Texas Instruments

LM431CIM3/NOPB  

Voltage References

The LM431CIM3/NOPB is a precision shunt voltage reference manufactured by Texas Instruments. It is a three-terminal device that provides a stable and accurate reference voltage, which is essential for a wide range of applications.

Description:

The LM431CIM3/NOPB is an integrated circuit (IC) that generates a precise reference voltage of 2.495V ±1%. It is available in a small SOT-23 package, making it suitable for space-constrained applications. The device has a low temperature coefficient of 10 ppm/°C, which ensures stable performance over a wide temperature range.

Features:

1. Precision Reference Voltage: The LM431CIM3/NOPB provides a stable reference voltage of 2.495V ±1%, which is ideal for precision applications.
2. Low Temperature Coefficient: The device has a low temperature coefficient of 10 ppm/°C, ensuring stable performance over a wide temperature range.
3. Small Package: The LM431CIM3/NOPB is available in a compact SOT-23 package, making it suitable for space-constrained applications.
4. Low Power Consumption: The device has a low power consumption of 60 μA, which is ideal for battery-powered applications.
5. High Input Voltage Range: The LM431CIM3/NOPB can operate with an input voltage range of 4V to 36V, making it suitable for a wide range of applications.

Applications:

1. Voltage Regulation: The LM431CIM3/NOPB can be used as a voltage reference in voltage regulator circuits to provide a stable output voltage.
2. Signal Conditioning: The device can be used in signal conditioning circuits to provide a stable reference voltage for various sensors and transducers.
3. ADC/DAC Applications: The LM431CIM3/NOPB can be used as a reference voltage source for analog-to-digital converters (ADCs) and digital-to-analog converters (DACs) to ensure accurate conversion.
4. Battery Monitoring: The device can be used in battery monitoring circuits to provide a stable reference voltage for measuring battery voltage and state of charge.
5. Strain Gauge Amplifiers: The LM431CIM3/NOPB can be used in strain gauge amplifiers to provide a stable reference voltage for accurate strain measurements.

In summary, the LM431CIM3/NOPB is a versatile and precision shunt voltage reference that offers a stable and accurate reference voltage for a wide range of applications, including voltage regulation, signal conditioning, ADC/DAC applications, battery monitoring, and strain gauge amplifiers. Its small package, low power consumption, and high input voltage range make it suitable for various applications, especially in space-constrained environments.

LM431CIM3/NOPB Documents

Download datasheets and manufacturer documentation for LM431CIM3/NOPB

Images :

Mechanical Outline Drawing      

PCN :

Process Change Notification (PDF)       Product Change Notification (PDF)      

Product Catalogs :

431 Device Nomenclature (Rev. B)       Voltage Reference Overview      

SPICE Models :

LM431 Unencrypted PSpice Transient Model Package (Rev. A)