Skyworks Solutions Inc Differential Isolated Amplifier Single 8-Pin DIP

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RS-artikelnummer:
169-0204
Tillv. art.nr:
SI8920BC-IP
Tillverkare / varumärke:
Skyworks Solutions Inc
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Brand

Skyworks Solutions Inc

Power Supply Type

Single

Product Type

Isolated Amplifier

Minimum Supply Voltage

3V

Maximum Supply Voltage

5.5V

Number of Channels

2

Supply Current

5.5mA

Mount Type

Through Hole

Package Type

DIP

Pin Count

8

Minimum Operating Temperature

-40°C

GBP - Gain Bandwidth Product

750kHz

Width

6.6 mm

Series

Si8920

Standards/Approvals

VDE0884 Part 10, CQC GB4943.1, UL1577, CSA Notice 5A

Height

3.44mm

Length

9.9mm

Output Type

Differential

Automotive Standard

AEC-Q100

Maximum Operating Temperature

125°C

COO (ursprungsland):
TH

Si8920 Isolated Amplifier for Current Shunt Measurement


The Si8920 is a galvanically isolated analogue amplifier. Their low voltage and differential input is Ideal for measuring voltage across a current shunt resistor or for any place where a sensor must be isolated from the control system.

Output is a differential analogue signal amplified by either 8.1x or 16.2x. 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.

High common mode transient immunity means that the Si8920 will deliver accurate measurements even in the presence of high power switching like would be found in a motor drive system or inverter.

To help evaluate the Si8920 there is a dedicated development kit available - SI8920ISO-KIT (RS N/A). It is populated with the Si8920BC-IP and enables quick connection to a shunt resistor.

The Si8920 is available in 4 variants:

Si8920AC-IP (RS 901-3967) with an input range of ±100 mV in a Gull-Wing DIP-8 package

Si8920BC-IP (RS 901-3976) with an input range of ±200 mV in a Gull-Wing DIP-8 package

Si8920AD-IS (RS 901-3979) with an input range of ±100 mV in a SOIC-16 package

Si8920BD-IS (RS 901-3973) with an input range of ±200 mV in a SOIC-16 package

Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low Value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.

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