ADR390AUJZ-REEL7

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PMIC – Voltage References are some of the most versatile sources of power available on the market. The ADR390AUJZ-REEL7, in particular, is a powerful voltage regulator with built-in overvoltage protection and reverse polarity protection. It provides stable, low noise operation for applications in precision measuring instruments, communications equipment, medical and scientific equipment, motor control, power supplies and more.

The device integrates four references in a single package with the following features:

• Low quiescent current
• Low voltage drop
• Low operating temperature
• Wide input voltage range: +2.7V to +18V
• High frequency operation: 16MHz.

The device operates as a series regulator with either a resistor or a transistor-configured reference. In the series regulator configuration, the device regulates the output voltage from the output terminal to a predefined one, regardless of the input voltage. The available output voltages are 0.85V, 1.1V, 1.2V, 1.5V, 1.8V, 2.5V, 3.3V and 5V. The output voltage is selected by a combination of the reference information pins. A 3-state TTL control allows further control of the device’s operation. The device also allows a maximum load current of up to 500mA.

The ADR390AUJZ-REEL7 employs a sophisticated proprietary derating system to ensure stable, low noise operation over a wide range of input voltages. The device has the ability to regulate over a wide temperature range of -55 to +125 degrees Celsius, making it suitable for a variety of applications. It is also capable of preventing thermal shutdown due to overcurrent or overvoltage. Excellent PSRR performance is achieved by using a high voltage differential amplifier. The device also provides an external calibration pin to ensure an accurate voltage reference.

In terms of protection features, the device provides both reverse polarity and overvoltage protection. It also has built-in overtemperature protection. The built-in overtemperature protection feature maintains a stable operating temperature and prevents thermal shutdown.

In conclusion, the ADR390AUJZ-REEL7 voltage reference device is an extremely versatile and powerful source of power for a variety of applications. With low quiescent current and wide input voltage range, this device provides a stable and low noise operation over a wide temperature range. The device is also extremely robust, with protection features such as reverse polarity and overvoltage protection, which make it suitable for use in many different applications. Furthermore, the device provides excellent PSRR performance and an external calibration pin, making it a reliable and accurate voltage reference.

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