MAX31865ATP+ - Maxim Integrated

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

MAX31865ATP+
Manufacturer

Maxim Integrated
ChipWorker Part#

CW1080026
Category

Temperature Sensor
Package

TQFN-20
Description

MAXIM INTEGRATED PRODUCTS MAX31865ATP+ Temperature Sensor IC, RTD, Digital, ± 0.5℃, -40℃, 125℃, TQFN, 20Pins
Documentation

Datasheet

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MAX31865ATP+ Specifications

Attribute	Attribute Value

Part Number	MAX31865ATP+
Manufacturer	Maxim Integrated
ChipWorker Part#	CW1080026
Category	Temperature Sensor
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	20 Pin
Case/Package	TQFN-20
Supply Voltage (DC)	3.00V (min)
Operating Voltage	3.3 V
Number of Channels	1 Channel
Number of Positions	20 Position
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Accuracy	±0.5℃ (Max)
Supply Voltage	3V ~ 3.6V
Supply Voltage (Max)	3.6 V
Supply Voltage (Min)	3 V
Input Voltage	3.3 V
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Size-Length	5.1 mm
Size-Width	5.1 mm
Size-Height	0.75 mm
Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Each
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The MAX31865ATP+ is a RTD to digital converter in 20 pin TQFN package. It is an easy to use resistance to digital converter optimized for platinum resistance temperature detectors (RTDs). An external resistor sets the sensitivity for RTD being used and a precision delta sigma ADC converts the ratio of the RTD resistance to reference resistance into digital form. Inputs are protected against overvoltage faults as large as ±45V. Programmable detection of RTD and cable open and short conditions is included. It is used in industrial equipment and instrumentation.
Supply voltage range is 3V to 3.6V
Operating temperature range from -40°C to 125°C, high accuracy facilitates meeting error budgets
Integration lowers system cost, simplifies design efforts and reduces design cycle time
Simple conversion of platinum RTD resistance to digital value, fully differential VREF inputs
Handles 100 ohm to 1Kohm (at 0°C) platinum RTDs (PT100 to PT1000), 21ms (max) conversion time
Compatible with 2-wire, 3-wire and 4-wire sensor connections, SPI-compatible interface
Fault detection (open RTD element, RTD shorted to out of range voltage or short across RTD element)
15bit ADC resolution, nominal temperature resolution 0.03125NC (varies due to RTD nonlinearity)
Total accuracy over all operating conditions, 0.5NC (0.05% of full scale) max
Integrated fault detection increases system reliability, ±45V input protection

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