MAX31856MUD+T
Sensor and Detector Interfaces
Technical Specifications
| Type | Description |
|---|---|
| Working Voltage V | 3.3 V |
| Interface | SPI |
| Iq A | 1e-05 |
| The Chip Type | Thermocouple-to-Digital Converter |
| Resolution (Bits) | 19 |
| Type | Description |
|---|---|
| Features | Programmable gain;Built-in temperature sensor;Digital filtering |
| Operating Temp | -40°C ~ +125°C |
| Channels | - |
| Package / Case | TSSOP-14 |
Product Introduction
The MAX31856 performs cold-junction compensation and digitizes the signal from any type of thermocouple. The output data is formatted in degrees Celsius. This converter resolves temperatures to 0.0078125°C, allows readings as high as +1800°C and as low as -210°C (depending on thermocouple type), and exhibits thermocouple voltage measurement accuracy of ±0.15%. The thermocouple inputs are protected against overvoltage conditions up to ±45V.
A lookup table (LUT) stores linearity correction data for several types of thermocouples (K, J, N, R, S, T, E, and B). Line frequency filtering of 50Hz and 60Hz is included, as is thermocouple fault detection. A SPI-compatible interface allows selection of thermocouple type and setup of the conversion and fault detection processes.
Features
- Provides High-Accuracy Thermocouple Temperature Readings
- Includes Automatic Linearization Correction for 8 Thermocouple Types
- ±0.15% (max, -20°C to +85°C) Thermocouple FullScale and Linearity Error
- 19-Bit, 0.0078125°C Thermocouple Temperature Resolution
- Internal Cold-Junction Compensation Minimizes System Components
- ±0.7°C (max, -20°C to +85°C) Cold-Junction Accuracy
- ±45V Input Protection Provides Robust System Performance
- Simplifies System Fault Management and Troubleshooting
- Detects Open Thermocouples
- Over- and Undertemperature Fault Detection
- 50Hz/60Hz Noise Rejection Filtering Improves System Performance
- 14-Pin TSSOP Package
Applications
- - Temperature Controllers - Industrial Ovens, Furnaces, and Environmental Chambers Industrial Equipment
Datasheet
Alternative Parts
Common MAX31856MUD+T alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
Sourcing Information
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