ADRF5476

RECOMMENDED FOR NEW DESIGNS

Flip-Chip, Silicon Digital Step Attenuator, 1 GHz to 72 GHz

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • Frequency range: 1GHz to 72GHz
  • Attenuation range: 12dB with a 4dB step size
  • Bidirectional operation
  • Low insertion loss
    • 0.9dB up to 18GHz
    • 1.3dB up to 40GHz
    • 2.1dB up to 67GHz
    • 3.0dB up to 72GHz
  • Typical step error
    • ±0.50dB up to 50GHz
    • ±0.75dB up to 72GHz
  • High input linearity
    • P0.1dB: >24 dBm typical
    • IP3: >45 dBm typical
  • High RF input power handling
    • Steady state: 24dBm
    • Hot switching: 24dBm
  • No low frequency spurious signals
  • Parallel mode control, CMOS and LVTTL compatible
  • RF amplitude settling time (50% triggered control to 0.1dB of final RF output): 55ns
  • 14-ball, 1.940 mm × 1.160 mm, bumped bare die sales

The ADRF5476 is a silicon, 2-bit digital attenuator with a 12dB attenuation range with a 4dB step size.

The ADRF5476 is specified from 1GHz to 72GHz with less than 3.0dB of insertion loss and with ±0.75dB step error at 72GHz. The device can operate bidirectionally, the ATTIN and ATTOUT ports of the ADRF5476 have an RF power handling capability of 24dBm average and 24dBm peak for all states.

The ADRF5476 draws a current of +124μA on the positive supply of +3.3V and −528μA on negative supply of −3.3V. The device employs complementary metal-oxide semiconductor (CMOS)-/low voltage transistor to transistor logic (LVTTL)-compatible controls.

The ADRF5476 RF ports are designed to match a characteristic impedance of 50Ω.

The ADRF5476 is a 14-ball, 1.940mm × 1.160mm, bumped bare die sales and can operate between −40°C to +105°C.

APPLICATIONS

  • Test and instrumentation
  • Cellular infrastructure: 5G mmWave
  • Military radios, radars, electronic counter measures (ECMs
  • Microwave radios and very small aperture terminals (VSATs)
ADRF5476
Flip-Chip, Silicon Digital Step Attenuator, 1 GHz to 72 GHz
ADRF5476 Functional Block Diagram ADRF5476 Pin Configuration ADRF5476 - Chip Image
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Documentation

Data Sheet 1

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Tools & Simulations

S-Parameter 1

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