ISL84517IB

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ISL84517IB is an ultra-low power, low-voltage analog multiplexer/multiplexer and demultiplexer designed for interface applications. It is part of the ISL84517I series of analog switches and demultiplexers. With a low voltage operation range from 0.7V to 1.5V, the ISL84517IB is ideal for a wide range of battery-powered and low-voltage systems which require low power consumption. The device is available in 6-pin, 8-pin and 12-pin packages.

The ISL84517IB consists of one or two independently controlled analog multiplexer/demultiplexer channels. Each channel has separate on/off control, allowing for a wide range of channel combinations. The control inputs are internally pulled-down, allowing the user to keep unused control pins at logic low. The ISL84517IB has a high input impedance of 4MΩ, ensuring low power consumption. Additionally, the low voltage operation range of 0.7V to 1.5V allows it to be used in portable and low-voltage applications.

The ISL84517IB is also designed to provide a high-level of isolation between the control and signal paths. It comes with a 50nA (Typ) Break Before Make option and an isolation voltage of 3V to ensure there is no connection between the input and output when switching between the channels. Moreover, the device has an ultra-low leakage current of 50pA (Typ) so as to minimize power consumption.

The ISL84517IB is used primarily in interface applications, such as data acquisition, battery-powered systems, and industrial instrumentation. In data acquisition applications, the device can be used to switch between different input voltage levels, allowing for a wide range of data to be sampled. In battery-powered systems, such as medical devices and portables, the ISL84517IB can be used to switch between different battery configurations, enabling different voltage levels to be achieved. Lastly, in industrial instrumentation applications, the ISL84517IB can be used to select different input signals, enabling multiple sensors and instruments to be connected to the same data acquisition system.

The ISL84517IB also works on the principle of current sensing in order to sense the current flowing through it. The device is designed with a low current sense impedance, which allows it to sense the current flowing through the inputs and outputs. This allows the device to maintain a high level of isolation while still accurately sensing the current. Additionally, the ISL84517IB comes with a built-in latch, which can prevent unintentional switching when the device is in an unstable switch state.

The ISL84517IB is a useful device for a variety of interface applications, such as data acquisition, battery-powered systems, and industrial instrumentation. It has an ultra-low power consumption, low voltage operation range, high input impedance, and a built-in latch. Additionally, the device has a high level of isolation, allowing for a wide range of applications.

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