Texas Instruments

REF3140AQDBZRQ1  

Voltage References

The REF3140AQDBZRQ1 is a high-precision, low-noise, low-power voltage reference integrated circuit (IC) manufactured by Texas Instruments. This device is designed to provide a stable and accurate voltage reference across a wide range of operating conditions, making it ideal for use in a variety of precision applications.

Description:

The REF3140AQDBZRQ1 is a precision voltage reference IC that operates from a single supply voltage and provides a stable output voltage with low temperature drift and low noise. The device is available in a compact 10-lead MSOP package, making it suitable for use in space-constrained applications.

Features:

1. High precision: The REF3140AQDBZRQ1 offers an initial accuracy of ±0.05% and a temperature drift of 5 ppm/°C, ensuring a stable and accurate voltage reference.
2. Low noise: The device features a low output noise of 2.5 μVrms, making it suitable for use in sensitive applications where noise can be a concern.
3. Low power consumption: The REF3140AQDBZRQ1 operates with a low quiescent current of 85 μA, making it ideal for battery-powered applications.
4. Wide supply voltage range: The device can operate from a supply voltage range of 2.7 V to 5.5 V, providing flexibility in system design.
5. Low temperature coefficient: The REF3140AQDBZRQ1 has a low temperature coefficient of 5 ppm/°C, ensuring stable performance across a wide temperature range.
6. Internal compensation: The device features internal compensation, eliminating the need for external components for stabilization.

Applications:

The REF3140AQDBZRQ1 is suitable for a variety of precision applications, including but not limited to:

1. Data acquisition systems: The low noise and high precision of the REF3140AQDBZRQ1 make it ideal for use in data acquisition systems where accurate voltage references are critical.
2. Battery-powered devices: The low power consumption of the device makes it suitable for use in battery-powered applications where power efficiency is important.
3. Medical equipment: The REF3140AQDBZRQ1 can be used in medical equipment where stable and accurate voltage references are required for reliable operation.
4. Industrial control systems: The device can be used in industrial control systems where precision and stability are essential for maintaining system performance.
5. Sensor interfaces: The REF3140AQDBZRQ1 can be used in sensor interfaces to provide a stable and accurate voltage reference for signal conditioning and analog-to-digital conversion.

In summary, the REF3140AQDBZRQ1 is a high-precision, low-noise, low-power voltage reference IC from Texas Instruments that offers excellent performance and stability across a wide range of operating conditions. Its features make it suitable for use in a variety of precision applications, including data acquisition systems, battery-powered devices, medical equipment, industrial control systems, and sensor interfaces.

REF3140AQDBZRQ1 Documents

Download datasheets and manufacturer documentation for REF3140AQDBZRQ1

Images :

Mechanical Outline Drawing      

PCN :

Product Change Notification_2024_03_07 (PDF)      

Application Notes :

Choosing the Right Voltage Reference for Your Automotive Application       REF31xx-Q1 Functional Safety FIT Rate and Failure Mode Distribution