ADR434ARZ-REEL7

Noise - 0.1Hz to 10Hz:	6.25µVp-p
Base Part Number:	ADR434
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	800µA
Voltage - Input:	6.1 V ~ 18 V
Noise - 10Hz to 10kHz:	--
Series:	XFET®
Temperature Coefficient:	10ppm/°C
Tolerance:	±0.12%
Current - Output:	30mA
Voltage - Output (Min/Fixed):	4.096V
Output Type:	Fixed
Reference Type:	Series
Part Status:	Active
Packaging:	Tape & Reel (TR)

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ADR434ARZ-REEL7 Voltage Reference Application Field and Working Principle

PMIC (Power Management Integrated Circuits) are semiconductor integrated circuits that are responsible for the applications of power management in different electronic circuits. One of the PMIC components is the voltage reference, which among its many functions, is used to provide a constant voltage reference for the rest of the system components to use. Especially in applications where high accuracy and stability are critical, the voltage reference is used to provide the circuitry with a reference voltage that is free from any kind of external interference. ADR434ARZ-REEL7 is a precision analog-output voltage reference designed for use in mobile phones and portable devices. This voltage reference integrated circuit (IC) is designed to provide high accuracy and stability in low-power applications, making it suitable for many battery-operated devices across different industries. The ADR434ARZ-REEL7 voltage reference allows engineers to incorporate an analog reference voltage into their designs without requiring external references.The ADR434ARZ-REEL7 offers a very small footprint while providing a wide input voltage range of 1.7 V to 5.5 V. The reference output voltage is set to ±0.1% over a temperature range of -25°C to 85°C. This device has very low noise and a high ENOB (Effective Number Of Bits) of 12 at 25°C, making it very suitable for precision data acquisition systems. In addition to that, the device has decreased stability time for fast turn-on, which further improves its efficiency when used in portable systems.The ADR434ARZ-REEL7 voltage reference has two different analog outputs, both of which can be implemented in applications as a voltage reference. The first output is referred to as the "High Output", which provides a 4.34 V reference that is temperature-stable with a load regulation of 0.1%. The second output is a "Low Output", which provides a 1.21 V reference that has 0.02% temperature stability with a load regulation of 0.2%. The application field of the ADR434ARZ-REEL7 voltage reference varies depending on the operation of the integrated circuit. Its application mainly lies in the area of precision data acquisition systems, precision analog signal processing, and portable systems. Some of its applications include power management, high-resolution data acquisition systems, low-noise systems, automotive and industrial applications.The working principle of the ADR434ARZ-REEL7 voltage reference is quite simple. It uses the internal circuits to monitor the outputs and calibrate them to a constant voltage reference that is free from any external interference. The circuit consists of an internal precision Band Gap Reference and an output current amplifier that is used to set the output voltage level. The output voltage is adjusted using an internal programmable trim.The trim feature allows the user to adjust the reference voltage level depending on the application. The output voltage is maintained at the same level without being affected by the external voltage changes, temperature shifts, or any other environmental factors. Additionally, the output voltage level of the ADR434ARZ-REEL7 voltage reference can be set in microvolts to ensure high accuracy and precision. In general, the ADR434ARZ-REEL7 voltage reference provides designers with a complete solution to their power management, precision data acquisition system, and low-noise system design requirements. Its low-noise, high accuracy, and small footprint make it suitable for a wide range of applications. Furthermore, its adjustable voltage reference allows the user to customize the circuit to meet their specific needs.

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