MAX132
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MAX132

±18-Bit ADC with Serial Interface

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Info: : PRODUCTION tooltip
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Part Details
Part Models 6
1ku List Price Starting From $15.31
Features
  • Low Supply Current:
    • 60µA (Normal Operation)
    • 1µA (Sleep-Mode Operation)
  • ±0.006% FSR Accuracy at 16 Conv/sec
  • Low Noise: 15µVRMS
  • Serial I/O Interface with Programmed Output for Mux and PGA
  • Performs up to 100 Conv/sec
  • ±2pA Input Current
  • 50Hz/60Hz Rejection
Additional Details
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The MAX132 is a CMOS, 18-bit plus sign, serial-output, analog-to-digital converter (ADC). Multi-slope integration provides high-resolution conversions in less time than standard integrating ADCs, allowing operation up to 100 conversions per second. Low conversion noise provides guaranteed operation with ±512mV full-scale input range (2µV/LSB). A simple 4-wire serial interface connects easily to all common microprocessors, and twos-complement output coding simplifies bipolar measurements. Typical supply current is only 60µA and is reduced to 1µA in sleep mode. Four serially programmed digital outputs can be used to control an external multiplexer or programmable-gain amplifier. The MAX132 comes in 24-pin narrow DIP and wide SO packages, and is available in commercial and extended temperature grades.

High resolution, compact size, and low power make this device ideal for data loggers, weigh scales, data-acquisition systems, and panel meters.

Applications

  • Battery-Powered Applications
  • Industrial Process Controls
  • Remote Data Acquisition
  • Transducer-Signal Measurement Pressure, Flow, Temperature, Voltage Current, Resistance, Weight
Part Models 6
1ku List Price Starting From $15.31

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
MAX132CNG+
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MAX132CWG+
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MAX132CWG+T
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MAX132ENG+
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MAX132EWG+
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MAX132EWG+T
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Software and Part Ecosystem

Software and Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

MAX132EVKIT

Evaluation Kit for the MAX132

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MAX132EVKIT

Evaluation Kit for the MAX132

Evaluation Kit for the MAX132

Features and Benefits

  • Fully Functional 18-Bit ADC
  • ±5V Input Range
  • Single +5V Supply Operation
  • IBM-Compatible Software Included
  • Complete 80C32 Code Listing Provided

Product Detail

The MAX132 evaluation kit (EV kit) contains a fully assembled and functional printed circuit board with a MAX132 ADC, 80C32 microcontroller, MAX699 microprocessor supervisor, MAX233 RS-232 interface, and all other components needed for an 18-bit DAS. 8kB of EPROM contain the 80C32 program code, and an additional 8kB of CMOS RAM is included to store conversion results. A prototyping area of 5in² is reserved for breadboarding, signal conditioning, or other application-specific circuits.

The kit operates from a single +5V supply, and links to an IBM-compatible personal computer through an RS-232 link. Commands entered on the keyboard are sent to the EV kit board, and conversion results are returned for display. All required IBM-compatible software is included.

Applications

  • Battery-Powered Applications
  • Industrial Process Controls
  • Remote Data Acquisition
  • Transducer-Signal Measurement Pressure, Flow, Temperature, Voltage Current, Resistance, Weight

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