LM71CISDX/NOPB

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Temperature sensors are an important component in managing the physical environment, as they provide the necessary data to control the temperature, humidity, and other variables. Adequate control of these components maintains the desired conditions for ideal plant production. The LM71CISDX/NOPB, which falls within the category of temperature sensors – analog and digital output, is one such sensor.

The LM71CISDX/NOPB is an integrated analog temperature sensor integrated circuit (IC) from Texas Instruments. It consists of an analog temperature sensor, reference voltage source, control and diagnostic logic, voltage and current regulators, and 3.75 mm² ADC input stage. It is designed to provide accurately calibrated digital output voltages for control and monitoring purposes. The operating temperature range is from -40 °C to +85 °C (−40 °F to +185 °F).

The LM71CISDX/NOPB is powered with 1.8 V–3.6 V power supply and the nominal quiescent current is 4μA. The quiescent current increases with increasing temperature. It has the feature of default temperature offset. The output is read using the I2C-compatible bus interface. It includes an address pin that can be used for connecting multiple devices to one bus. The I2C bus implements auto-addressing, allowing up to eight devices to be connected in one loop.

The working of LM71CISDX/NOPB is based on a sensing mechanism inspired by Dickson-principle. The temperature reads from the junction of two N-type MOSFETs which are connected to a current source. The current source creates a voltage across the MOSFETs which is proportional to the temperature, and the I2C-bus interface measures this voltage and converts it to digital output signal. The sensing element is designed in such a way that the voltage at the center of the MOSFETs junction is maintained at its optimal level.

The LM71CISDX/NOPB has low noise, wide dynamic range, and fast conversion rate. The noise produced by the device is negligible and its linearity is very low. Consequently, its response time is very fast, with conversion times in the order of microseconds. The dynamic range of the device is also large, spanning -40°C to +85°C.

The LM71CISDX/NOPB is widely used in temperature-controlled applications and can be found in systems such as HVAC, medical diagnosis systems, home automation devices, and factory automation systems. This device is also particularly suited for use in designs requiring extremely accurate temperature readings over a wide dynamic range.

The LM71CISDX/NOPB is an efficient and accurate thermal sensor providing calibrated digital output voltages for a variety of applications. It is easy to use, requires minimal external components, and is robust enough to handle varying temperatures and output voltages. Furthermore, its small size and low power consumption make it an ideal choice for compact designs.

The specific data is subject to PDF, and the above content is for reference