Texas Instruments

LM4140CCMX-4.1  

Voltage References

LM4140CCMX-4.1 Description

The LM4140CCMX-4.1 is a precision voltage reference IC designed by Texas Instruments, offering a fixed output voltage of 4.096V with an exceptional tolerance of ±0.1%. This device is optimized for high-precision applications requiring stable and reliable voltage references. It operates within an input voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply environments. The LM4140CCMX-4.1 features a low supply current of 400µA, which is ideal for low-power applications, and it can provide an output current of up to 8mA. The temperature coefficient of 10ppm/°C ensures minimal drift over the operating temperature range of 0°C to 70°C (TA). The device is available in a surface-mount package, specifically in a Tape & Reel (TR) format, and has a moisture sensitivity level (MSL) of 1 (Unlimited), making it highly durable and suitable for various manufacturing processes.

LM4140CCMX-4.1 Features

• High Precision: The LM4140CCMX-4.1 offers a tight tolerance of ±0.1%, ensuring high accuracy in voltage reference applications.
• Low Temperature Coefficient: With a temperature coefficient of 10ppm/°C, the device maintains stability across its operating temperature range, minimizing voltage drift.
• Low Supply Current: The low supply current of 400µA makes the LM4140CCMX-4.1 suitable for battery-powered and low-power applications, reducing overall power consumption.
• High Output Current Capability: The ability to provide up to 8mA of output current ensures robust performance in applications requiring higher current loads.
• Wide Input Voltage Range: The input voltage range of 1.8V to 5.5V provides flexibility in power supply design, accommodating various input sources.
• Surface-Mount Compatibility: The surface-mount package type and Tape & Reel (TR) format make the device easy to integrate into modern PCB designs, enhancing manufacturing efficiency.
• Moisture Sensitivity Level 1: The MSL 1 (Unlimited) rating ensures the device is highly durable and suitable for a wide range of manufacturing conditions.

LM4140CCMX-4.1 Applications

The LM4140CCMX-4.1 is ideal for applications requiring high-precision voltage references, such as:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog signal conversion.
• Digital-to-Analog Converters (DACs): Ensures precise output voltage levels for digital signal conversion.
• Precision Measurement Instruments: Offers a reliable voltage reference for instruments requiring high accuracy and stability.
• Power Management Systems: Serves as a stable reference for voltage regulation and monitoring in power supply designs.
• Battery Management Systems: Provides a stable reference for accurate voltage monitoring and control in battery-powered devices.
• Medical Equipment: Ensures precise voltage references for critical medical devices requiring high reliability and accuracy.

Conclusion of LM4140CCMX-4.1

The LM4140CCMX-4.1 from Texas Instruments is a high-precision voltage reference IC that stands out due to its exceptional tolerance, low temperature coefficient, and low supply current. These features make it an ideal choice for applications requiring high accuracy and stability, such as ADCs, DACs, and precision measurement instruments. Despite being marked as obsolete, the LM4140CCMX-4.1 remains a reliable option for designers seeking a proven voltage reference solution. Its surface-mount compatibility and moisture sensitivity level 1 rating further enhance its versatility and durability, making it suitable for a wide range of manufacturing processes and applications.

LM4140CCMX-4.1 Documents

Download datasheets and manufacturer documentation for LM4140CCMX-4.1

Datasheets :

LM4140 Datasheet