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  4. MAX136


Features and Benefits

  • Power Dissipation Guaranteed Less than 1mW–9V Battery Life 3000 Hours Typical
  • Hold Pin Allows Indefinite Display Hold
  • Guaranteed First Reading Recovery from Overrange
  • On-Board Display Drive Capability—No External Circuitry Required
  • High-Impedance CMOS Differential Inputs
  • Low Noise (< 15µVP-P) Without Hysteresis or Overrange Hangover
  • Clock and Reference On-Chip
  • Zero Input Gives Zero Reading
  • True Polarity Indication for Precision Null Applications
  • Key Parameters Guaranteed Over Temperature

Product Details

The MAX136 is a monolithic analog-to-digital converter (ADC) with very high input impedance. It differs from the Maxim ICL7136 in that the MAX136 provides a Hold pin, which makes it possible to hold or "freeze" a reading. The MAX136 directly drives a nonmultiplexed liquid crystal (LCD) display, requiring no external drive circuitry. With minor external component changes, it is pin compatible with the ICL7116 but with significantly reduced power consumption, making the MAX136 a superior device for portable systems.
Versatility and accuracy are inherent features of this ADC. The dual-slope conversion technique automatically rejects interference signals common in industrial environments. True differential inputs allow direct measurements of bridge transducer outputs or load cells. The zero-integrator phase eliminates overrange hangover and hysteresis effects. The MAX136 offers high accuracy by lowering rollover error to less than one count and zero reading drift to less than 1µV/°C.


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  • Current
  • Material Thickness
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  • Temperature
  • Voltage

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
MAX136C/D Material Declaration Reliability Data 0-CHIP-N/A
MAX136CMH+D Material Declaration Reliability Data Metric Quad Flatpack
MAX136CMH+TD Material Declaration Reliability Data Metric Quad Flatpack
MAX136CQH+D Material Declaration Reliability Data Plastic Leaded Chip Carrier
MAX136CQH+TD Material Declaration Reliability Data Plastic Leaded Chip Carrier
Wafer Fabrication Data

Sample & Buy

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Buy Now Pricing

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List Pricing

(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


Lead Times

Please see the latest communication from our CCO regarding lead times.



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