X9317TM8IZ-2.7

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The X9317TM8IZ-2.7 is an IC digital potentiometer from the data acquisition family. It is designed for single-ended, digital potentiometric applications, interfacing with digital logic. This IC is a fixed-resistor network with variable tap points, configured as an input and two output terminals.

The X9317TM8IZ-2.7 provides a 256-position, dual-slope curve over a range of 0 to 256 wiper counts. These wiper counts are programmable and measured with a 10 V to 40 V reference voltage. Typical applications involve the adjustment of amplifier and resolver gains, DC motor speed, current, and voltage control.

In order to operate the X9317TM8IZ-2.7, a logic signal must be applied to the chip\'s select pin (CS). This selects the output buffer for control. While the device is in the idle state, the output buffer is set to the ground (GND) level. When a logic signal appears at the CS pin, the output buffer is activated and the X9317TM8IZ-2.7 begins operation.

The X9317TM8IZ-2.7 utilizes a variety of control algorithms to detect the desired wiper count, represented by the binary output from the shift register. The user-programmed wiper count is then relayed to the output pins, reflecting the current wiper count, which then becomes the new wiper count as the device starts up again.

The device also has a self-protection feature to prevent abnormal operations, such as voltage and current overloads. Voltage and current overloads are detected by an internal current-mirror circuit and the device is disabled until the inputs are removed.

The X9317TM8IZ-2.7 has an 8-bit high-performance analog-to-digital converter (ADC) and a temperature range of -40 degrees C to +125 degrees C. This IC is available in various types, from 20- and 24-pin packages with multiple functions.

In conclusion, the X9317TM8IZ-2.7 digital potentiometer is a low-voltage, single-ended, digital potentiometric IC designed for applications requiring control of two output levels. It is capable of providing a 256-position, dual-slope curve over a range of 0 to 256 wiper counts, allowing precise control of motor speed, current, and voltage. As such, this device is an ideal choice for applications such as adjustable amplifier and resolver gains and other control applications.

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