Allicdata Part #: | AD780AR-ND |
Manufacturer Part#: |
AD780AR |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Analog Devices Inc. |
Short Description: | IC VREF SERIES/SHUNT PROG 8SOIC |
More Detail: | Series, Shunt Voltage Reference IC ±0.2%, ±0.17% ... |
DataSheet: | AD780AR Datasheet/PDF |
Quantity: | 1000 |
Specifications
Series: | -- |
Packaging: | Tube |
Part Status: | Obsolete |
Reference Type: | Series, Shunt |
Output Type: | Programmable |
Voltage - Output (Min/Fixed): | ±2.5V, ±3V |
Current - Output: | 10mA |
Tolerance: | ±0.2%, ±0.17% |
Temperature Coefficient: | 7ppm/°C |
Noise - 0.1Hz to 10Hz: | 4µVp-p |
Noise - 10Hz to 10kHz: | -- |
Voltage - Input: | 4 V ~ 36 V |
Current - Supply: | 1mA |
Current - Cathode: | 1mA |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | AD780 |
Description
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Introduction to AD780AR Voltage Reference
The AD780AR is a programmable voltage reference device, which belongs to the “PMIC - Voltage Reference” category. It features high precision, low power operation, supply range of 2.7V to 6V, and programmability. It offers a wide range of programmable voltage reference options, ranging from 0.18V to 5.8V, with a precision of ±0.01% across the supply voltage and temperature. This makes it suitable for high accuracy applications such as cellular base stations, instrumentation and sensor systems, precision laser diode control systems, and high accuracy monitoring systems. The AD780AR also features a wide range of support functions such as over-temperature protection, over-voltage protection, under-voltage protection, and thermal shutdown.Features
The AD780AR includes several features that make it a valuable addition to precision systems. It features a 150ppm/°C temperature coefficient and an initial accuracy of ±0.01%. The AD780AR is also programmable with a digital control line that supports up to 9 bits of resolution, giving it a total range of 0.5V to 5.25V. This wide range of resolution and programmability makes the AD780AR suitable for a range of different applications. The device is also designed to dissipate low power and operate in low-noise environments, making it well suited for sensitive systems.Application Fields and Working Principl
Due to the excellent programmability, accuracy and low power operation, the AD780AR is suitable for a wide range of applications. It is commonly used in high accuracy systems, such as cellular base stations, instrumentation and sensor systems, precision laser diode control systems, and high accuracy monitoring systems. The AD780AR works by outputting a reference voltage that is proportional to a voltage divider that is set by a programmable resistor. It can be operated with a single supply voltage, or with a dual supply voltage, where there are two independent supplies connected to the VREF pin. The output voltage is determined by the resistor ratio and the supply voltage, and can be programmed by the digital control line. The digital control line is used to program the voltage divider, and allows the output voltage to be trimmed in order to achieve the desired precision. The AD780AR can be operated in either single-ended or differential configurations. In single-ended configuration, the reference voltage is sourced from a resistor connected to the VREF pin. In differential configuration, the reference voltage is sourced from two resistors connected to the VREF pins, one connected to the positive supply, and the other connected to the negative supply. This configuration provides greater precision than single-ended configuration, and is therefore more suitable for high accuracy applications.Conclusion
The AD780AR is a programmable voltage reference device that provides high accuracy, low power operation, and programmability. It is suitable for a wide range of applications, such as cellular base stations, instrumentation and sensor systems, precision laser diode control systems, and high accuracy monitoring systems. The AD780AR can be operated in either single-ended or differential configurations, and provides excellent performance in both configurations.The specific data is subject to PDF, and the above content is for reference
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