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MAX31865ATP+T The MAX31865ATP+T is an RTD-to-Digital Converter from Analog Devices, featuring an SPI interface and high accuracy for temperature measurements. It supports 2-, 3-, and 4-wire RTD connections.
Mfr Part #:

MAX31865ATP+T

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The MAX31865ATP+T is an RTD-to-Digital Converter from Analog Devices, featuring an SPI interface and high accuracy for temperature measurements. It supports 2-, 3-, and 4-wire RTD connections.
✓ Total Stock: 8,097 pcs
$ Price Range: $2.06

MAX31865ATP+T Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
3,000 pcs
On Request
3000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,597 pcs
On Request
2597 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
2,500 pcs
On Request
2500 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

MAX31865ATP+T Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Accuracy
Function
Interface
Mounting Type
Operating Temperature
Output Alarm
Output Fan
Output Type
Sensor Type
Supplier Device Package
Topology
Voltage
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MAX31865ATP+T Description

Short technical summary and product information.

The MAX31865ATP+T is an easy-to-use resistance-to-digital converter optimized for platinum resistance temperature detectors (RTDs). It simplifies the conversion of RTD resistance to a digital value, making it suitable for industrial equipment, medical equipment, and instrumentation applications.

 

This device handles 100Ω to 1kΩ platinum RTDs (PT100 to PT1000) and is compatible with 2-, 3-, and 4-wire sensor connections. It features a 15-bit ADC resolution, providing a nominal temperature resolution of 0.03125°C and total accuracy over all operating conditions of 0.5°C maximum. The converter includes an SPI-compatible interface for communication.

 

Integrated fault detection increases system reliability, with programmable detection of RTD and cable open and short conditions. The inputs are protected against overvoltage faults as large as ±45V. The MAX31865ATP+T operates within a supply voltage range of 3V to 3.6V and has an operating temperature range of -40°C to 125°C.

 

Packaged in a 20-pin TQFN (5x5) or WQFN Exposed Pad, this component is designed for surface mounting.

MAX31865ATP+T Quick Information

Product Type: RTD-to-Digital Converter
Canonical Name: MAX31865 RTD-to-Digital Converter
Subcategory: Interface ICs

MAX31865ATP+T Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

MAX31865ATP+T Estimated Pricing

Qty Low High
1+ $2.06 $2.06

Estimated market price range - modelled values for guidance only, not live distributor offers.

MAX31865ATP+T Features

  • Converts RTD resistance to digital value.
  • Supports 2-, 3-, and 4-wire RTD connections.
  • 15-bit ADC resolution for high accuracy.
  • ±45V input protection against overvoltage.
  • SPI-compatible interface for communication.

MAX31865ATP+T Applications

  • Ideal for industrial equipment.
  • Suitable for medical equipment.
  • Used in instrumentation systems.

MAX31865ATP+T FAQs

7 frequently asked questions generated from this part’s specifications.
What supply voltage does the MAX31865ATP+T require?

3V to 3.6V.

What is the operating temperature range?

-40°C to 125°C.

What package is the MAX31865ATP+T available in?

20-TQFN (5x5) surface-mount package with exposed pad.

What is the ADC resolution of the MAX31865ATP+T?

15-bit.

How accurate is the temperature measurement?

±0.5°C maximum.

What RTD resistance values are supported?

100Ω to 1kΩ platinum RTDs at 0°C.

What types of RTD wiring are supported?

2-, 3-, and 4-wire sensor connections.

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