-terminal, 2.5 mm × 2.5 mm, RoHS compliant, land grid array (LGA) package and operates from −40°C to +105°C.ApplicationsIndustrial scannersTest and instrumentationCellular infrastructure: 5G millimeter waveMilitary radios, radars, electronic counter measures (ECMs)Microwave radios and very small aperture terminals (VSATs)
