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MAX6029

PRODUCTION

Ultra-Low-Power Precision Series Voltage Reference

Data Sheet (Rev. 3) Product Selection Table
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Overview

  • 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

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).

Applications

  • A/D and D/A Converters
  • Battery-Powered Systems
  • Handheld Instruments (PDAs, Palmtops)
  • Precision Power Supplies
MAX6029
Ultra-Low-Power Precision Series Voltage Reference
MAX6029: Typical Operating Circuit
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 3

Technical Articles 5

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Hardware Ecosystem

Parts Product Life Cycle Description
Voltage References 1
MAX6129
PRODUCTION Ultra-Low-Power Series Voltage Reference
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Evaluation Kits

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MAX5216PMB1

MAX5216PMB1 Peripheral Module

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Features and Benefits

  • High-Accuracy 16-Bit DAC with On-Board Precision Voltage Reference
  • Low Gain and Offset Errors
  • Buffered Voltage Output Directly Drives 10kΩ Loads
  • Optional External Voltage Reference (Jumper Selectable)
  • 6-Pin Pmod-Compatible Connector (SPI)
  • Example Software Written in C for Portability
  • RoHS Compliant
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX5216PMB1 peripheral module provides the necessary hardware to interface the MAX5216 16-bit DAC to any system that utilizes Pmod™-compatible expansion ports configurable for SPI communication. The IC is a single-channel, low-power, buffered voltage-output DAC. The reference voltage for the DAC is provided by a 2.5V output version of the MAX6029 voltage reference (0.15% initial accuracy, 30ppm/°C). Digital noise is minimized by having SPI input buffers powered down after completion of each serial input frame.

Refer to the MAX5216 IC data sheet for detailed information regarding operation of the IC.

Applications

  • 2-Wire Sensors
  • Automatic Test Equipment
  • Automatic Tuning
  • Communications Systems
  • Gain and Offset Adjustment
  • Process Controls and Servo Loops
MAX5216PMB1
MAX5216PMB1 Peripheral Module
MAX5216PMB1 Board Photo

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