Y1747V0191AQ9U

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Resistor Networks, Arrays

Resistor networks, arrays and other related components form an important part of electrical engineering. Those connected in series and parallel can provide various combinations of impedance values, voltage dividers, current limiting, and power control. The Y1747V0191AQ9U is a high-speed programmable resistor array designed for applications such as signal conditioning and filtering. It consists of eight binary-weighted resistor elements.

Working Principle

The Y1747V0191AQ9U has two reference pins – REF+ and REF-. When a digital signal is applied to the eight input pins, the output resistance is shifted according to a binary sequence from the lowest resistance to the highest. The Wiper voltage is the difference between the REF+ voltage and the REF- voltage. The difference in voltage determines the resistance value.

Application Field

The Y1747V0191AQ9U can be used for many applications, such as signal conditioning, filtering, impedance matching, and power regulation. Examples include audio systems where filtering is needed to reduce noise and interference, and in applications such as power supplies where the correct current output can be achieved through its programmability.

Conclusion

The Y1747V0191AQ9U is a versatile programmable resistor array suitable for a wide range of applications. It consists of eight digital inputs and two reference pins to change the output resistance according to a binary sequence from the lowest to the highest. It is an ideal solution for audio systems, power supplies, and other programs where accurate resistance adjustments are critical.

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