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.

Renesas

📥 Download Datasheet

Datasheet Details

Part number	X9470
Manufacturer	Renesas
File Size	935.05 KB
Description	RF Power Amplifier Bias Controller
Datasheet	X9470 Datasheet
Additional preview pages of the X9470 datasheet.

📁 Similar Datasheet

X9409 - Quad Digitally Controlled Potentiometers (Intersil Corporation)
X9410 - Dual Digitally Controlled Potentiometer (Intersil Corporation)

Other Datasheets by Renesas

X9400 - Quad Digitally Potentiometer
X9401 - Quad Digitally Potentiometer
X9408 - Quad Digitally Potentiometer
X9418 - Dual Digitally Potentiometer
X9420 - Low Noise/Low Power/SPI Bus Single Digitally Controlled XDCP Potentiometer
X9421 - Single Digitally Potentiometer
X9428 - Single Digitally Potentiometer
X9429 - Single Digitally Potentiometer

Full PDF Text Transcription

Click to expand full text

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.

Published: Jun 3, 2020 |