MAX7058

PRODUCTION

315MHz/390MHz Dual-Frequency ASK Transmitter

Transmit 315MHz/390MHz with One Crystal While Keeping Your Antenna Matched

Data Sheet (Rev. 1) Product Selection Table
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Overview

  • Switched 315MHz/390MHz Carrier Frequency Using One Crystal
  • +2.1V to +3.6V Single-Supply Operation
  • ASK/OOK Modulation
  • Internal Switched Capacitors for Optimum Dual-Frequency Operation
  • 8.0mA DC Current Drain (50% Duty Cycle OOK)
  • 0.8µA Standby Current
  • Small 4mm x 4mm, 24-Pin Thin QFN Package

The MAX7058 UHF transmitter alternatively transmits ASK/OOK data at 315MHz or 390MHz using a single crystal. The MAX7058 has internal tuning capacitors at the output of the power amplifier that can be programmed for matching to the antenna or load. The MAX7058 can transmit at a data rate up to 100kbps NRZ (50kbps Manchester coded). Typical transmitted power into a 50Ω load is +10dBm. The MAX7058 operates from +2.1V to +3.6V and draws under 8.0mA of current. The standby current is less than 1µA at room temperature. A 15MHz crystal is used as the reference for 315MHz and 390MHz operation by selecting synthesizer-divide ratios of 21 and 26, respectively.

The MAX7058 is available in a 4mm × 4mm, 24-pin thin QFN package and is specified to operate in the –40°C to +125°C automotive temperature range.

Applications

  • Garage Door Openers
  • Home Automation
  • RF Remote Controls
  • Security Systems
  • Wireless Sensors
MAX7058
315MHz/390MHz Dual-Frequency ASK Transmitter
MAX7058: Functional Block Diagram
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Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 8

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
RF Analog Receivers 2
MAX1470
PRODUCTION 315MHz Low-Power, +3V Superheterodyne Receiver
MAX1473
PRODUCTION 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range
RF Analog Transmitters 3
MAX1472
PRODUCTION 300MHz-to-450MHz Low-Power, Crystal-Based ASK Transmitter
MAX7044
PRODUCTION 300MHz to 450MHz High-Efficiency, Crystal-Based +13dBm ASK Transmitter
MAX1479
PRODUCTION 300MHz to 450MHz Low-Power, Crystal-Based +10dBm ASK/FSK Transmitter
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Evaluation Kits

MAX7058EVKIT

Evaluation Kit for the MAX7058

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Features and Benefits

  • Proven PCB Layout
  • Proven Components List
  • Adjustable Programmable Frequency (315MHz and 390MHz)
  • Fully Assembled and Tested

Product Details

The MAX7058 evaluation kit (EV kit) provides a proven design to evaluate the MAX7058 dual-frequency ASK transmitter in a 24-pin TQFN package with an exposed pad. The EV kit 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. The EV kit comes with a MAX7058ATG+ installed on the EV board.

Applications

  • Automotive
  • Garage Door Openers
  • Home Automation
  • RF Remote Controls
  • Security Systems
  • Wireless Sensors
MAX7058EVKIT
Evaluation Kit for the MAX7058

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