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X9470 - RF Power Amplifier Bias Controller

Description

The Intersil X9470 RF PA Bias Controller contains all of the necessary analog components to sense the PA drain current through an external sense resistor and automatically control the gate bias voltage of an LDMOS PA.

Features

  • Programmable Bias Controller IC for Class A and AB LDMOS Power Amplifiers.
  • Adaptive System on Chip Solution.
  • Bias Current Calibration to better than ±4% using Reference Trim DCP.
  • Automatic Bias Point Tracking and Calibration.
  • IDQ Sensing and Tracking.
  • Programmable Instrumentation Amplifier to Scale Wide Range of IDQ.
  • Programmable Gate Bias Driver.
  • All Programmable settings are Nonvolatile.
  • All Settings Recalled at Powe.

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Datasheet Details

Part number X9470
Manufacturer Renesas
File Size 935.05 KB
Description RF Power Amplifier Bias Controller
Datasheet download datasheet X9470 Datasheet

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Full PDF Text Transcription

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X9470 NOT RECOMMENDED FOR NEW DESIGNS NO RECOMMENDED REPLACEMENT contact our Technical Support Center at 1-888-INTERSIL or www.intersil.com/tsc RF Power Amplifier (PA) Bias Controller DATASHEET FN8204 Rev 0.00 March 8, 2005 FEATURES • Programmable Bias Controller IC for Class A and AB LDMOS Power Amplifiers • Adaptive System on Chip Solution • Bias Current Calibration to better than ±4% using Reference Trim DCP • Automatic Bias Point Tracking and Calibration — IDQ Sensing and Tracking —Programmable Instrumentation Amplifier to Scale Wide Range of IDQ —Programmable Gate Bias Driver —All Programmable settings are Nonvolatile —All Settings Recalled at Power-up.
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