Overview
The TMP1075NDRLR, produced by Texas Instruments, is a highly accurate and low-power digital temperature sensor. It is designed as a replacement for the industry-standard LM75 and TMP75 temperature sensors, offering enhanced performance and compatibility. The TMP1075 is available in various packages, including SOIC-8, VSSOP-8, WSON-8, and SOT563-6, with new packages such as 2.0mm × 2.0mm DFN and 1.6mm × 1.6mm SOT563-6, significantly reducing the PCB footprint. This sensor provides pin-to-pin and software compatibility, making it easy to upgrade existing designs.
Key Specifications
| Parameter | Value |
|---|---|
| Temperature Accuracy | ±0.25°C (typical) from −55°C to 125°C, ±1°C (maximum) from −40°C to 110°C, ±2°C (maximum) from −55°C to 125°C |
| Average Current | 2.7µA |
| Shutdown Current | 0.37µA |
| Supply Range | 1.62V to 5.5V |
| Temperature Resolution | 0.0625°C (12-bit ADC) |
| Digital Interface | SMBus, I2C |
| I2C Addresses | Up to 32 addresses |
| Operating Temperature Range | −40°C to 125°C (TMP1075N DRL package), −55°C to 125°C (other packages) |
| Package Type | SOT-5X3 (DRL), among others |
| Pins | 6 (SOT-5X3) |
Key Features
- High temperature accuracy: ±0.25°C (typical) from −55°C to 125°C, ±1°C (maximum) from −40°C to 110°C, and ±2°C (maximum) from −55°C to 125°C.
- Low power consumption: 2.7µA average current and 0.37µA shutdown current.
- Wide supply range: 1.62V to 5.5V.
- Temperature independent of supply.
- Digital interface: SMBus and I2C compatible.
- Software compatibility with industry-standard LM75 and TMP75.
- Supports up to 32 I2C addresses.
- ALERT pin function for temperature alerts.
- NIST traceability and ISO/IEC 17025 accredited standards compliance.
- Compact packages reducing PCB footprint significantly.
Applications
- Industrial automation and control systems.
- Medical devices requiring precise temperature monitoring.
- Aerospace and defense applications where high accuracy is crucial.
- Consumer electronics, such as smartphones and laptops, for thermal management.
- Automotive systems, including engine and cabin temperature monitoring.
- Environmental monitoring and weather stations.
Q & A
- What is the temperature accuracy of the TMP1075NDRLR?
The TMP1075NDRLR has a temperature accuracy of ±0.25°C (typical) from −55°C to 125°C, ±1°C (maximum) from −40°C to 110°C, and ±2°C (maximum) from −55°C to 125°C.
- What are the power consumption characteristics of the TMP1075NDRLR?
The TMP1075NDRLR has an average current of 2.7µA and a shutdown current of 0.37µA.
- What digital interfaces does the TMP1075NDRLR support?
The TMP1075NDRLR supports SMBus and I2C interfaces.
- How many I2C addresses can the TMP1075NDRLR support?
The TMP1075NDRLR supports up to 32 I2C addresses.
- What is the operating temperature range of the TMP1075NDRLR?
The operating temperature range is −40°C to 125°C for the TMP1075N DRL package and −55°C to 125°C for other packages.
- Is the TMP1075NDRLR compatible with existing LM75 and TMP75 designs?
Yes, the TMP1075NDRLR is pin-to-pin and software compatible with industry-standard LM75 and TMP75 temperature sensors.
- What is the resolution of the temperature readings provided by the TMP1075NDRLR?
The TMP1075NDRLR provides a temperature resolution of 0.0625°C with its 12-bit ADC.
- Does the TMP1075NDRLR have any alert functions?
Yes, the TMP1075NDRLR has an ALERT pin function for temperature alerts.
- Is the TMP1075NDRLR NIST traceable?
Yes, the TMP1075NDRLR units are 100% tested on a production setup that is NIST traceable and verified with equipment calibrated to ISO/IEC 17025 accredited standards.
- What are the package options available for the TMP1075NDRLR?
The TMP1075NDRLR is available in various packages including SOIC-8, VSSOP-8, WSON-8, SOT563-6, 2.0mm × 2.0mm DFN, and 1.6mm × 1.6mm SOT563-6.
