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MAX6029
Ultra-Low-Power Precision Series Voltage Reference


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Description
FULL DATA SHEET (PDF, 716kB)
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The MAX6029 micropower, low-dropout bandgap voltage reference combines ultra-low supply current and low drift in a miniature 5-pin SOT23 surface-mount package that uses 70% less board space than comparable devices in an SO package. An initial accuracy of 0.15% and a 30ppm/°C (max) temperature coefficient make the MAX6029 suitable for precision applications. This series-mode voltage reference sources up to 4mA and sinks up to 1mA of load current. A wide 2.5V to 12.6V supply range, ultra-low 5.25µA (max) supply current, and a low 200mV dropout voltage make these devices ideal for battery-operated systems. Additionally, an internal compensation capacitor eliminates the need for an external compensation capacitor and ensures stability with load capacitances up to 10µF.

The MAX6029 provides six output voltages of 2.048V, 2.5V, 3V, 3.3V, 4.096V, and 5V. The MAX6029 is available in a 5-pin SOT23 or an 8-pin SO package and is specified over the extended temperature range (-40°C to +85°C).

Key Features   Applications/Uses
  • Ultra-Low 5.25µA (max) Supply Current
  • ±0.15% (max) Initial Accuracy
  • 30ppm/°C (max) Temperature Coefficient
  • 4mA Output Source Current
  • 1mA Output Sink Current
  • 2.5V to 12.6V Supply Range
  • Low 200mV Dropout
  • Stable with Capacitive Loads Up to 10µF
  • No External Capacitors Required
  • Miniature 5-Pin SOT23 Package, 8-Pin SO Package

 
  • A/D and D/A Converters
  • Battery-Powered Systems
  • Handheld Instruments (PDAs, Palmtops)
  • Precision Power Supplies

    Key Specifications:   Voltage References
    Part Number Output Voltage (V) Tempco (max) (ppm/°C) Initial Accuracy (% max @ +25°C) Supply Current - Series Only (max) (µA) Supply Voltage - Series Only (min) (V) Supply Voltage - Series Only (max) (V) Noise 0.1Hz to 10Hz (µVp-p typ) Features Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX6029  2.048
    2.5
    3.0
    3.3
    4.096
    5.0
    30 0.15 5 2.7 12.6 30
    Series
    SOIC(N)/8
    SOT/5
    9 -40 to +85 $1.74 @ 1k
    See All Voltage References (162)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Diagram
    MAX6029: Pin Configuration
    Pin Configuration

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    Document Ref.: 19-2892; Rev 2; 2006-11-21
    This page last modified: 2007-08-13


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