Texas Instruments LM61BIM3X/NOPB SOT-23 Temperature Sensor

Name: Texas Instruments LM61BIM3X/NOPB SOT-23 Temperature Sensor
Brand: Texas Instruments
SKU: SENS-3891
Price: 64.00 INR
Availability: OutOfStock

₹64.00 (Inclusive of all taxes)

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The Texas Instruments LM61BIM3X/NOPB is a precision analog output temperature sensor in a compact SOT-23 package, providing a linear voltage output proportional to Celsius temperature. It is designed for easy integration into 3.3V and 5V microcontroller systems, including Arduino, Raspberry Pi, and industrial PLCs, for accurate environmental monitoring.

Features

Linear Output: 10.0 mV/°C scale factor with a +600 mV offset for direct Celsius reading.
Wide Supply Range: Operates from 2.7V to 10V DC, compatible with 3.3V and 5V logic systems.
High Accuracy: ±2.0°C (max) accuracy over the full -25°C to +85°C operating range.
Low Power Consumption: Ideal for battery-powered and portable sensing applications.
Compact SOT-23 Package: Minimal board footprint for space-constrained designs.

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Description

The LM61BIM3X/NOPB is a low-voltage, analog-output temperature sensor from Texas Instruments. Its output voltage is linearly proportional to the Celsius temperature, simplifying interface with an ADC on any microcontroller. The sensor is calibrated to provide a +600 mV output at 0°C and a slope of 10.0 mV/°C, enabling straightforward software conversion.

Housed in a robust SOT-23 surface-mount package, the device is designed for stability and reliability across its specified industrial temperature range. Its low current consumption makes it suitable for power-sensitive applications, while its wide supply voltage range ensures compatibility with a variety of system power rails, from battery sources to regulated supplies.

Key Features

Linear analog output for simplified temperature measurement.
Optimized for single-supply operation from 2.7V to 10V.
Specified accuracy of ±2.0°C (max) from -25°C to +85°C.
Low quiescent current for extended battery life in portable devices.
Industry-standard SOT-23 surface-mount package for automated assembly.
Pb-free and RoHS compliant construction for global environmental standards.

Applications

System temperature monitoring and thermal management in embedded electronics.
Battery temperature sensing in portable consumer devices and power tools.
Environmental monitoring within HVAC control systems and thermostats.
Temperature compensation circuits for precision instrumentation.
Industrial process control and equipment condition monitoring.

Technical Specifications

Manufacturer Part Number	LM61BIM3X/NOPB
Manufacturer / Brand	Texas Instruments
Output Type	Analog Voltage
Output Scale	10.0 mV/°C, +600 mV at 0°C
Supply Voltage Range	2.7V to 10V DC
Operating Temperature Range	-25°C to +85°C
Accuracy	±2.0°C (max, over full range)
Package Type	SOT-23
Compliance	RoHS

Frequently Asked Questions

What is the output signal of the LM61BIM3X/NOPB sensor?

The LM61BIM3X/NOPB provides a linear analog voltage output. The output follows a scale factor of 10.0 millivolts per degree Celsius (mV/°C), with a +600 mV offset at 0°C. This means the temperature in Celsius can be calculated as: Temperature (°C) = (Vout - 0.6) / 0.01.

What is the operating voltage range for this sensor?

This sensor is designed for single-supply operation with a wide voltage range from 2.7 volts to 10 volts DC. This makes it directly compatible with common 3.3V and 5V microcontroller power rails without requiring a level shifter or additional regulation.

How accurate is the LM61BIM3X/NOPB over its temperature range?

Texas Instruments specifies a maximum accuracy of ±2.0°C over the full operating temperature range of -25°C to +85°C. This accuracy is suitable for most system monitoring and environmental sensing applications where high-precision calibration is not required.

What is the package type and how should it be mounted?

The sensor is supplied in a surface-mount SOT-23 package. It is intended for reflow soldering onto a printed circuit board (PCB). Proper PCB layout for thermal isolation from heat-generating components is recommended for optimal measurement accuracy.