Microchip Technology MCP40D17, MCP40D18, & MCP40D19 Digital POT ICs
Microchip Technology MCP40D17, MCP40D18, and MCP40D19 Single Digital Potentiometers are are volatile, 7-bit (128 wiper steps) digital POT ICs with an I2C-compatible interface. These devices are offered in 5kΩ, 10kΩ, 50kΩ, and 100kΩ end-to-end resistance values, and are available in miniature 5-lead and 6-lead SC-70 packaging. The MCP40D17, MCP40D18, and MCP40D19 Digital Potentiometers are ideal for use in a variety of applications, including PC servers, amplifier gains control and offset adjustment, sensor calibration, set point or offset trimming, RF amplifier biasing, and more.Features
- Potentiometer or Rheostat configuration options
- 7-bit: resistor network resolution
- 127 resistors (128 steps)
- Zero scale to full-scale wiper operation
- RAB resistances: 5kΩ, 10kΩ, 50kΩ, or 100kΩ
- 100Ω low wiper resistance
- Brown-out reset protection
- Power-on Default Wiper Setting
- Low-power operation
- 2.5μA static current
- Wide operating Voltage range
- 2.7V to 5.5V - device characteristics specified
- 1.8V to 5.5V - device operation
- -3dB wide bandwidth operation
- 2MHz for 5.0kΩ device
- -40°C to +125°C extended the temperature range
- Compact SC70 package
- Lead-free (Pb-free) package
Applications
- PC Servers (I2C Protocol with Command Code)
- Amplifier Gain Control and Offset Adjustment
- Sensor Calibration (Pressure, Temperature, Position, Optical and Chemical)
- Set point or offset trimming
- Cost-sensitive mechanical trim pot replacement
- RF Amplifier Biasing
- LCD Brightness and Contract Adjustment
Block Diagram
Package Options
Publicado: 2010-03-23
| Actualizado: 2025-07-22
