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MAX6133

PRODUCTION

3ppm/°C, Low-Power, Low-Dropout Voltage Reference

Low-Power, Low-Dropout Voltage Reference has 3ppm/°C Drift and Fits in Tiny µMAX® Package

Data Sheet (Rev. 2)
Part Models
18
1ku List Price
Starting From $4.97
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Part Details

  • Low Temperature Coefficient
    • 3ppm/°C (max), SO
    • 5ppm/°C (max), µMAX
  • Tiny 5mm x 3mm µMAX Package
  • Low 200mV (max) Dropout Voltage
  • Low 40µA Quiescent Current
  • ±0.04% (max) Initial Accuracy
  • Low 16µVP-P Noise (0.1Hz to 10Hz) (2.5V Output)
  • 15mA Output Source-Current Capability
  • Wide 2.7V to 12.6V Supply Voltage
  • Excellent Line (30µV/V, max) and Load (0.05mV/mA, max) Regulation
MAX6133
3ppm/°C, Low-Power, Low-Dropout Voltage Reference
MAX6133: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 1

Technical Articles 3

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Hardware Ecosystem

Parts Product Life Cycle Description
Voltage References 2
MAX6126
PRODUCTION Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX6033
PRODUCTION High-Precision, Low-Dropout SOT23 Series Voltage Reference
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Tools & Simulations

LTpowerCAD

Design tools for the following parts are available in LTpowerCAD:

Software Development 1

Reference Designs

MAXREFDES15
MAXREFDES15
MAXREFDES15 Circuits from the lab

Ultra-Low Power, High-Accuracy 4–20mA 2-Wire Current-Loop Sensor

View Detailed Reference Design

Features and Benefits

  • Ultra-low power
    • -100°C to +100°C interval
  • High accuracy
  • High precision
  • Simple power supply and wide input range
  • System current consumption less than 2.1mA
  • Resistance temperature detector (RTD) PT1000
  • Resolution 10,000 counts or 0.1%
  • Accuracy 0.25%

Equipment Required

  • 10V to 40V power supply
  • High-accuracy current meter
  • RTD PT1000 sensor or a temperature calibrator

    • Quick Start

  • Connect an industrial standard power supply across LOOP+ and LOOP- terminals of J1 to power up the board.
  • Connect the sensor across J3. The current design of the board is configured for 2-wire RTD application. Minor modifications at the sensor side can be performed to use a 3/4-wire RTD application.
    • MAXREFDES16
    MAXREFDES16
    MAXREFDES16 System Block Diagram
    MAXREFDES16 Circuits from the lab

    Novato (MAXREFDES16#): 4-20mA Loop-Powered Temperature Sensor with HART

    View Detailed Reference Design

    Features and Benefits

    • 2-, 3-, or 4-wire RTD sensor input
    • -200°C to +850°C measured temperature range
    • -40°C to +85°C operating range
    • 0.03°C temperature resolution
    • < 0.05% span error or ±0.2°C at +23°C (whichever is greater)
    • < 0.1% span error or ±1.0°C over operating range
    • 12V to 40V supply voltage range
    • 200µA RTD excitation current
    • Auto compensation of wire resistance for 3-wire RTD
    • 4–20mA current loop output
    • 10Ω to 1kΩ loop load
    • Highway addressable remote transducer (HART) communication protocol requires minimum load of 230Ω
    • Sensor burnout detection
    • NAMUR down scale: < 3.2mA
    • NAMUR up scale: programmable from 20.5mA to > 24mA
    • Loop current limiter: 30mA ±5mA
    • HART protocol compatible
    MAXREFDES15
    Ultra-Low Power, High-Accuracy 4–20mA 2-Wire Current-Loop Sensor
    MAXREFDES15
    MAXREFDES16
    Novato (MAXREFDES16#): 4-20mA Loop-Powered Temperature Sensor with HART
    MAXREFDES16
    MAXREFDES16 System Block Diagram

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