Texas Instruments

LM4140CCM-4.1

LM4140CCM-4.1 Description

The LM4140CCM-4.1 is a precision voltage reference IC designed by Texas Instruments, offering a highly accurate and stable reference voltage for various electronic applications. This device features a fixed output voltage of 4.096V with a tolerance of ±0.1%, ensuring precise voltage regulation. It operates within an input voltage range of 1.8V to 5.5V, making it suitable for a wide range of power supply conditions. The LM4140CCM-4.1 is designed for surface-mount applications, housed in a tube package, and features a low supply current of 400µA, which is ideal for low-power designs. The device operates within a temperature range of 0°C to 70°C (TA) and offers a temperature coefficient of 10ppm/°C, ensuring minimal drift over temperature variations.

LM4140CCM-4.1 Features

• High Accuracy: The LM4140CCM-4.1 provides a fixed output voltage of 4.096V with a tight tolerance of ±0.1%, ensuring high precision in voltage regulation.
• Low Temperature Coefficient: With a temperature coefficient of 10ppm/°C, the device maintains stable performance across its operating temperature range of 0°C to 70°C (TA).
• Low Supply Current: The IC operates with a low supply current of 400µA, making it suitable for low-power applications and reducing overall power consumption.
• Wide Input Voltage Range: The LM4140CCM-4.1 can operate within an input voltage range of 1.8V to 5.5V, providing flexibility in power supply requirements.
• Surface-Mount Compatibility: The device is designed for surface-mount applications, making it easy to integrate into modern PCB designs.
• Series Reference Type: The LM4140CCM-4.1 is a series reference type, ensuring a stable output voltage by regulating the input voltage.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the device is suitable for various manufacturing environments without the need for special handling procedures.

LM4140CCM-4.1 Applications

The LM4140CCM-4.1 is ideal for applications requiring high precision and stability in voltage reference. Some specific use cases include:

• Analog-to-Digital Converters (ADCs): Provides a stable reference voltage for accurate analog-to-digital conversion.
• Digital-to-Analog Converters (DACs): Ensures precise voltage levels for digital-to-analog conversion.
• Power Supply Circuits: Acts as a reference voltage for voltage regulators and power management circuits.
• Instrumentation and Measurement Equipment: Offers a reliable reference voltage for precision measurement devices.
• Telecommunications: Used in various telecom equipment for stable voltage reference requirements.

Conclusion of LM4140CCM-4.1

The LM4140CCM-4.1 from Texas Instruments is a high-performance voltage reference IC designed for precision applications. Its fixed output voltage of 4.096V with a ±0.1% tolerance, combined with a low temperature coefficient of 10ppm/°C, ensures stable and accurate performance across its operating temperature range. The low supply current of 400µA and wide input voltage range of 1.8V to 5.5V make it suitable for low-power and flexible power supply designs. The surface-mount compatibility and series reference type further enhance its versatility in modern electronic applications. Despite being marked as obsolete, the LM4140CCM-4.1 remains a reliable choice for applications requiring high precision and stability in voltage reference.