The REF3433SQDBVRQ1 is a high-precision, low-power, series voltage reference chip from Texas Instruments, designed to ensure stability and accuracy in a wide range of applications. This device is a part of Texas Instruments' automotive-grade product offerings, ensuring reliability and performance in automotive and other demanding industrial environments.

Key Features

• Precision Series Voltage Reference: The REF3433SQDBVRQ1 offers a fixed output voltage of 3.3V, which is ideal for 3V to 3.3V systems, providing a stable reference voltage for ADCs, DACs, and other sensitive analog circuitry.
• Low Temperature Coefficient: With an excellent temperature coefficient, this device maintains a consistent output voltage over a wide temperature range, making it suitable for applications that are exposed to varying environmental conditions.
• Low Dropout Voltage: The low dropout voltage feature allows the reference to remain stable even with a minimal difference between the input voltage and the output voltage, enhancing the efficiency of the system.
• High Output Current: Capable of sourcing up to 10mA of output current and sinking up to 5mA, the REF3433SQDBVRQ1 can drive a wide range of loads, making it versatile for numerous applications.
• Automotive Grade: As a Q1 device, it meets the stringent quality and reliability standards required for automotive applications, including AEC-Q100 qualification.

Applications

The REF3433SQDBVRQ1 is designed for use in various automotive systems such as powertrain, infotainment, and ADAS (Advanced Driver Assistance Systems). It is also suitable for industrial applications like process control, portable instrumentation, and energy management systems that demand high precision and robustness.

Package and Availability

The device is available in a small 5-pin SOT-23 package, which is ideal for space-constrained applications. The REF3433SQDBVRQ1 is designed for easy integration into existing designs and is widely available through Texas Instruments and authorized distributors.

For detailed specifications, application notes, and support resources, please visit the Texas Instruments product page.