MAX1108
Info: : PRODUCTION
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MAX1108

Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs

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Lowest-Power 8-Bit Serial 2-Channel ADCs Have Internal Reference

Info: : PRODUCTION tooltip
Info: : PRODUCTION tooltip
Part Details
Part Models 4
1ku List Price Starting From $3.06
Features
  • Single Supply:
    • +2.7V to +3.6V (MAX1108)
    • +4.5V to +5.5V (MAX1109)
  • Low Power:
    • 105µA at +3V and 50ksps
    • 0.5µA in Power-Down Mode
  • Software-Configurable Unipolar or Bipolar Inputs
  • Input Voltage Range: 0 to VDD
  • Internal Track/Hold
  • Internal Reference:
    • +2.048V (MAX1108)
    • +4.096V (MAX1109)
  • Reference Input Range: 1V to VDD
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • VDD Monitoring Mode
  • Small 10-Pin µMAX Package
Additional Details
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The MAX1108/MAX1109 low-power, 8-bit, dual-channel, analog-to-digital converters (ADCs) feature an internal track/hold (T/H) voltage reference, clock, and serial interface. The MAX1108 is specified from +2.7V to +3.6V and consumes only 105µA. The MAX1109 is specified from +4.5V to +5.5V and consumes only 130µA. The analog inputs are software configurable, allowing unipolar/bipolar and single-ended/differential operation; battery monitoring capability is also included.

The full-scale analog input range is determined by the internal reference of +2.048V (MAX1108) or +4.096V (MAX1109), or by an externally applied reference ranging from 1V to VDD. The MAX1108/MAX1109 also feature a software power-down mode that reduces power consumption to 0.5µA when the device is not in use. The 4-wire serial interface directly connects to SPI™, QSPI™, and MICROWIRE™ devices without external logic. Conversions up to 50ksps are performed using either the internal clock or an external serial-interface clock.

The MAX1108 and MAX1109 are available in a 10-pin µMAX package with a footprint that is just 20% of an 8-pin plastic DIP.

Applications

  • 4mA- to 20mA-Powered Remote Systems
  • Handheld Measurement Devices
  • Medical Instruments
  • Portable Data Logging
  • Receive Signal Strength Indicators
  • Solar-Powered Remote Systems
  • System Diagnostics
Part Models 4
1ku List Price Starting From $3.06

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX1108CUB+
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MAX1108CUB+T
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MAX1108EUB+
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MAX1108EUB+T
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Software & Part Ecosystem

Software & Part Ecosystem

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