Maxim Integrated RTD to Digital Converter, Surface Mount, SPI, 0.05%, 20 Pins
- RS庫存編號:
- 866-6087
- 製造零件編號:
- MAX31865ATP+
- 製造商:
- Maxim Integrated
此產品已停售
- RS庫存編號:
- 866-6087
- 製造零件編號:
- MAX31865ATP+
- 製造商:
- Maxim Integrated
MAX31865 Resistance Temperature Detector (RTD) to Digital Converter
The MAX31865 series from Maxim Integrated is a resistance-to-digital converter optimized for platinum resistance temperature detectors (RTDs). This device also utilises a precision delta-sigma analogue-to-digital converter (ADC) to convert the ratio of the RTD resistance versus the reference resistance into digital form. This reference resistance is set through the application of an external resistor.
Applications can include; Industrial equipment, medical equipment & instrumentation.
Applications can include; Industrial equipment, medical equipment & instrumentation.
Features and Benefits:
Simple Conversion of Platinum RTD Resistance to Digital Value
Compatible with 100Ω to 1kΩ (at 0°C) Platinum RTDs (PT100 to PT1000)
Compatible with 2-, 3-, and 4-Wire Sensor Connections
SPI-Compatible Interface
15-Bit ADC Resolution Nominal Temperature Resolution 0.03125°C (Varies Due to RTD Nonlinearity)
Total Accuracy Over All Operating Conditions: 0.5°C (0.05% of Full Scale) max
Fully Differential VREF Inputs
21ms (max) Conversion Time
±50V Input Protection
Fault Detection (Open RTD Element, RTD Shorted to Out-of-Range Voltage, or Short Across RTD Element)
Compatible with 100Ω to 1kΩ (at 0°C) Platinum RTDs (PT100 to PT1000)
Compatible with 2-, 3-, and 4-Wire Sensor Connections
SPI-Compatible Interface
15-Bit ADC Resolution Nominal Temperature Resolution 0.03125°C (Varies Due to RTD Nonlinearity)
Total Accuracy Over All Operating Conditions: 0.5°C (0.05% of Full Scale) max
Fully Differential VREF Inputs
21ms (max) Conversion Time
±50V Input Protection
Fault Detection (Open RTD Element, RTD Shorted to Out-of-Range Voltage, or Short Across RTD Element)
Note
Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.
Attribute | Value |
---|---|
Sensor Function | Temperature |
Interface Type | SPI |
Accuracy | 0.05% |
Mounting Type | Surface Mount |
Pin Count | 20 |
Operating Temperature Range | -40 → +125 °C |
Minimum Operating Temperature | -40 °C |
Maximum Operating Temperature | +125 °C |
Minimum Operating Supply Voltage | 3 V |
Maximum Operating Supply Voltage | 3.6 V |
Package Type | TQFN |
Length | 5.1mm |
Height | 0.75mm |
Width | 5.1mm |
Dimensions | 5.1 x 5.1 x 0.75mm |
Resolution | 15 bit |