Data Sheet

ADRF5715

Silicon Digital Attenuator, 1-Bit, 1 MHz to 30 GHz

Rev. 0

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FEATURES

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Ultrawideband frequency range: 1 MHz to 30 GHz

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Attenuation range: 16 dB typical

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Low insertion loss

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0.6 dB at 8 GHz

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0.8 dB at 18 GHz

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1.15 dB at 30 GHz

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Attenuation accuracy

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±0.15 dB typical up to 18 GHz

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±0.20 dB typical 18 GHz up to 30 GHz

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High input linearity

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P0.1dB insertion loss state: 33 dBm typical

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P0.1dB 16 dB attenuation state: 30 dBm typical

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IP3 insertion loss state: 51 dBm typical

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IP3 16 dB attenuation state: 49 dBm typical

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High RF power handling

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Input at ATTIN and ATTOUT

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30 dBm typical steady state average

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33 dBm typical steady state peak

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RF amplitude settling time (0.1 dB of final RFOUT): 6.5 µs typical

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Single-supply operation supported

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Tight in relative phase

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No low frequency spurious signals

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CMOS-/LVTTL-compatible

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12-terminal, 2.25 mm x 2.25 mm, land grid array [LGA] package

APPLICATIONS

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Industrial scanners

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Test and instrumentation

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Cellular infrastructure: 5G millimeter wave

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Military radios, radars, and electronic counter measures (ECMs)

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Microwave radios and very small aperture terminals (VSATs)

FUNCTIONAL BLOCK DIAGRAM

Figure 1. Functional Block Diagram

GENERAL DESCRIPTION

The ADRF5715 is a silicon, 1-bit digital attenuator with 16 dB

attenuation.

The ADRF5715 operates from 1 MHz to 30 GHz with better than

1.15 dB of insertion loss and excellent attenuation accuracy. The

ATTIN and ATTOUT port of the ADRF5715 have an RF power

handling capability of 30 dBm steady state average and 33 dBm

steady state peak.

The ADRF5715 requires a dual-supply voltage of +3.3 V and −3.3

V. The device features complementary metal-oxide semiconductor

(CMOS)-/low voltage transistor to transistor logic (LVTTL)-compati-

ble controls.

The ADRF5715 can also operate with a single positive supply

voltage (VDD) applied while the negative supply voltage (VSS) is tied

to ground. See the Theory of Operation section for more details.

The ADRF5715 RF ports are designed to match a characteristic

impedance of 50 Ω. The ADRF5715 comes in a 12-terminal, 2.25

mm × 2.25 mm, RoHS-compliant, LGA package and operates from

−40°C to +105°C.