DS1804-100

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DS1804-100 digital potentiometer is a widely used digital potentiometer that is built for data acquisition applications. It offers a wide range of functions, including switching on and off potentiometer sections, adding new sections to existing configurations, and setting an arbitrary resistance range. This device is especially useful for adjusting complex electronic circuits with high accuracy.

The DS1804-100 is a three-terminal, non-volatile variable resistor made of polysilicon technology. It comes in a 16-pin SOIC or a dual in-line package (DIP) and is capable of handling a maximum of 20V DC. The maximum resistance of this device is 100kΩ, allowing for a wide range of applications. The device has a programmable resistor element and can be used to control the gain of amplifiers, offset the DC voltage at the input of a filter, or adjust the audio frequency response of a system. Additionally, this digital potentiometer has a low power consumption of 3.5V, making it suitable for battery powered devices.

The working principle behind the DS1804-100 digital potentiometer is fairly simple. An external resistor is connected between the adjustment input and the wiper, which is responsible for adjusting the tap position. This tap position can then be adjusted with the help of a resistance value from the internal resistor network, reformulated as a digital word. This digital word can be read back by the user through the SPI interface.

The range of applications for this device is quite broad, given its flexibility and wide range of resistances. The device can be used in applications ranging from automotive systems, audio systems, industrial motor control systems, receivers, power amplifiers, and other complex circuits. It can also be used as an adjustable resistive element in a variety of consumer electronics products.

The DS1804-100 is a reliable, flexible, and accurate digital potentiometer that can be used in a range of data acquisition applications. Its wide range of resistances, wide range of functions, and low power consumption make it ideal for adjusting complex electronic circuits with high accuracy. Additionally, its robust design ensures that it can operate in a variety of conditions and for long periods of time.

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