Application software & framework
Data sheet
TMP1826
- 1-Wire interface with multi-drop shared bus and cyclic redundancy check (CRC)
- Bus powered with operating voltage: 1.7 V to 5.5 V
- IEC 61000-4-2 ESD for 8-kV contact discharge
- Functional Safety-Capable
- High-accuracy digital temperature sensor (WSON package)
- ±0.2°C (maximum) from +10°C to +45°C
- ±0.3°C (maximum) from –40°C to +105°C
- ±0.4°C (maximum) from –55°C to +150°C
- High-accuracy digital temperature sensor (VSSOP package)
- ±0.3°C (maximum) from –20°C to +85°C
- ±0.5°C (maximum) from –55°C to +150°C
- Temperature measurement current: 94 µA
- Shutdown current: 1.3 µA
- 16-bit temperature resolution: 7.8125 m°C (1 LSB)
- Fast data rates of 90 kbps in overdrive speed
- Flexible user programmable short address modes for faster device address
- 2Kb EEPROM features:
- Write operation in 64-bit block size
- Continuous read mode
- Read with write protection with 256-bit page size
- Programming current: 178 µA
- NIST traceable factory-programmed non erasable 64-bit identification number for device addressing
- Four configurable open-drain digital input-output and temperature alert
The TMP1826 is a high-accuracy, 1-Wire compatible digital output temperature sensor with integrated 2Kb EEPROM and a wide operating temperature range from –55°C to +150°C. The TMP1826 provides a high accuracy of ±0.1°C (typical)/±0.2°C (maximum) across the temperature range of +10°C to +45°C. Each device comes with a factory programmed 64-bit unique identification number for addressing and NIST traceability. The TMP1826 supports both standard speed for legacy application and overdrive mode with 90-kbps data rate for low latency communication across a wide voltage range of 1.7 V to 5.5 V.
In the simplest mode of operation, the TMP1826 1-Wire interface, with an integrated 8-kV IEC-61000-4-2 ESD protection on the data pin, requires only a single connection and a ground return in bus powered mode, which simplifies and reduces cost by reducing the number of wires and external protection components. Additionally, there is the V DD power pin also available for applications that may want to have a dedicated power supply.
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Evaluation board
TMP1827EVM — TMP1827 evaluation module for single-wire digital temperature sensor
The TMP1827 is a high-accuracy single-wire compatible digital-output temperature sensor with integrated secure hash algorithm (SHA) 256-bit with hash message authentication code (HMAC) and 2-Kbit EEPROM. The TMP1827 provides a high-accuracy of ±0.3°C across the temperature range of -55°C to 150°C.
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| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| VSSOP (DGK) | 8 | Ultra Librarian |
| WSON (NGR) | 8 | Ultra Librarian |
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