Digital Potentiometers

Digital Potentiometers

Digital potentiometers is potentiometers that control with signal SPI
Thay can be used in place of standard mechanical pots. And control
with microcontroller

Example Application

Programmable, inverting gain amplifier

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MCP41XXX/42XXX

Features

• 256 taps for each potentiometer
• Potentiometer values for 10 kΩ, 50 kΩ and 100 kΩ
• Single and dual versions
• SPI™ serial interface (mode 0,0 and 1,1)
• ±1 LSB max INL & DNL
• Low power CMOS technology
• 1 μA maximum supply current in static operation
• Multiple devices can be daisy-chained together (MCP42XXX only)
• Shutdown feature open circuits of all resistors
• Hardware shutdown pin available on MCP42XXX only
• Single supply operation (2.7V - 5.5V)
• Industrial temperature range: -40°C to +85°C
• Extended temperature range: -40°C to +125°C

Datasheet