X9116WM8Z

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The X9116WM8Z is a digital potentiometer which combines the features of a traditional potentiometer with the benefit of digital control. In contrast to a standard potentiometer, the X9116WM8Z does not contain any moving parts, eliminating contact and drift errors, and providing a much more consistent operation. It operates on a single power and ground pin, and has a low noise design.

The X9116WM8Z is designed for use in data acquisition and signal conditioning applications. It allows for control of a signal gain and resistance value via a single digital input which is commonly used for voltage, current and signal measurements. The device uses digital control to provide a high level of accuracy and repeatability when measuring various signals.

The X9116WM8Z is capable of digital acquisition of resistance values ranging from 0 to 65.5K ohms in increments of 40 ohms. The device offers a wide range of input sensitivity and provides a digital control signal with a logic voltage level of 1.5 V/1.8 V. It also has an integrated voltage reference, which provides a stable reference voltage to the device.

The X9116WM8Z has a two-wire serial interface which allows for communication from the device to external circuits. With the two-wire interface, the user can communicate one byte per message and allows for communication of up to eight bytes at a time. This capability allows for user control of the device, allowing for configuration and tuning of the device externally.

The device offers a number of features for low noise performance. It features a low input bias current of 1 pA, and a low output noise of 2 nV Hz¹. It also has a thermal drift of 0.1 µV/ºC, and a wide common mode rejection range of 100 dB. This provides excellent noise performance, which makes it particularly suitable for applications where accurate measurements require low noise.

In addition to its low noise performance, the X9116WM8Z also offers a high level of isolation between the digital and analog components. This provides excellent protection from external signals, and can help reduce interference in sensitive low noise applications. It also features an on-chip temperature compensation circuit which helps maintain accuracy of the device over the operating temperature range.

The X9116WM8Z is a highly capable digital potentiometer device which combines the benefits of a traditional potentiometer design with the benefit of digital control. By combining its low noise performance, highly accurate readings, wide range of input sensitivity and isolation, it is ideal for use in a variety of data acquisition and signal conditioning applications. In addition, its two-wire interface allows for user control and configuration of the device externally, making it a very attractive option for high performance, low noise applications.

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