| Part No | MAX31865ATP+T |
| Manufacturer | Maxim Integrated |
| Catalog | PMIC – Thermal Management |
| Description | IC RTD TO DIGITAL CONVERT 20TQFN |
| Datasheet | MAX31865ATP+T Datasheet |
The MAX31865ATP+T from Maxim Integrated is a sophisticated RTD-to-digital converter IC designed for precise temperature sensing and measurement. This high-accuracy device is an ideal solution for industrial and instrumentation applications where reliable and accurate temperature readings are crucial.
The MAX31865ATP+T supports a wide variety of 2-, 3-, and 4-wire platinum resistance temperature detectors (RTDs), offering flexibility for different types of temperature measurement setups. Its ability to work with PT100 and PT1000 platinum RTDs makes it highly versatile for a range of applications.
With an operating voltage range of 3.0V to 3.6V, this converter is optimized for low-power operations. The device features an external resistor that sets the sensitivity for the RTD being used, which allows for fine-tuning to achieve the highest accuracy. It also includes overvoltage protection to ensure stability and longevity in harsh electrical environments.
The MAX31865ATP+T boasts a high-resolution delta-sigma ADC, providing accurate temperature data with minimal noise. Its digital filter processing helps to reduce the effect of 50Hz/60Hz noise, commonly found in industrial settings, resulting in cleaner and more reliable measurements.
Communication with the MAX31865ATP+T is achieved through a standard SPI interface, which enables easy integration with microcontrollers and other digital systems. The device also includes fault detection capabilities, which can alert the system to potential issues such as RTD open circuits, short circuits to GND, and short circuits to VDD.
The compact 20-pin TQFN package makes the MAX31865ATP+T suitable for space-constrained applications, while also providing a robust physical interface for embedded systems. Its temperature range of -40°C to +85°C ensures that the device can operate reliably in a wide range of environmental conditions.
In summary, the MAX31865ATP+T from Maxim Integrated is a high-performance RTD-to-digital converter that offers precision, flexibility, and ease of use for a variety of temperature sensing applications. Its robust design and advanced features make it an excellent choice for engineers and designers looking to implement accurate temperature measurement in their systems.
| Categories | Integrated Circuits |
| Manufacturer | Maxim Integrated |
| Packaging | Reel – TR |
| Status | Active |
| Purpose | Temp Monitoring System (Sensor) |
| Sensor Type | External |
| Accuracy | ±0.5°C(Max) |
| Topology | ADC (Sigma Delta), Comparator, Register Bank |
| Output Type | SPI |
| Output Alarm | No |
| Output Fan | No |
| Supply Voltage – Operating | 3 V to 3.6 V |
| Temperature Range – Operating | -40°C to 125°C |
| Mounting | SMD (SMT) |
| Case / Package | 20-TQFN-EP (5×5) |
| Family Name | MAX31865ATP+T |
| Introduction Date | September 23, 2012 |
| ECCN | EAR99 |
| Halogen Free | Compliant |
| Estimated EOL Date | 2022 |
| Is this a common-used part? | Yes |
| Popularity | High |
| Fake Threat In the Open Market | 47 pct. |
| Supply and Demand Status | Sufficient |
| Application Field | Used in Power Management, Medical, Wireless, Sensing & Instrumentation, Automotive |
| Alternative Parts (Cross-Reference) |
MAX31865ATP+; |
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