MAX31855KASA+

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MAX31855KASA+

+Nomenclature

IC CONV THERMOCOUPLE-DGTL SOIC

  • FabricantAnalog Equipment GmbH / intégration Maxim

  • Pièce fabricant #MAX31855KASA+

  • Package SOIC-8

  • En stock7646

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Spécifications

Attribut Valeur
Package Tube
ProductStatus Active
Type Thermocouple to Digital Converter
InputType Thermocouple (Multiple)
OutputType Digital
Current-Supply 900 µA
OperatingTemperature -40°C ~ 125°C
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width)

Présentation

Description

The MAX31855KASA+ is a sophisticated digital thermocouple-to-digital converter designed to work with K-type thermocouples. It provides a high-precision temperature reading with a 14-bit resolution and can measure temperatures ranging from -200°C to +1350°C. The device integrates cold-junction compensation, which accounts for varying ambient temperatures, ensuring accurate readings without needing additional components. It communicates via a simple SPI-compatible interface, making it easy to integrate with microcontrollers and other digital systems.
The MAX31855KASA+ also offers fault detection capabilities, identifying issues such as open thermocouple connections or shorted inputs. It operates from a single 3.0V to 3.6V power supply and consumes minimal power, making it suitable for battery-powered or energy-efficient applications. The device is housed in a compact 8-pin SOIC package, allowing for easy integration into various designs. Overall, it is ideal for industrial, scientific, and consumer applications requiring precise temperature measurements and robust performance.

Equivalent

The MAX31855KASA+ is a cold-junction compensated thermocouple-to-digital converter. Equivalent products include the MCP9600 from Microchip, AD8495 from Analog Devices, and the MAX6675 from Maxim Integrated. Each has its specific features and compatibility, so it's important to ensure that the chosen alternative meets the specific requirements of your application.

Features

The MAX31855KASA+ is a sophisticated thermocouple-to-digital converter offering precise temperature readings. It supports K-type thermocouples and features a 14-bit, 0.25°C resolution, ensuring high accuracy in temperature measurement. The device can measure temperatures ranging from -200°C to +1350°C, making it suitable for a wide range of industrial applications.
Key features include:
1. Cold-Junction Compensation: It automatically compensates for ambient temperature variations, ensuring accurate readings.

2. Fault Detection: The device can detect open thermocouple circuits, over-voltage, under-voltage, and shorts, enhancing reliability.

3. SPI-Compatible Interface: It uses a simple serial peripheral interface for easy integration with microcontrollers and digital systems.

4. Low Power Consumption: Designed for efficiency, it operates with minimal power, making it suitable for battery-powered applications.

5. Wide Supply Range: It operates within a 3.0V to 3.6V power supply range.
Overall, the MAX31855KASA+ is ideal for applications requiring precise temperature monitoring and high reliability.

Pinout

The MAX31855KASA+ is a cold-junction compensated thermocouple-to-digital converter. It is designed to work with K-type thermocouples and provides a digital output of the thermocouple's temperature reading via an SPI interface. It has an 8-pin small outline package (SOIC). Here is a breakdown of the pin functions:
1. GND (Pin 1): Ground reference for the device.
2. T- (Pin 2): Negative terminal of the thermocouple input.
3. T+ (Pin 3): Positive terminal of the thermocouple input.
4. NC (Pin 4): No Connect, typically left unconnected.
5. VCC (Pin 5): Supply voltage input, typically 3.0V to 3.6V.
6. SCK (Pin 6): Serial Clock Input for SPI communication.
7. CS (Pin 7): Chip Select, active low input for enabling SPI communication.
8. SO (Pin 8): Serial Output, data output for SPI communication.
The device performs signal conditioning, digitizes the signal, and outputs the data via the SPI interface, making it suitable for precise temperature measurement applications.

Manufacturer

The MAX31855KASA+ is manufactured by Analog Devices, Inc., a multinational company specialized in the design and production of semiconductor products and solutions. Analog Devices is known for its wide range of products in the fields of analog, mixed-signal, and digital signal processing technology. The company serves various industries, including automotive, communications, consumer electronics, industrial, and healthcare. Their focus is on creating innovative solutions that bridge the physical and digital worlds, enhancing electronic equipment performance across various applications.

Application

The MAX31855KASA+ is a thermocouple-to-digital converter that is widely used in temperature sensing applications. Its application areas include industrial process control, where accurate temperature monitoring is essential for machinery and processes. It is also used in consumer appliances like ovens and stoves for precise temperature control. Additionally, it finds use in HVAC systems for environmental control, and in automotive systems for engine and exhaust temperature monitoring. The device is capable of handling high temperatures and provides accurate digital readings, making it suitable for scientific research and laboratory equipment as well. Its versatility and precision make it valuable in any application requiring reliable temperature measurement.

Package

The MAX31855KASA+ is a thermocouple-to-digital converter available in an 8-pin SOIC (Small Outline Integrated Circuit) package.