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ANALOG DEVICES Silicon Digital Attenuator

ANALOG DEVICES Silicon Digital Attenuator, HMC1122

The HMC1122 is a 6-bit digital attenuator operating from 0.1 GHz to 6 GHz with a 31.5 dB attenuation control range in 0.5 dB steps.

 

Applications

  • Cellular infrastructure

  • Microwave radios and very small aperture terminals (VSATs)

  • Test equipment and sensors

  • IF and RF designs

 

Features and Benefits 

Attenuation range: 0.5 dB LSB steps to 31.5 dB

Low insertion loss

  • 1.1 dB at 1 GHz
  • 1.3 dB at 2 GHz

Typical step error: less than ±0.1 dB

Excellent attenuation accuracy

Safe state transitions

High linearity

  • Input 0.1dB compression (P0.1dB): 30 dBm typical
  • Input third-order intercept (IP3): 55 dBm typical

RF settling time (0.05 dB final RF output): 250 ns

Low phase shift error: 6° at 1 GHz

Single supply operation: 3.3 V to 5 V

ESD rating: Class 2 (2 kV HBM)

24-lead, 4 mm × 4 mm LFCSP package: 16 mm2

Pin compatible to the HMC624A

ANALOG DEVICES

Silicon Digital Attenuator-Silicon Digital Attenuator

The HMC1122 is a 6-bit digital attenuator operating from 0.1 GHz to 6 GHz with a 31.5 dB attenuation control range in 0.5 dB steps.

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