Si8932B-AS

Automotive Isolated Voltage Sensor

Si8932B-AS devices are galvanically isolated analog amplifiers. The single-ended input has a 0 to 2.25 volt specified input range which is ideal for measuring high voltage through a resistor divider or for any place where a sensor must be isolated from the control system. The output is a single-ended analog signal amplified to a peak 2.5V full scale output. The very low signal delay allows control systems to respond quickly to fault conditions or changes in load. Low offset and gain drift ensure that accuracy is maintained over the entire operating temperature range of -40 to +125˚C. Exceptionally high common mode transient immunity results in accurate measurements even in the presence of high power switching like would be found in a motor drive system or inverter. It supports 2.5 kV withstand voltage per UL1577 in a compact narrow-body SOIC-8 package. This technology enables higher performance, reduced variation with temperature and age, tighter part-to-part matching and longer lifetimes compared to other isolation technologies.

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Specifications

Output ModeSingle-Ended Analog

InputSingle Ended

Specified Input Range0 - 2.25 V

ClockNA

Isolation Rating (kVrms)2.5

Package TypeNB SOIC8

Package size4.9 x 3.9

Temperature Range Min (°C)-40

Temperature Range Max (°C)125

CMTI75

OPNSi8932B-AS

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Evaluation Kits

si8932iso-kit

Si8932 Isolated Amplifier Evaluation Kit

The SI8932ISO-KIT evaluation board allows for quick connection to a voltage signal for check out of the functionality of the Si8932 isolated amplifier. The evaluation board is populated with the Si8932D-IS4 device which allows for up to 2.5V voltages to be measured directly or much higher voltages with a voltage divider. The board features test points for monitoring the inputs, outputs, and supplies for the device. Surface mount component pads are available for input or output filtering circuits. The Si8932ISO-KIT evaluation board demonstrates the functionality, the accuracy, the stability, and the low signal delay of the Si8932 amplifier.   

MSRP $75.00

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