MAX1472

PRODUCTION

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

Industry's Smallest 300MHz to 450MHz Transmitter in SOT23 Package Consumes Only 5.5mA at +10dBm Output

Data Sheet (Rev. 4) Product Selection Table
Part Models
3
1ku List Price
Starting From $1.19
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Part Details

  • 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
MAX1472
300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter
MAX1472: Typical Application Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Application Note 1

Design Note 2

Technical Articles 25

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Hardware Ecosystem

Parts Product Life Cycle Description
ISM RF Receivers < 1GHz 2
MAX1470
PRODUCTION 315MHz Low-Power, +3V Superheterodyne Receiver
MAX1473
PRODUCTION 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range
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Evaluation Kits

MAX1472EVKIT

Evaluation Kit for the MAX1472

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Features and Benefits

  • Proven PC Board Layout
  • Proven Components Parts List
  • Multiple Test Points Provided On-Board
  • Available in 315MHz or 433.92MHz Optimized Versions
  • Adjustable Frequency Range from 300MHz to 450MHz*
  • Fully Assembled and Tested
  • Can Operate as a Stand-Alone Transmitter with Included Battery

Product Details

The MAX1472 evaluation kit (EV kit) allows for a detailed evaluation of the MAX1472 ASK transmitter. It enables testing of the device's RF performance and requires no additional support circuitry. The RF output uses a 50Ω matching network and an SMA connector for convenient connection to test equipment. A reverse-polarity SMA is also included to connect to a 1/4 wave whip antenna. The EV kit can also directly interface to the user's embedded design for easy data encoding.

The MAX1472 EV kit comes in two versions: a 315MHz version and a 433.92MHz version. The passive components are optimized for these frequencies. These components can easily be changed to work at RF frequencies from 300MHz to 450MHz.

For easy implementation into the customer's design, the MAX1472 EV kit also features a proven PC board layout, which can be easily duplicated for quicker time-to-market. The EV kit Gerber files are available for download at www.maximintegrated.com.

Applications

  • Radio-Controlled Toys
  • Remote Keyless Entry (RKE)
  • RF Remote Controls
  • Security Systems
  • Tire-Pressure Monitoring (TPM)
  • Wireless Computer Peripherals
  • Wireless Game Consoles
  • Wireless Sensors
MAX1472EVKIT
Evaluation Kit for the MAX1472

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