MAX35102
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MAX35102

Time-to-Digital Converter Without RTC

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Accurate Low-Flow Measurement with Low Power Consumption

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Part Details
Part Models 2
1ku List Price
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Features
  • High-Accuracy Flow Measurement for Billing and Leak Detection
    • Time-to-Digital Accuracy Down to 20ps
    • Measurement Range Up to 8ms
    • 2 Channels—Single-Stop Channel
  • High-Accuracy Temperature Measurement for Precise Heat and Flow Calculations
    • Up to Four 2-Wire Sensors
    • PT1000 and PT500 RTD Support
    • 40mK Accuracy
  • Maximizes Battery Life with Low Device and Overall System Power
    • Ultra-Low 5.5µA ToF measurement and < 125nA Duty-Cycled Temperature Measurement
    • 2.3V to 3.6V Single-Supply Operation
  • High-Integration Solution Minimizes Parts Count and Reduces BOM Cost
    • Small, 4mm x 4mm, 32-Pin TQFN Package
    • -40°C to +85°C Operation
Additional Details
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The MAX35102 is a time-to-digital converter with built-in amplifier and comparator targeted as a low-cost, analog front-end solution for the ultrasonic heat meter and flow meter markets. It is similar to the MAX35101, but with a reduced feature set and without a real-time clock (RTC). The package size has been reduced to 4mm x 4mm x 0.75mm with 0.4mm pin pitch.

With a time measurement accuracy of 20ps and automatic differential time-of-flight (ToF) measurement, this device makes for simplified computation of liquid flow.

Power consumption is the lowest available with ultra-low 5.5µA ToF measurement and < 125nA duty-cycled temperature measurement.

Applications

  • Ultrasonic Gas Meters
  • Ultrasonic Heat Meters
  • Ultrasonic Water Meters
Part Models 2
1ku List Price
price unavailable

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX35102ETJ+
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MAX35102ETJ+T
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Software & Part Ecosystem

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