MAX7037

Obsolete

Sub-1GHz Ultra-Low-Power RF ISM Transceiver

Ultra-Low-Power, High-Performance Quad Band Transceiver with Integrated Microcontroller

Data Sheet (Rev. 0)
Part Models
2
1ku List Price
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Part Details

  • Ultra-Low-Power Consumption for Battery-Based Operation
    • Current Consumption TX (POUT = +6dBm, FSK): 16mA
    • Current Consumption RX (FSK): 22mA
    • Current Consumption Deep Sleep Mode (Watchdog Timer and PRAM Active): 100nA
    • Supply Voltage Range: 2.1V to 5.5V
    • Integrated Ultra-Low-Power On/Off Voltage Threshold Detectors
  • Worldwide Usable Frequency Band Coverage
    • ISM Band Frequency Coverage: 315/433/868/915~930MHz
  • Fractional-N LO Generation For Multichannel Operation
    • RF Synthesizer Resolution: 244Hz/488Hz
  • FFSK/FMSK/ASK Modulation for Optimum Compatibility with Various Communication Standards
    • Gross Data Rates: Up To 125Kbit/s
    • ASK with Programmable Transition Shape for Spectral Tuning
  • Fully Integrated RF, TX, and RX Front-End for Minimum External Components
    • Maximum TX Output Power (RLOAD = 400Ω): +10dBm
    • RX Sensitivity (FFSK, BW = 150kHz): -100dBm
  • Mixed-Signal Sensor Interface with Analog I/O Through ADC/DAC and On-Chip Buffers (Contact Factory for Future Support)
    • Integrated 9-Bit Sigma Delta ADC for Applications
    • Integrated 8-Bit DAC
    • 8 Mixed-Signal I/Os with Versatile Switching Matrix; Up to 18 Digital I/Os
  • Wristwatch Crystal-Based Real-Time Clock (Contact Factory for Future Support)
    • Wristwatch Crystal Oscillator Integrated: 32768Hz
MAX7037
Sub-1GHz Ultra-Low-Power RF ISM Transceiver
MAX7037: Functional (or Block) Diagram
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Documentation

Data Sheet 1

Technical Articles 1

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Tools & Simulations

LTpowerCAD

Design tools for the following parts are available in LTpowerCAD:

Software Development 1

Evaluation Kits

eval board
schematic 1
MAX7037EVKIT

Evaluation Kit for the MAX7037

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Features and Benefits

  • Easy Evaluation of the MAX7037
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX7037 evaluation kits (EV kits) are fully assembled and tested to evaluate the MAX7037 sub-1GHz, ultra-lowpower, RF ISM transceiver. The EV kits are connected to the PC through a Siam Kitty board. The EV kits get power from the Siam Kitty board and run from a minimum supply voltage of only 2.1V.

A particular EV kit will only work at a specific carrier frequency. The frequencies supported are: 315MHz, 434MHz, 868MHz, 902MHz, 915MHz, and 928MHz. EV kits are shipped configured for 315MHz, 434MHz, 868MHz, 902MHz, 915MHz, or 928MHz operation. It is necessary to change the RF matching components to configure an EV kit to work at one of the other frequencies. Further details are provided in the Changing EV Kit for Operation at Other Frequencies section.

Note that, if an EV kit is used at a frequency other than that for which it is configured, it will likely either not work at all or display very poor performance. Ensure that both EV kits match the frequency for which they are configured. Furthermore, the MAX7037_915MHz EV kit can be used for 902MHz, 915MHz, or 928MHz operation.

Applications

  • Automotive remote keyless entry and tire pressure monitor
  • Building automation / smart home
  • Smart meter
  • Ultra-low-power sensor networks
MAX7037EVKIT
Evaluation Kit for the MAX7037
MAX7037EVKIT: MAX7037 EV Kit Board Photo

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