ZXRE330ESA-7

Noise - 0.1Hz to 10Hz:	--
Base Part Number:	ZXRE330
Supplier Device Package:	SOT-23
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Current - Cathode:	2µA
Current - Supply:	--
Voltage - Input:	--
Noise - 10Hz to 10kHz:	55µVrms
Series:	--
Temperature Coefficient:	150ppm/°C
Tolerance:	±2%
Current - Output:	5mA
Voltage - Output (Min/Fixed):	3.3V
Output Type:	Fixed
Reference Type:	Shunt
Part Status:	Active
Packaging:	Tape & Reel (TR)

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PMIC - Voltage ReferenceZXRE330ESA-7 is a brand new, ultra-low power, low noise band gap voltage reference designed to replace NPN device-based voltage references in precision integrated circuits. This new device provides an accurate, stable reference voltage even in noisy and power-efficient environments such as those found in embedded and small form factor applications.The ZXRE330ESA-7 is the perfect choice for precision embedded applications such as miniature embedded systems and portable measurement systems needing high-accuracy, low power and reliable performance. With its advanced features and low supply current, it can operate from a single supply voltage of up to 6 Volts. This makes it well suited for applications requiring small form factor and low power consumption, such as process control, test and measurement and portable medical devices.The ZXRE330ESA-7 has a major advantage over other, similar voltage references on the market, which require an NPN device for proper reference voltages. With the ZXRE330ESA-7, there is no need for such a device, making it suitable for very low voltage applications and has dramatically reduced the operating current of the device. This makes the device highly optimized and ideal for embedded applications which require an ultra-low power solution.The ZXRE330ESA-7\'s design employs a voltage regulator, an analog-to-digital converter and a precision voltage reference. This functionally-rich voltage reference consists of two parts, a control block and a reference block. The controlling block consists of two parts, a reference controller and a comparator. The reference controller is the primary component which determines the output voltage of the device by regulating current through the reference block by using hysteretic control loops. Provisions are also made for a resistor divider feedback from the output of the device to the reference controller which can be used to adjust the output voltage up or down.The reference block consists of a network of transistors and diodes, which are used to convert the varying current into a stable external reference voltage output. This external reference voltage is then compared to the reference voltage of the voltage regulator to produce an accurate and stable reference voltage. This reference voltage is then fed to the comparator which is used to stop the current from the reference block when a minimum reference voltage is detected. This prevents the device from becoming overloaded or operating at a voltage which exceeds its operating range.The ZXRE330ESA-7 provides superior accuracy, low power consumption and excellent temperature stability. It is designed to replace NPN based voltage references and operates with a single supply voltage up to 6.0V. Making this powerful and effective device the most suitable choice for embedded applications and portable medical products. Its advanced features, low power design and excellent performance make the ZXRE330ESA-7 an attractive option for use in a wide range of applications.

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