ADR421ARMZ-REEL7

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The ADR421ARMZ-REEL7 is a precision 4.096V voltage reference with a low temperature coefficient. It is a highly accurate voltage reference designed specifically for precision applications requiring low noise and minimum drift. This voltage reference is a member of the PMIC (Power Management IC) family, and it is classified under the Voltage Reference class.

The ADR421ARMZ-REEL7 provides excellent accuracy and stability with a maximum initial accuracy of 0.05% over the temperature range of 0°C to 70°C. It also has a low temperature coefficient of 0.1 ppm/°C and an ultra-low noise performance of 0.07 μVrms. This voltage reference has a wide input voltage range of 2.7V to 5.5V and an output voltage of 4.096V. It has a maximum output current of 4mA, and a load regulation of 0.1%. It also has a wide load regulation of 5 ppm/V and a high-stability of 7 ppm/yr.

The ADR421ARMZ-REEL7 is suitable for a wide range of applications such as precision industrial and medical instrumentation, power supplies, test and measurement systems and consumer electronics. The device has an extremely low-noise output, which helps reduce the effects of errors and noise in various systems and applications. It is made with an on-chip EEPROM memory, which ensures accurate calibration results and parameters are always stored and reported.

The working principle of the ADR421ARMZ-REEL7 is based on a modified voltage reference architecture. It works through controlling the size and number of junction diodes connected to the external pins in order to calculate the output voltage. This architecture also provides excellent accuracy and stability despite temperature variations by employing dynamic self-calibration to adjust internal junction diode ratios. In addition, the device features an integrated trim and calibrate circuitry to reduce errors due to temperature, voltage and aging.

In conclusion, the ADR421ARMZ-REEL7 is a precision 4.096V voltage reference with a low temperature coefficient. It is an ideal choice for precision applications requiring low noise and minimum drift. This voltage reference is classified as a member of PMIC Voltage Reference family, and it is suitable for a wide range of applications such as precision industrial and medical instrumentation, power supplies, test and measurement systems and consumer electronics. The device has an extremely low-noise output, which helps reduce the effects of errors and noise in various systems and applications.

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