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MAX1472AKA+ +BOM

RF Transmitter 300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter

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MAX1472AKA+ General Description

The MAX1472 is a crystal-referenced phase-locked loop (PLL) VHF/UHF transmitter designed to transmit OOK/ASK data in the 300MHz to 450MHz frequency range. The MAX1472 supports data rates up to 100kbps, and adjustable output power to more than +10dBm into a 50Ω load. The crystal-based architecture of the MAX1472 eliminates many of the common problems with SAW transmitters by providing greater modulation depth, faster frequency settling, higher tolerance of the transmit frequency, and reduced temperature dependence. Combined, these improvements enable better overall receiver performance when using a superheterodyne receiver such as the MAX1470 or MAX1473.

Maxim Integrated Inventory

Key Features

  • 2.1V to 3.6V Single-Supply Operation
  • Low 5.3mA Operating Supply Current*
  • Supports ASK with 90dB Modulation Depth
  • Output Power Adjustable to More than +10dBm
  • Uses Small Low-Cost Crystal
  • Small 3mm x 3mm 8-Pin SOT23 Package
  • Fast-On Oscillator 220µs Startup Time

Application

  • Radio-Controlled Toys
  • Remote Keyless Entry (RKE)
  • RF Remote Controls
  • Security Systems
  • Tire-Pressure Monitoring (TPM)
  • Wireless Computer Peripherals
  • Wireless Game Consoles
  • Wireless Sensors

Specifications

model MAX1472AKA+ packingQty Reel,2500
packingOption Reel lifeCycle production
tempRange -40 to 125C
MAX1472: Typical Application Circuit

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Ratings and Reviews

More
L
L**n 02/10/2024

The amplifier works. Add thermal paste.

12
D
D**o 02/26/2022

Very good.Without surprises

14
N
N**e 02/11/2021

Transistors arrived for 72 days. They are all good. Thanks!!!

19

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