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Part Number: MCP4012
Description: The MCP4011/2/3/4 devices are volatile, 6-bit Digital Potentiometers that can be configured as either ...
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MCP4012
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General Description
MCP4012 General Description
The MCP4011/2/3/4 devices are volatile, 6-bit Digital Potentiometers that can be configured as either a potentiometer or rheostat. The wiper setting is controlled through a simple Up/Down (U/D) serial interface.
MCP4012 Maximum Ratings
Absolute Maximum Ratings †
VDD................................................................................ 6.5V
CS and U/D inputs w.r.t VSS........................... -0.3V to 12.5V
A,B and W terminals w.r.t VSS................ -0.3V to VDD + 0.3V
Current at Input Pins ................................................±10 mA
Current at Supply Pins ..............................................±10 mA
Current at Potentiometer Pins ..................................±2.5 mA
Storage temperature .................................-65°C to +150°C
Ambient temp. with power applied ............-55°C to +125°C
ESD protection on all pins ........... 4 kV (HBM), 400V (MM)
Maximum Junction Temperature (TJ) . .........................+150°C
† Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied.Exposure to maximum rating conditions for extended periods may affect device reliability.
MCP4012 Features
` Volatile Digital Potentiometer in SOT-23, SOIC, MSOP and DFN packages
` 64 Taps: 63 Resistors with Taps to terminal A and terminal B
` Simple Up/Down (U/D) Protocol
` Power-on Recall of Default Wiper Setting
- Custom POR wiper settings available (contact factory)
` Resistance Values: 2.1 k, 5 k, 10 k or 50 k
` Low Tempco:
- Absolute (Rheostat): 50 ppm (0°C to 70°C typ.)
- Ratiometric (Potentiometer): 10 ppm (typ.)
` Low Wiper Resistance: 75 (typ.)
` High-Voltage Tolerant Digital Inputs: Up to 12.5V
` Low-Power Operation: 1 A Max Static Current
` Wide Operating Voltage Range:
- 1.8V to 5.5V - Device Operation
- 2.7V to 5.5V - Resistor Characteristics Specified
` Extended Temperature Range: -40°C to +125°C
` 64 Taps: 63 Resistors with Taps to terminal A and terminal B
` Simple Up/Down (U/D) Protocol
` Power-on Recall of Default Wiper Setting
- Custom POR wiper settings available (contact factory)
` Resistance Values: 2.1 k, 5 k, 10 k or 50 k
` Low Tempco:
- Absolute (Rheostat): 50 ppm (0°C to 70°C typ.)
- Ratiometric (Potentiometer): 10 ppm (typ.)
` Low Wiper Resistance: 75 (typ.)
` High-Voltage Tolerant Digital Inputs: Up to 12.5V
` Low-Power Operation: 1 A Max Static Current
` Wide Operating Voltage Range:
- 1.8V to 5.5V - Device Operation
- 2.7V to 5.5V - Resistor Characteristics Specified
` Extended Temperature Range: -40°C to +125°C
MCP4012 Typical Application
· Power Supply Trim and Calibration
· Mechanical Potentiometer Replacement in New Designs
· Instrumentation, Offset and Gain Adjust
MCP4012 Connection Diagram
MCP4012
PDF/DataSheet Download
- Datasheet: MCP4012
- File Size: 2633648 KB
- Manufacturer: MICROCHIP
- Click here to Download
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