Overview
The TMP112AIDRLR from Texas Instruments is a highly precise, low-power digital temperature sensor. It is designed for applications requiring consistent and accurate temperature measurements. This sensor operates over a wide temperature range from -40°C to 125°C, making it suitable for diverse environmental conditions. It features a digital output and communicates through an I2C interface, facilitating ease of integration into various digital systems. The TMP112AIDRLR is housed in a compact SOT-563 package, which is 68% smaller than an SOT23 package, combining space-saving design with high performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Accuracy | ±0.5°C (max) from 0°C to +65°C, ±1.0°C (max) from -40°C to +125°C | °C |
| Operating Temperature Range | -40°C to 125°C | °C |
| Operating Supply Voltage | 1.4 V to 3.6 V | V |
| Quiescent Current | 3.2 µA (typical) | µA |
| Interface | SMBus, Two-Wire, I2C | |
| Package Type | SOT-563 | |
| Package Dimensions | 1.6 mm x 1.2 mm x 0.55 mm | mm |
Key Features
- High accuracy with ±0.5°C (max) from 0°C to +65°C and ±1.0°C (max) from -40°C to +125°C.
- Low power consumption with a typical quiescent current of 3.2 µA.
- Compact SOT-563 package, ideal for space-constrained applications.
- Digital output with 12-bit resolution and an on-chip 12-bit ADC offering resolutions down to 0.0625°C.
- Supports SMBus, two-wire, and I2C interfaces, allowing up to four devices on one bus.
- Alert function for temperature threshold notifications.
- Programmable temperature register and power-on reset function.
Applications
- Consumer Electronics: Suitable for smart home devices, wearables, and other personal gadgets where precise temperature monitoring is crucial.
- Industrial Automation: Can be integrated into HVAC systems, machinery, or production equipment requiring temperature regulation or monitoring.
- Environmental Monitoring: Useful in weather stations or environmental sensing devices for accurate temperature measurements.
- Healthcare: Potential use in monitoring storage conditions for temperature-sensitive medications or laboratory samples, pending thorough validation.
- Computing and Data Storage: Can be used in data centers or networking equipment to monitor and control system temperatures).
Q & A
- What is the accuracy of the TMP112AIDRLR temperature sensor?
The TMP112AIDRLR has an accuracy of up to ±0.5°C from 0°C to +65°C and ±1.0°C from -40°C to +125°C).
- What is the operating temperature range of the TMP112AIDRLR?
The operating temperature range is from -40°C to 125°C).
- What is the operating supply voltage range for the TMP112AIDRLR?
The operating supply voltage range is from 1.4 V to 3.6 V).
- What interface does the TMP112AIDRLR use for communication?
The TMP112AIDRLR uses SMBus, two-wire, and I2C interfaces).
- What is the package type and dimensions of the TMP112AIDRLR?
The package type is SOT-563, with dimensions of 1.6 mm x 1.2 mm x 0.55 mm).
- Does the TMP112AIDRLR have an alert function?
Yes, the TMP112AIDRLR features an alert function for temperature threshold notifications).
- What is the typical quiescent current of the TMP112AIDRLR?
The typical quiescent current is 3.2 µA).
- Is the TMP112AIDRLR RoHS compliant?
Yes, the TMP112AIDRLR is RoHS and Pb-free certified).
- What are some potential applications of the TMP112AIDRLR?
Potential applications include consumer electronics, industrial automation, environmental monitoring, healthcare, and computing and data storage).
- Does the TMP112AIDRLR support multiple devices on one bus?
Yes, the TMP112AIDRLR allows up to four devices on one bus).
