DS1804-100+

DS1804-100+ is a nonvolatile digital trimmer potentiometer that has 100 positions. The device provides an ideal method for low-cost trimming applications using a CPU or manual control input with minimal external circuitry. The wiper position of the DS1804 can be stored in EEPROM memory on demand. The device’s wiper position is manipulated by a three-terminal port that provides an increment/decrement counter controlled interface. This port consists of the control inputs active-low CS, active-low INC, and U/ active-low D. Additionally, the DS1804 will operate from 3V or 5V supplies and is ideal for portable application requirements.

• Nonvolatile (NV) on-demand wiper storage
• Up/down, increment-controlled interface
• 100Kohm resistance
• Supply voltage range from +2.7 to 5.5V at TA = -40°C to +85°C
• Supply current is 400µA maximum at VCC = 2.7V to 5.5V, TA = -40°C to +85°C
• Input leakage current is 1µA maximum at VCC = 2.7V to 5.5V, TA = -40°C to +85°C
• Wiper load time is 500µs typ at VCC = 2.7V to 5.5V, TA = -40°C to +85°C
• Temperature coefficient is 750ppm/°C typ at VCC = 2.7V to 5.5V, TA = -40°C to +85°C
• 8 DIP package
• Temperature range from -40°C to +85°C

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