ADRF5731BCCZN

ADRF5731 is a silicon, 4bit digital attenuator with a 30dB attenuation control range in 2dB steps. This device operates from 100MHz to 40GHz with better than 3.5dB of insertion loss. It requires a dual supply voltage of +3.3V and -3.3V. This device features serial peripheral interface (SPI), parallel mode control, and complementary metal-oxide semiconductor (CMOS)-/low voltage transistor to transistor logic (LVTTL) compatible controls. It is pin compatible with the ADRF5721 low frequency cut-off version, which operates from 9KHz to 40GHz. It is widely used in application such as industrial scanners, test and instrumentation, cellular infrastructure: 5G millimetre wave, military radios, radars, electronic counter measures (ECMs), microwave radios and very small aperture terminals (VSATs) etc.

• Attenuation accuracy is ±(0.1 + 2%)dB typ at (10GHz to 18GHz)
• Step error is ±0.15dB typ at (10GHz to 18GHz)
• Insertion loss state is 30dBm typ at (VDD = 3.3V, VSS = -3.3V)
• Other attenuation states is 26dBm typ at (VDD = 3.3V, VSS = -3.3V)
• Third order intercept is 50dBm typ at (VDD = 3.3V, VSS = -3.3V)
• Tight distribution in relative phase, no low frequency spurious signals
• SPI and parallel mode control, CMOS/LVTTL compatible
• RF amplitude settling time (0.1dB of final RF output) is 230ns typical
• Operating temperature is -40°C to +105°C
• Package style is 16-terminal land grid array [LGA]

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