The ISL55012 is a high performance gain block featuring a Darlington configuration using high fT transistors and excellent thermal performance. They are an ideal choice for DVB-S LNB cable receiver applications. Other members of the family include: • ISL55012 and ISL55015 match a 75Ω source to a 50Ω load. $ ISL55014 matches a 50Ω source to a 50Ω load.


  • Input impedance of 75Ω
  • Output impedance of 50Ω
  • Gain of 18dB at 1GHz
  • Noise figure of 4.7dB at 2GHz
  • OIP3 of 30dBm at 1GHz
  • Low input and output return losses
  • Pb-Free (RoHS compliant)


  • LNB and LNB-T (HDTV) Amplifiers
  • IF Gain Blocks for Satellite and Terrestrial STBs
  • PA Driver Amplifier
  • Wireless Data, Satellite
  • Bluetooth/WiFi
  • Satellite Locator and Signal Strength Meters

Product Options

Part Number Part Status Pkg. Type Carrier Type MOQ Buy Sample
Active SC70 Reel 3000

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
ISL55012 Datasheet Datasheet PDF 530 KB
Application Notes & White Papers
AN1418: Use of ISL55016 as a Single Ended to Differential Converter Application Note PDF 283 KB
AN1694: The Four Basic Building Blocks of an Op Amp Application Note PDF 357 KB
PCN12084A - Manufacturing Site Change for the Listed Intersil Products - Carsem (CAS) Ipoh, Malaysia Product Change Notice PDF 141 KB
PCN12091 - QSOP and SC-70 from Unisem to CAM as alternate assembly site Product Change Notice PDF 529 KB
PCN12084 - Manufacturing Site Change for the Listed Intersil Products - Carsem (CAS) Ipoh Malaysia Product Change Notice PDF 135 KB
PCN11069 - Wafer Fabrication Site Change for Intersil Product ISL55012IEZ-T7 - NXP Semiconductor Nijmegen,Netherlands Product Change Notice PDF 154 KB
isl55012-design-model Model S2P 10 KB
PA17036 - Datasheet change for ISL55012* and ISL55014* Products Product Advisory PDF 447 KB

Boards & Kits

Part Number Title Type Company
ISL55012IEZ-EVAL MMIC Silicon Bipolar Broadband Amplifier Evaluation Board Evaluation Renesas