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ADRF5020BCCZN Digital Step Attenuator DSA with 1 MHz to 6 GHz Range 64 Attenuation States and 0.5 dB Step Resolution

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ADRF5020BCCZN Digital Step Attenuator DSA with 1 MHz to 6 GHz Range 64 Attenuation States and 0.5 dB Step Resolution

Manufacturer : Analog Devices Inc.

Product Number : ADRF5020BCCZN

Description : IC RF SWITCH SPDT 30GHZ 20LGA

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Core Functionality

The ADRF5020BCCZN is a high-performance, wideband digital step attenuator (DSA) designed for RF and microwave signal conditioning applications. It operates over an ultra-broad frequency range of 1 MHz to 6 GHz, delivering precise attenuation control with 64 attenuation states and a total attenuation range of 0 dB to 31.5 dB (0.5 dB step resolution). The device features excellent RF performance, including low insertion loss (typical 0.8 dB at 2 GHz), high isolation (typical 40 dB at 2 GHz), and minimal phase variation across attenuation states, ensuring signal integrity in high-frequency systems. It supports a 3-wire serial peripheral interface (SPI) for straightforward digital control, enabling flexible integration into microcontroller-based systems. The ADRF5020BCCZN operates with a single 3.3V power supply, consuming low quiescent current (typical 4 mA) for power-efficient operation. Additionally, it is housed in a compact 3 mm × 3 mm LFCSP package, making it suitable for space-constrained designs, and is specified for the industrial temperature range (-40°C to +85°C), ensuring robust performance in harsh environments.

Key Applications

Wireless Communications Systems: Used in 5G NR, 4G LTE, Wi-Fi (802.11ax/b/g/n/ac), and Bluetooth transceivers, as well as base stations and small cells, for precise RF signal attenuation to optimize link budgets and reduce signal distortion.
Test & Measurement Equipment: Ideal for signal generators, spectrum analyzers, network analyzers, and RF test benches, providing accurate and repeatable attenuation control for calibration and signal conditioning.
Aerospace & Defense Electronics: Applied in radar systems, electronic warfare (EW) equipment, satellite communication (satcom) terminals, and avionics, leveraging its wide frequency range and high isolation for critical RF signal management.
Industrial & Instrumentation: Integrated into RF sensors, industrial IoT (IIoT) devices, and process control systems, enabling precise signal level adjustment in high-frequency monitoring and measurement applications.
Automotive Electronics: Suitable for V2X (Vehicle-to-Everything) communication systems, in-vehicle infotainment, and ADAS (Advanced Driver Assistance Systems) with RF connectivity, supporting reliable signal attenuation in automotive environments.
Broadband Infrastructure: Used in cable modems, broadband access points, and fiber-optic communication systems, providing consistent attenuation across a wide frequency spectrum for signal optimization.

ADRF5020BCCZN Digital Step Attenuator DSA with 1 MHz to 6 GHz Range 64 Attenuation States and 0.5 dB Step Resolution

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