HMC290

Obsolete

2 dB LSB 2-Bit Digital Attenuator SMT, 0.7 - 4.0 GHz

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Overview

  • 2 dB LSB Steps to 6 dB
  • Single Positive Control Per BIT
  • ±0.2 dB Typical Bit Error
  • Miniature SOT 26 Package: 9 mm²

The HMC290(E) is a broadband 2-bit positive control GaAs IC digital attenuators in a 6 lead SOT26 surface mount plastic package. Covering 0.7 to 4 GHz, the insertion loss is typically less than 0.7 dB. The attenuator bit values are 2 (LSB) and 4 dB for a total attenuation of 6 dB. Accuracy is excellent at ±0.2 dB typical with an IIP3 of up to +52 dBm. Two bit control voltage inputs, toggled between 0 and +3 to +5 volts, are used to select each attenuation state at less than 50 uA each. A single Vdd bias of +3 to +5 volts applied through an external 5K Ohm resistor is required. Occupying less than 9 mm², this is the smallest 2 - bit digital attenuator available.

Applications

  • Cellular
  • PCS, ISM, MMDS
  • WLL Handset & BaseStation

Suggested Replacement Parts

HMC624A RECOMMENDED FOR NEW DESIGNS

0.1 GHz to 6.0 GHz, 0.5 dB LSB, 6-Bit, GaAs Digital Attenuator

HMC290
2 dB LSB 2-Bit Digital Attenuator SMT, 0.7 - 4.0 GHz
hmc290_fbl
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Documentation

Obsolete Data Sheet 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
HMC624A RECOMMENDED FOR NEW DESIGNS

0.1 GHz to 6.0 GHz, 0.5 dB LSB, 6-Bit, GaAs Digital Attenuator

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Tools & Simulations

S-Parameter 1


Evaluation Kits

EVAL-HMC290
HMC290 Evaluation Board

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