LTC4400

Obsolete

RF Power Controllers with 450kHz Loop BW and 45dB Dynamic Range

Part Models
4
1ku List Price
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Part Details

  • RF Power Amplifier Control in ThinSOT Package
  • Internal Schottky Diode Detector with > 45dB Range
  • Wide Input Frequency Range:
    • 300MHz to 2.7GHz (LTC4400-1)
    • 300MHz to 2GHz (LTC4400-2)
  • Autozero Loop Cancels Offset Errors and Temperature Dependent Offsets
  • Wide VCC Range: 2.7V to 6V
  • Automatic Bandwidth Control Improves Low Power Ramp Response
  • Allows Direct Connection to Battery
  • RF Output Power Set by External DAC
  • Internal Frequency Compensation
  • Rail-to-Rail Power Control Output
  • Power Control Signal Overvoltage Protection
  • Low Operating Current: 1mA
  • Low Shutdown Current: 10µA
  • Two Pole PCTL Input Filtering
  • Low Profile (1mm) ThinSOT (LTC4400-1) and 8-Pin MSOP (LTC4400-2) Packages
LTC4400
RF Power Controllers with 450kHz Loop BW and 45dB Dynamic Range
LTC4400-1 Dual Band Cellular Telephone Transmitter Product Package 1 LTC4400-1 Detector Characteristics at 900MHz and 1800MHz Product Package 2
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Documentation

Data Sheet

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
LTC5532 PRODUCTION Precision 300MHz to 7GHz RF Detector with Gain and Offset Adjustment
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Evaluation Kits

eval board
DC420A-B

LTC4401-1 | Power Output Controller for RF Power Amplifiers used in Cellular Phones

Product Details

DC420A-B: Demo Board for the LTC4400 RF Power Controllers with 450kHz Loop BW and 45dB Dynamic Range


 


eval board
DC420A-A

LTC4400-1 | Power Output Controller for RF Power Amplifiers used in Cellular Phones

Product Details

DC420A-A: Demo Board for the LTC4400 RF Power Controllers with 450kHz Loop BW and 45dB Dynamic Range


 


DC420A-B
LTC4401-1 | Power Output Controller for RF Power Amplifiers used in Cellular Phones
DC420A-B - Schematic
DC420A-A
LTC4400-1 | Power Output Controller for RF Power Amplifiers used in Cellular Phones
DC420A-A - Schematic

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