Overview
The TMP112BIDRLR, part of the TMP112 family, is a high-accuracy digital temperature sensor designed by Texas Instruments. This device is optimized for low-power consumption and high precision, making it suitable for a wide range of applications where accurate temperature measurement is crucial. The TMP112BIDRLR operates over a temperature range of –40°C to +125°C and offers a resolution of 0.0625°C with 12-bit digital output. It is compatible with SMBus, two-wire, and I2C interfaces, allowing for flexible integration into various systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Temperature Range | –40 to 125 | °C |
| Accuracy (0°C to 65°C, V+ = 1.8V) | ±0.5 | °C |
| Accuracy (–40°C to 125°C, V+ = 1.8V) | ±1.0 | °C |
| Supply Voltage Range | 1.4 to 3.6 | V |
| Resolution | 12 Bits | |
| Conversion Time | 10.25 to 11.25 | ms |
| Quiescent Current (Typical) | 3.2 µA | |
| Package Type | SOT563 (6-pin) | |
| Interface Compatibility | SMBus, Two-Wire, I2C |
Key Features
- High accuracy without calibration: ±0.5°C from 0°C to +65°C and ±1.0°C from –40°C to +125°C.
- Low power consumption with a typical quiescent current of 3.2 µA.
- 12-bit digital output with a resolution of 0.0625°C.
- Compatibility with SMBus, two-wire, and I2C interfaces.
- NIST-traceable production units.
- Ultra-small package options, including the 1.6mm × 1.6mm SOT563 package.
- Support for up to four devices on a single bus.
- Overtemperature alert function with open-drain output.
Applications
- Building automation: Occupancy detection, video doorbells, and wireless environmental sensors.
- Factory automation & control: Machine vision cameras, industrial PCs, and PLC controllers.
- Cold chain monitoring.
- Data center & enterprise computing: Solid state drives (SSDs) and rack server motherboards.
- Personal electronics: PCs, notebooks, tablets, digital cameras, augmented reality glasses, and smart speakers.
Q & A
- What is the temperature range of the TMP112BIDRLR?
The TMP112BIDRLR operates over a temperature range of –40°C to +125°C. - What is the accuracy of the TMP112BIDRLR at different temperature ranges?
The accuracy is ±0.5°C from 0°C to +65°C and ±1.0°C from –40°C to +125°C. - What is the resolution of the TMP112BIDRLR?
The resolution is 0.0625°C with a 12-bit digital output. - What interfaces is the TMP112BIDRLR compatible with?
The device is compatible with SMBus, two-wire, and I2C interfaces. - What is the typical quiescent current of the TMP112BIDRLR?
The typical quiescent current is 3.2 µA. - What package types are available for the TMP112BIDRLR?
The device is available in the SOT563 (6-pin) package. - Can multiple TMP112BIDRLR devices be connected on the same bus?
Yes, up to four devices can be connected on the same bus. - Does the TMP112BIDRLR have an overtemperature alert feature?
Yes, it features an overtemperature alert function with an open-drain output. - What are some common applications of the TMP112BIDRLR?
Common applications include building automation, factory automation, cold chain monitoring, data center & enterprise computing, and personal electronics. - Is the TMP112BIDRLR NIST-traceable?
Yes, the production units are 100% tested against NIST-traceable sensors.
