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8-Bit Single Digital POT with NVM and I2C™
Overview
- Resolution (Number of Taps):257
- Resistance (ohms) k:5, 10, 50, 100
- Single Resistor Network
- Potentiometer or Rheostat configuration options
- 8-bit: 256 Resistors (129 Steps)
- 5kΩ
- 10kΩ
- 50kΩ
- 100kΩ
- Zero-scale to Full-scale Wiper Operation
- Low Wiper Resistance – 75Ω typical
- Absolute (Rheostat) – 50 ppm typical (0°-70°C)
- Ratiometric (Potentiometer) – 15 ppm typical
- 100 kHz
- 400 kHz
- 3.4 MHz
- Brown-out Reset Protection – 1.5V typical
- Serial Interface Inactive Current – 2.5 uA typical
- High-Voltage Tolerant Digital Inputs Up to 12.5V
- 2.7V to 5.5V - Device Characteristics Specified
- 1.8V to 5.5V - Device Operation
- Wide Bandwidth (-3 dB) Operation – 2 MHz typical for 5.0Ω Device
- Extended Temperature Range (-40°C to +125°C)
- AEC-Q100 Grade 1 quarlified
The MCP456X devices are single channel, non-volatile, 8-bit (257 wiper steps) digital potentiometers with EEPROM and an I2C compatible interface. The MCP456X family is available with end-to-end resistor values of 5KΩ, 10KΩ, 50kΩ and 100KΩ. These devices offer WiperLock™ Technology which allows the user unlimited reprogramming and locking of the wiper setting. It is useful for equipment that requires factory trimming or recalibration. The MCP456X devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count.
We welcome questions, comments and recommendations for improvements to this page - please contact us at: Digipotwebrequests@microchip.com if you have any; please mention the part number in the email subject header.
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Tools And Software
Demo & Evaluation Boards
| Tools |
|---|
 This blank Printed Circuit Board allows 8- and 10-pin devices in the following package types to be installed: MSOP-10, MSOP-8 and DIP-10.This board is generic so that any of the listed devices may be installed. Refer to the device data sheet, however, for suitability of device evaluation.As well as the device, other desired passive components (resistors and capacitors) and connection posts may be installed. This allows the board to evaluate a minimum configuration for the device. |
| The MCP1663 USB programmable power supply reference design is intended to highlight the versatility of the MCP1663 boost regulator configured in a SEPIC topology while also demonstrating inter-functionality between a broad range of analog and digital Microchip devices in a programmable power supply application example.
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| The MCP4xxx Digital Potentiometer Daughter Board allows the system designer to quickly evaluate the operation of Microchip Technology’s MCP42XXX and MCP402X Digital Potentiometers.
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| This is a blank PCB that allows the operation of Microchip Technology’s 8-pin devices to be easily evaluated.
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["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files:
