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Ultra-Low-Power Precision Series Voltage Reference

Product Details

Key Features

Parametric specs for Voltage References
VOUT (V) 3
5
Temp. Coeff. (ppm/°C) (max) 30
ISUPPLY (µA) (max) 5
Initial Accuracy (% max) (@ +25°C) 0.15
VSUPPLY (V) (min) 2.7
VSUPPLY (V) (max) 12.6
Noise 0.1Hz to 10Hz (µVpp) (typ) 30
Oper. Temp. (°C) -40 to +85
Package/Pins SOIC (N)/8
SOT23/5
Budgetary
Price (See Notes)
2.87
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Simplified Block Diagram

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Parameters

Parametric specs for Voltage References
VOUT (V) 3
5
Temp. Coeff. (ppm/°C) (max) 30
ISUPPLY (µA) (max) 5
Initial Accuracy (% max) (@ +25°C) 0.15
VSUPPLY (V) (min) 2.7
VSUPPLY (V) (max) 12.6
Noise 0.1Hz to 10Hz (µVpp) (typ) 30
Oper. Temp. (°C) -40 to +85
Package/Pins SOIC (N)/8
SOT23/5
Budgetary
Price (See Notes)
2.87

Key Features

  • 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

Applications/Uses

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

Description

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).

Simplified Block Diagram

MAX6029: Typical Operating Circuit MAX6029: Typical Operating Circuit Zoom icon

Support & Training

Search our knowledge base for answers to your technical questions.

Filtered Search

Our dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .