仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Thermocouple to Digital Converter |
| InputType | Thermocouple (K) |
| OutputType | Digital |
| Current-Supply | 1.5 mA |
| OperatingTemperature | -20°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概要
Description
The MAX6675ISA+T is a cold-junction-compensated K-type thermocouple-to-digital converter from Maxim Integrated (now part of Analog Devices). It provides a 12-bit resolution (0.25°C accuracy) and operates from 0°C to +1024°C.
### Key Features:
- Simple SPI Interface – Easy integration with microcontrollers.
- Built-in Cold-Junction Compensation – Eliminates external compensation circuits.
- Wide Temperature Range – Suitable for industrial and DIY applications.
- Single 3.3V–5V Supply – Low power consumption.
### Applications:
- Temperature monitoring in 3D printers, HVAC systems, and industrial equipment.
### Limitations:
- Only supports K-type thermocouples.
- Noisy environments may require filtering.
The MAX6675ISA+T comes in an 8-pin SOIC package and is a cost-effective solution for basic thermocouple measurements. For higher precision, consider its successor, the MAX31855.
### Key Features:
- Simple SPI Interface – Easy integration with microcontrollers.
- Built-in Cold-Junction Compensation – Eliminates external compensation circuits.
- Wide Temperature Range – Suitable for industrial and DIY applications.
- Single 3.3V–5V Supply – Low power consumption.
### Applications:
- Temperature monitoring in 3D printers, HVAC systems, and industrial equipment.
### Limitations:
- Only supports K-type thermocouples.
- Noisy environments may require filtering.
The MAX6675ISA+T comes in an 8-pin SOIC package and is a cost-effective solution for basic thermocouple measurements. For higher precision, consider its successor, the MAX31855.
Equivalent
The MAX6675ISA+T is a thermocouple-to-digital converter. Equivalent alternatives include:
1. MAX31855 (higher resolution, SPI interface)
2. AD8495 (analog output, amplifier)
3. MCP9600 (I²C interface, multi-thermocouple support)
4. LTC2983 (high-precision, multi-sensor support)
These alternatives vary in features like interface type, resolution, and compatibility. Choose based on your specific requirements.
1. MAX31855 (higher resolution, SPI interface)
2. AD8495 (analog output, amplifier)
3. MCP9600 (I²C interface, multi-thermocouple support)
4. LTC2983 (high-precision, multi-sensor support)
These alternatives vary in features like interface type, resolution, and compatibility. Choose based on your specific requirements.
Features
The MAX6675ISA+T is a cold-junction-compensated K-type thermocouple-to-digital converter with the following key features:
- Temperature Range: 0°C to +1024°C (32°F to +1875°F).
- Resolution: 12-bit (0.25°C per LSB).
- Accuracy: ±2°C (0°C to +700°C), ±3°C (700°C to +1024°C).
- SPI-Compatible Interface for easy microcontroller communication.
- Cold-Junction Compensation (built-in ambient temperature sensor).
- Simple 3-Wire Connection (SCK, CS, SO).
- Supply Voltage: 3.0V to 5.5V.
- Low Power Consumption: 1.5mA (typical).
- Open Thermocouple Detection (fault indicator).
- Operating Temp: -20°C to +85°C.
Compact 8-pin SOIC package, ideal for industrial and embedded applications.
- Temperature Range: 0°C to +1024°C (32°F to +1875°F).
- Resolution: 12-bit (0.25°C per LSB).
- Accuracy: ±2°C (0°C to +700°C), ±3°C (700°C to +1024°C).
- SPI-Compatible Interface for easy microcontroller communication.
- Cold-Junction Compensation (built-in ambient temperature sensor).
- Simple 3-Wire Connection (SCK, CS, SO).
- Supply Voltage: 3.0V to 5.5V.
- Low Power Consumption: 1.5mA (typical).
- Open Thermocouple Detection (fault indicator).
- Operating Temp: -20°C to +85°C.
Compact 8-pin SOIC package, ideal for industrial and embedded applications.
Pinout
The MAX6675ISA+T is a cold-junction-compensated K-type thermocouple-to-digital converter in an 8-pin SOIC package.
Pin Functions:
1. SO (Pin 1) – Serial Output (SPI data).
2. CS (Pin 2) – Chip Select (active low).
3. SCK (Pin 3) – Serial Clock Input.
4. GND (Pin 4) – Ground.
5. T+ (Pin 5) – Thermocouple Positive Input.
6. T- (Pin 6) – Thermocouple Negative Input.
7. VCC (Pin 7) – Power Supply (3.3V or 5V).
8. NC (Pin 8) – No Connection.
Key Features:
- 12-bit resolution (0.25°C accuracy).
- SPI-compatible interface.
- Operates from 0°C to +1024°C.
- Cold-junction compensation integrated.
Pin Functions:
1. SO (Pin 1) – Serial Output (SPI data).
2. CS (Pin 2) – Chip Select (active low).
3. SCK (Pin 3) – Serial Clock Input.
4. GND (Pin 4) – Ground.
5. T+ (Pin 5) – Thermocouple Positive Input.
6. T- (Pin 6) – Thermocouple Negative Input.
7. VCC (Pin 7) – Power Supply (3.3V or 5V).
8. NC (Pin 8) – No Connection.
Key Features:
- 12-bit resolution (0.25°C accuracy).
- SPI-compatible interface.
- Operates from 0°C to +1024°C.
- Cold-junction compensation integrated.
Manufacturer
The MAX6675ISA+T is manufactured by Maxim Integrated, a U.S.-based semiconductor company specializing in analog and mixed-signal integrated circuits. Founded in 1983 and headquartered in San Jose, California, Maxim Integrated was acquired by Analog Devices (ADI) in 2021. The company is known for high-performance ICs used in industrial, automotive, and consumer electronics.
The MAX6675ISA+T is a thermocouple-to-digital converter, commonly used for temperature sensing in applications like 3D printing and industrial controls. Maxim Integrated (now part of ADI) is recognized for its precision analog and signal-processing solutions.
The MAX6675ISA+T is a thermocouple-to-digital converter, commonly used for temperature sensing in applications like 3D printing and industrial controls. Maxim Integrated (now part of ADI) is recognized for its precision analog and signal-processing solutions.
Application
The MAX6675ISA+T is a thermocouple-to-digital converter primarily used for temperature measurement and monitoring in:
1. Industrial Automation – Process control, HVAC systems.
2. Consumer Electronics – Appliances like ovens, heaters.
3. Automotive – Engine and exhaust monitoring.
4. Energy & Power – Solar panels, battery management.
5. Laboratory Equipment – Precision thermal analysis.
It supports K-type thermocouples, offers cold-junction compensation, and communicates via SPI, making it suitable for compact, high-accuracy applications.
1. Industrial Automation – Process control, HVAC systems.
2. Consumer Electronics – Appliances like ovens, heaters.
3. Automotive – Engine and exhaust monitoring.
4. Energy & Power – Solar panels, battery management.
5. Laboratory Equipment – Precision thermal analysis.
It supports K-type thermocouples, offers cold-junction compensation, and communicates via SPI, making it suitable for compact, high-accuracy applications.
Package
The MAX6675ISA+T comes in an 8-pin SOIC (150mil) package. This surface-mount package is compact and widely used for integrated circuits, offering reliable performance in temperature sensing applications. The "T" suffix indicates tape-and-reel packaging for automated assembly.