MAX6675 K-Thermocouple-to-Digital Converter
Cold-junction-compensated K-thermocouple-to-digital converter with 12-bit SPI read-only output resolving temperatures from 0°C to +1024°C with 0.25°C resolution.
Aliase:MAX6675ISA, Thermocouple Amplifier, K-Type Sensor
5-Pin SPI Module Breakout Header
5 Pins
Pinout Table5
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | GND | Ground | Ground (0V) |
| 2 | VCC | Power | Supply Voltage (+3.0V to +5.5V DC) |
| 3 | SCK | Digital | SPI Serial Clock Input |
| 4 | CS | Digital | Chip Select Input (Active Low to stop conversion & read data) |
| 5 | SO | Digital | Serial Data Output (MISO) |
SOIC-8 Top View
8 Pins
Pinout Table8
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | GND | Ground | Ground (0V) |
| 2 | T- | Analog | Alumel LeadNegative Thermocouple Input |
| 3 | T+ | Analog | Chromel LeadPositive Thermocouple Input |
| 4 | VCC | Power | Supply Voltage (+3.0V to +5.5V) |
| 5 | SCK | Digital | SPI Serial Clock Input |
| 6 | CS | Digital | Chip Select (Active Low) |
| 7 | SO | Digital | Serial Data Output |
| 8 | NC | NC | No Connection |