ShenZhen Hao Qi Core Technology Introduction: AD780ARZ
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AD780 is an ultra-high precision bandgap reference voltage source that can provide 2.5 V or 3.0 V output from 4.0 V to 36 V input. It has low initial error, low temperature drift and low output noise characteristics, and can drive any size capacitor, so AD780 is suitable for enhancing the performance of high-resolution analog-to-digital converters (ADC) and digital-to-analog converters (DAC). And any general precision reference voltage source application. The unique low-margin design helps to provide a 3.0 V output with a 5.0 V ± 10% input, thereby increasing the dynamic range of the ADC by 20%, and its performance is better than the existing 2.5 V reference voltage source. AD780 can be used to provide a source current or sink current of up to 10 mA, and can work in series or shunt mode. It can provide positive or negative output voltage without external components, so it is suitable for most high-performance reference voltage source applications. Unlike some competing products, AD780 does not have "potentially unstable areas." When a 1 µF bypass capacitor is used on the power supply side, the device can remain stable under load conditions. The output voltage provided by the pins on the AD780 varies linearly with temperature, so this part can be configured as a temperature sensor while providing a stable 2.5 V or 3.0 V output. The output voltage provided by the pins on the AD780 varies linearly with temperature, so this part can be configured as a temperature sensor while providing a stable 2.5 V or 3.0 V output. AD780 is available in three grades in PDIP and SOIC packages. The rated operating temperature range of AD780AN, AD780AR, AD780BN, AD780BR, and AD780CR is -40°C to +85°C. feature of product AD780 utilizes 4 V to 36 V input to provide pin programmable 2.5 V or 3.0 V output. The initial accuracy and temperature coefficient are all adjusted by laser, so the error in the entire temperature range is extremely low, and no external components are required. The maximum change of AD780BN from −40°C to +85°C is 0.9 mV. For applications requiring higher precision, an optional fine adjustment connection is also provided. AD780 noise is particularly low, usually 4 mV (peak-to-peak, 0.1 Hz to 10 Hz), and the broadband noise spectral density at high frequencies is usually 100 nV/√Hz. If necessary, two external capacitors can be used to further reduce it. The temperature output pin allows the AD780 to be configured as a temperature sensor while providing a stable output reference voltage.