ADR03AR-REEL7

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The ADR03AR-REEL7 is a three-terminal voltage reference from Texas Instruments\' family of precision-grade voltage references. It is specifically designed for use in precision analog applications, including transimpedance preamplifiers, current-controlled current sources, and precision power supplies. This versatile voltage reference is also well suited for automotive, industrial, and medical recording applications. The ADR03AR-REEL7 provides an output voltage of 4.096 volts with an accuracy of 0.05%.

The ADR03AR-REEL7 is a PMIC (Power Management Integrated Circuit) Voltage Reference device. It works by utilizing a Zener diode, a voltage reference diode, to provide a known and stable regulated output voltage. The diode is connected in a simple circuit that is driven by an external source, such as a battery or power supply. As the power supply voltage varies, the voltage across the Zener diode remains constant, creating a stable output voltage. This is made possible by the Zener diode’s negative temperature coefficient, meaning that its voltage drops as the temperature increases. This allows the voltage reference device to automatically maintain a constant output voltage regardless of varying input voltages.

The ADR03AR-REEL7 also incorporates an improved design approach for current limiting protection. This feature is designed to protect the voltage reference device from extreme overcurrent conditions - an important safety feature in analog and power supply applications. This improved design approach also mitigates the effects of capacitive loading at the output, which can cause output voltage instability in other voltage references. The device is also reliable and stable over a wide temperature range, making it suitable for harsh environments.

In addition, the ADR03AR-REEL7 offers a maximum input voltage of 15V, a low 4.6 μA of current consumption, and fast settling time of 3.5μs for applications requiring high accuracy and precision. The device also features the industry standard three-pin TO-92 package, making it easy to integrate into existing systems. The ADR03AR-REEL7 is built to last, offering excellent long-term stability, a rated lifetime of 5000 hours, and a wide operating temperature range of -40°C to +125°C.

The ADR03AR-REEL7 is an ideal solution for precision analog applications. Its combination of features make it well suited for a wide range of applications, such as transimpedance preamplifiers, current-controlled current sources, and precision power supplies. It is also a reliable and robust choice for automotive, industrial, and medical recording applications. As a voltage reference device, the ADR03AR-REEL7 provides a stable, accurate, and reliable output voltage, making it a great option for designers looking for an efficient and economical way to provide precision and accuracy in their analog applications.

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