The REF3440QDGKRQ1 is a high-precision, low-power, low-dropout voltage reference from Texas Instruments designed specifically for automotive and industrial applications. This robust device offers a fixed 4.096V output voltage, making it an ideal choice for analog-to-digital converters (ADCs) with a corresponding input range, ensuring accurate data conversion and system performance.

Key Features

• High Accuracy: The REF3440QDGKRQ1 boasts an impressive initial accuracy of ±0.1%, providing precise voltage for critical applications.
• Low Temperature Drift: With a temperature coefficient of just 10ppm/°C, the device maintains its accuracy over a wide temperature range, ensuring reliable performance under varying environmental conditions.
• Low Dropout Voltage: Its low dropout voltage allows for efficient operation even when the supply voltage is close to the output voltage, minimizing power loss and improving overall system efficiency.
• Stable with Low-ESR Capacitors: The REF3440QDGKRQ1 remains stable with ceramic capacitors that have low equivalent series resistance (ESR), providing flexibility in design and reducing component costs.
• Automotive-Qualified: As a device qualified for automotive applications, it meets stringent quality and reliability standards, including operation across a wide temperature range of -40°C to 125°C.

Applications

The REF3440QDGKRQ1 is versatile and can be used in a variety of applications such as powertrain systems, body electronics, infotainment systems, and advanced driver-assistance systems (ADAS). Its reliability and precision also make it suitable for industrial automation, test equipment, and medical devices where accurate voltage references are critical.

Package and Availability

This voltage reference comes in a compact, 8-pin MSOP (DGK) package, which is suitable for space-constrained applications. The device is part of Texas Instruments' automotive product lineup, reflecting its commitment to providing long-term availability and support for automotive-grade components.