Silicon digital attenuator provides a 46 dB attenuation control range with 2 dB steps across 100 MHz to 22 GHz. The RF ports are matched to 50 ohms and support bidirectional operation with typical insertion loss of 1.6 dB to 10 GHz and 2.0 dB to 20 GHz. Parallel CMOS/LVTTL-compatible control operates from dual ±3.3 V supplies, with single positive-supply operation also supported at derated RF power. The device is supplied in a RoHS-compliant 20-terminal 3 mm by 3 mm LGA package and operates from -40°C to +105°C case temperature.
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| Function | 5-bit silicon digital attenuator |
| Frequency Range | 100 to 22000MHz |
| Attenuation Range | 46dB |
| Attenuation Step Size | 2dB |
| Insertion Loss, 100 MHz to 10 GHz | 1.6 typicaldB |
| Insertion Loss, 10 GHz to 20 GHz | 2.0 typicaldB |
| Return Loss | 18 typicaldB |
| RF Port Impedance | 50ohm |
| RF Input Power Handling, Average | 24 steady statedBm |
| RF Input Power Handling, Peak | 30 steady statedBm |
| 0.1 dB Power Compression | >27 typicaldBm |
| 1 dB Power Compression | >30 typicaldBm |
| Input Third-Order Intercept | >47 typicaldBm |
| Positive Supply Voltage | 3.15 to 3.45V |
| Negative Supply Voltage | -3.45 to -3.15V |
| Control Interface | Parallel CMOS/LVTTL compatible |
| RF Amplitude Settling Time | 130 to 0.1 dB of final RF outputns |
| Operating Case Temperature | -40 to +105°C |
| Package | 20-terminal 3.0 mm × 3.0 mm LGA |
| RoHS | Compliant |
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These are design resources that include the Analog Devices ADRF5700
User guide for the ADRF5700-EVALZ, evaluating the ADRF5700 5-bit digital attenuator (100 MHz to 22 GHz) with 2 dB steps, featuring schematics, PCB layout, and BOM.
