Model No: ADRF5720BCCZN-R7

Analog Devices Inc. ADRF5720BCCZN-R7

Manufacturer: Analog Devices Inc.
SEMICON NO.: ADRF5720BCCZN-R7
Package: 24-VFLGA
Stock: In stock
Description: Digital Attenuator 6-Bit 0.5 dB LSB
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 Mfr  Analog Devices Inc. 
 Device Type 6-Bit Digital Attenuator, 0.5 dB LSB    
 Frequency Range   9 kHz to 40 GHz 
 Attenuation Range  31.5 dB total, in 0.5 dB steps 
 Insertion Loss  Better than 4.5 dB 
 RF Input Power (Average) 27 dBm (approx. 500mW)  
 RF Input Power (Peak) 30 dBm
 Control Interface SPI, Parallel Mode  
 Control Logic   CMOS/LVTTL Compatible 
 Supply Voltage (VDD)  +3.3 V and -3.3 V (Dual Supply)    
 Impedance   50 Ω (Characteristic)
 Operating Temperature -40°C to +105°C
 Package 24-VFLGA
 Mounting Type Surface Mount
 Compliance    
 RoHS Compliant
ADRF5720BCCZN-R7 6-bit silicon digital step attenuator (DSA) 
The ADRF5720BCCZN-R7 from Analog Devices is a high-performance, 6-bit silicon digital step attenuator (DSA) engineered for ultrawideband applications spanning an unprecedented frequency range from 9 kHz to 40 GHz. This device provides a precise attenuation control range of 0 dB to 31.5 dB in fine 0.5 dB steps, ensuring granular amplitude adjustment for both low-frequency baseband and high-frequency millimeter-wave signals. It features exceptionally low insertion loss, measuring just 2.0 dB up to 18 GHz, 2.8 dB up to 26 GHz, and 4.5 dB up to 40 GHz, while maintaining excellent attenuation accuracy with a typical step error of ±0.25 dB up to 26 GHz. The ADRF5720BCCZN-R7 is built for high-power environments, handling up to 27 dBm average and 30 dBm peak input power with a high input IP3 of 50 dBm, making it robust against intermodulation distortion. 
AlternativeDigital AttenuatorModels
● ADRF5730BCCZN-R7:​ A pin-compatible fast-switching variant from Analog Devices with a 100 MHz to 40 GHz range and a 0.5 µs switching speed, ideal for fast-hopping systems.
● HMC939ALP4CE:​ A 6-bit GaAs DSA from Analog Devices offering 31.5 dB range with 0.5 dB steps up to 18 GHz, providing an alternative for lower-frequency, high-isolation applications.
● PE44820B-Z:​ A 7-bit CMOS UltraCMOS® DSA from pSemi (Murata) with 0.25 dB steps up to 6 GHz, offering superior linearity and low distortion for cellular infrastructure.
● QPC6324TR7:​ A 6-bit GaAs DSA from Qorvo covering DC-6 GHz with integrated driver, suitable for macro-cell base station power control.