Texas Instruments

REF3425IDBVR

The REF3425IDBVR is a precision, low-drift voltage reference integrated circuit (IC) manufactured by Texas Instruments. It is designed to provide a stable and accurate voltage reference in a wide range of operating conditions.

Description:

The REF3425IDBVR is a high-performance, low-drift voltage reference IC that operates from a single supply voltage. It features a precision bandgap reference core, which ensures excellent temperature stability and low initial accuracy. The device is available in a compact 5-pin SOT-23 package, making it suitable for space-constrained applications.

Features:

1. Low temperature drift: The REF3425IDBVR has an ultra-low temperature drift of 0.5 ppm/°C (max) over the -40°C to +125°C temperature range.
2. High precision: The device offers an initial accuracy of ±0.05% (max) and a voltage temperature coefficient of 5 ppm/°C (max).
3. Low power consumption: The REF3425IDBVR consumes only 60 µA (typical) at 5 V supply voltage, making it suitable for battery-powered applications.
4. Wide supply voltage range: The IC can operate with a supply voltage range of 2.7 V to 5.5 V, providing flexibility in system design.
5. Low output noise: The REF3425IDBVR has a low output noise of 0.6 µV (peak-to-peak) over a 10 Hz to 10 kHz frequency range.
6. Enable pin: The device features an enable pin (EN) that allows the user to turn the reference output on or off, reducing power consumption when not in use.

Applications:

1. Data acquisition systems: The REF3425IDBVR's low drift and high precision 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 REF3425IDBVR makes it suitable for battery-powered applications, such as portable medical devices and wireless sensors.
3. Industrial control systems: The device's wide supply voltage range and low drift characteristics make it suitable for use in industrial control systems where stable voltage references are required.
4. Automotive applications: The REF3425IDBVR's high temperature stability and low drift characteristics make it suitable for use in automotive applications, such as engine control modules and sensor interfaces.
5. Test and measurement equipment: The device's precision and low noise characteristics make it ideal for use in test and measurement equipment, such as oscilloscopes and multimeters.

In summary, the REF3425IDBVR is a high-performance, low-drift voltage reference IC from Texas Instruments that offers excellent temperature stability, precision, and low power consumption. It is suitable for a wide range of applications, including data acquisition systems, battery-powered devices, industrial control systems, automotive applications, and test and measurement equipment.