Overview
The MAX6675ISA+T is a cold-junction-compensated K-thermocouple-to-digital converter produced by Maxim Integrated, a subsidiary of Analog Devices Inc. This device is designed to convert the analog output of a type-K thermocouple into a digital signal, providing high accuracy and reliability in temperature measurements. It features a built-in 12-bit analog-to-digital converter (ADC) and includes cold-junction compensation, ensuring precise temperature readings over a wide range.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3 V to 5.5 V |
| Supply Current | 0.7 mA to 1.5 mA |
| Operating Temperature | -20°C to +85°C |
| Resolution | 12-bit, 0.25°C |
| Thermocouple Input | Type-K |
| Output Type | Digital |
| Serial Interface | SPI-compatible |
| Package | 8-pin SOIC |
| Mounting Style | Surface Mount |
| Conversion Time | 0.17 s to 0.22 s |
| Serial Clock Frequency | Up to 4.3 MHz |
Key Features
- Direct digital conversion of type-K thermocouple output
- Cold-junction compensation for accurate temperature readings
- Simple SPI-compatible serial interface
- 12-bit resolution with 0.25°C accuracy
- Open thermocouple detection
- Compact 8-pin SOIC package
Applications
The MAX6675ISA+T is suitable for a variety of applications, including:
- Industrial automation and control systems
- Appliances and consumer electronics
- HVAC (Heating, Ventilation, and Air Conditioning) systems
- Distributed temperature sensing and monitoring
Q & A
- What is the MAX6675ISA+T used for?
The MAX6675ISA+T is used to convert the analog output of a type-K thermocouple into a digital signal, providing accurate temperature measurements. - What is the operating temperature range of the MAX6675ISA+T?
The operating temperature range is -20°C to +85°C. - What is the resolution of the MAX6675ISA+T?
The resolution is 12-bit with an accuracy of 0.25°C. - What type of serial interface does the MAX6675ISA+T use?
The MAX6675ISA+T uses an SPI-compatible serial interface. - What is the supply voltage range for the MAX6675ISA+T?
The supply voltage range is 3 V to 5.5 V. - Does the MAX6675ISA+T include cold-junction compensation?
Yes, it includes built-in cold-junction compensation. - What is the conversion time of the MAX6675ISA+T?
The conversion time is between 0.17 s and 0.22 s. - What package type is the MAX6675ISA+T available in?
The MAX6675ISA+T is available in an 8-pin SOIC package. - Is the MAX6675ISA+T suitable for industrial applications?
Yes, it is suitable for industrial automation and control systems. - Does the MAX6675ISA+T support open thermocouple detection?
Yes, it supports open thermocouple detection.
