ADR440ARMZ

Temperature Coefficient:	10ppm/°C
Base Part Number:	ADR440
Supplier Device Package:	8-MSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TA)
Current - Supply:	3.75mA
Voltage - Input:	3 V ~ 18 V
Noise - 10Hz to 10kHz:	--
Noise - 0.1Hz to 10Hz:	1µVp-p
Series:	XFET®
Tolerance:	±0.15%
Current - Output:	10mA
Voltage - Output (Min/Fixed):	2.048V
Output Type:	Fixed
Reference Type:	Series
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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ADR440ARMZ is a low-power, low-noise, 3.0V precision reference, manufactured and sold by Analog Devices. It is used in a wide range of industrial, consumer and embedded applications such as telecommunications, automotive, and medical devices.The ADR440ARMZ is a voltage reference that operates with a wide operating temperature range up to 125°C. It has a low drift over the operating temperature range and features an adjustable 0.95V to 4.85V output. This allows for an adjustable output voltage range making the reference suitable for use with different types of electronic components like microprocessors and analog-to-digital converters.The device comes in two available packages, a 2mm x 1.4mm uQFN surface-mount package and an 8-pin SOIC package. It features a low power consumption of only an average of 3.7µA, making it suitable for ultra-low-power systems. The reference can be used in many different application areas, ranging from consumer electronics to industrial automation.The primary working principle of the device is based on a bipolar junction transistor (BJT). This applies a voltage at the base of the BJT with which its collector-emitter current can be modified, regulating the output voltage of the reference. This regulates the output voltage to produce a stable voltage between the output terminal and the NEG pin, independent of the power supply voltage.The device is connected in an open-loop fashion with no connection between the output terminal and the NEG pin. This simplifies the implementation of the device in many different applications. It also reduces the amount of noise that can potentially be introduced by the device which further increases its reliability.The ADR440ARMZ is designed with a high accuracy of ±0.05% maximum error over temperature and voltage, making it a precision reference for monolithic and passive systems. The reference is designed for use in small systems due to its low size and low power consumption, making it suitable for a wide range of applications.In summary, the ADR440ARMZ is a low-power, low-noise, 3.0V precision reference offered by Analog Devices. It is available in two packages which allows for easy integration in small systems. The device operates with a wide operating temperature range up to 125°C and has an adjustable 0.95V to 4.85V output. The primary working principle of the device is based on a bipolar junction transistor, regulating the output voltage to produce a stable voltage between the output terminal and the NEG pin. The device is designed with a high accuracy of ±0.05% maximum error over temperature and voltage, making it a reliable and efficient choice for monolithic and passive systems.

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