Overview
The LM95071CIMF/NOPB from Texas Instruments is a low-power, high-resolution digital temperature sensor. It features an SPI and MICROWIRE compatible interface and is packaged in a compact 5-pin SOT-23 package. This sensor is designed to operate over a wide temperature range of −40°C to +150°C, making it suitable for various applications where precise temperature measurement is critical. The host can query the LM95071 at any time to read temperature, and its low operating current of 280 µA (typical) is particularly useful in systems where low power consumption is essential.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 2.4 V to 5.5 V | V |
| Supply Current (Operating) | 280 µA (typical) | µA |
| Supply Current (Shutdown) | 6 µA (typical) | µA |
| Temperature Accuracy (0°C to 70°C) | ±1°C (maximum) | °C |
| Temperature Accuracy (−40°C to 150°C) | ±2°C (maximum) | °C |
| Temperature Resolution | 0.03125°C | °C |
| Operating Temperature Range | −40°C to 150°C | °C |
| Package Type | 5-pin SOT-23 (DBV) |
Key Features
- Small SOT-23 package saves space.
- Shutdown mode conserves power between temperature readings.
- Operates over a full −40°C to +150°C range.
- SPI and MICROWIRE bus interface.
- 13-bit plus sign temperature resolution (0.03125°C per LSB).
- Low operating current: 280 µA (typical) and shutdown current: 6 µA (typical).
Applications
The LM95071 is ideal for a wide range of applications, including process control, HVAC systems, and any system where precise temperature measurement and low power consumption are critical. Its compact size and low power requirements make it suitable for use in battery-powered devices, industrial automation, and other applications requiring accurate temperature sensing.
Q & A
- What is the operating temperature range of the LM95071? The LM95071 operates over a temperature range of −40°C to +150°C.
- What is the supply voltage range for the LM95071? The supply voltage range is 2.4 V to 5.5 V.
- What is the typical operating current of the LM95071? The typical operating current is 280 µA.
- How accurate is the temperature measurement of the LM95071? The temperature accuracy is ±1°C (maximum) from 0°C to 70°C and ±2°C (maximum) from −40°C to 150°C.
- What is the temperature resolution of the LM95071? The temperature resolution is 0.03125°C.
- What interface does the LM95071 use? The LM95071 uses an SPI and MICROWIRE compatible interface.
- What is the package type of the LM95071? The LM95071 is packaged in a 5-pin SOT-23 (DBV) package.
- How does the shutdown mode conserve power? The shutdown mode reduces the supply current to 6 µA (typical), significantly conserving power between temperature readings.
- Can the LM95071 be used in battery-powered devices? Yes, the LM95071 is suitable for use in battery-powered devices due to its low power consumption.
- What is the typical conversion time for the LM95071? The typical conversion time is 130 ms at 25°C and up to 228 ms over the full temperature range.
