Memory Type:	Volatile
Base Part Number:	DS1802
Supplier Device Package:	20-PDIP
Package / Case:	20-DIP (0.300", 7.62mm)
Operating Temperature:	-40°C ~ 85°C
Resistance - Wiper (Ohms) (Typ):	400
Temperature Coefficient (Typ):	750 ppm/°C
Tolerance:	±20%
Features:	Cascade Pin, Mute, Zero-Cross Sense
Voltage - Supply:	2.7 V ~ 5.5 V
Series:	--
Interface:	Pushbutton, Serial
Resistance (Ohms):	45k
Number of Taps:	65
Number of Circuits:	2
Configuration:	Potentiometer
Taper:	Logarithmic
Part Status:	Last Time Buy
Packaging:	Tube

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DS1802+ Data Acquisition

Digital Potentiometers

The DS1802+ is a digital potentiometer built to accurately measure and monitor changing voltages in both high and low-power applications.This type of device is commonly used in many consumer and industrial products, such as audio equipment, medical equipment, and automotive applications.

The DS1802+ is a single-ended 8-bit digital potentiometer. It features a user-programmable wiper resistance of up to 256 ohms and an optional push pull output driver with programmable gain. The resolution of the device is 0.5%. It also features a non-volatile memory in which the user can store settings. In order to simplify the operation, an EEPROM is built in to the device.

The device has two operating modes, programmable wiper resistance and fully programmable wiper resistance. In the first mode, the user has the ability to define the wiper resistance. In the second mode, the wiper resistance is set in the EEPROM and then applied to the device.

The DS1802+ is powered by a low voltage range from 1.8 VDC to 5.5 VDC. The device also offers current protection up to ±1 µA. The DS1802+ is designed to be extremely easy to use and features a wide variety of features and options to enhance the user experience.

Working Principle

The working principle of the DS1802+ is simple. The device uses an 8-bit DAC (digital-to-analog converter) to accurately measure and monitor the output voltage. The device uses an EEPROM to store the user-defined resistance settings. This allows the user to easily set the device to the desired value. The device also utilizes a “snowbyte” which is a 16-bit data structure that is used to store the current state of the device. This data structure is used to indicate the direction and magnitude of the output voltage.

The device uses a non-linear feedback control system, which is based on the PID (proportional integral derivative) algorithm. This algorithm monitors the output voltage and modifies the resistance accordingly. As the output voltage changes, the resistance setting is adjusted.

The device also features an optional push-pull output driver which can be used to generate higher current outputs, or to convert the output signal to a larger voltage range. The device also features a number of protection features, such as over-voltage and reverse-voltage protection. The device also offers temperature sensing capabilities and can be used to monitor and protect devices from thermal overload.

Application Field

The DS1802+ is commonly used in many different applications. It is often used in audio equipment, medical equipment, automotive applications, and even in electronic measurement systems. The device is highly accurate and reliable, and can be used to accurately measure and monitor voltage changes in both low and high-power applications.

The DS1802+ is also used in analog-to-digital converters, where it can be used to accurately measure and convert the analog signal to a digital format. In addition to this, the device can be used to create multiple-channel configurations and to generate a precise voltage.

The device is also often used in three-phase power supplies, where it is used to monitor and regulate power levels. The device can also be used to create precise angular measurements, as well as precise temperature measurements.

Conclusion

The DS1802+ is a reliable and precise digital potentiometer. It can be used in many different applications and offers a variety of features and options. The device is easy to use and can accurately measure and monitor voltage changes in both high and low-power applications. It is also used in analog-to-digital converters, three-phase power supplies, and temperature measurements.

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