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8-Bit Single, +36V (±18V) Digital POT w/SPI
Overview
- Resolution (Number of Taps):255
- Resistance (ohms) k:5, 10, 50, 100
- +36V Terminal Voltage Range (DGND = V–)
- ±18V Terminal Voltage Range(DGND = V– + 18V)
- Analog: 10V to 36V (specified performance)
- Digital: 2.7V to 5.5V
- 8-bit: 255 Resistors (256 Taps)
- 5kΩ
- 10kΩ
- 50kΩ
- 100kΩ
- 25 mA (for 5kΩ)
- 12.5 mA (for 10 kΩ)
- 6.5 mA (for 50 kΩ and 100 kΩ)
- Zero-Scale to Full-Scale Wiper Operation
- Low Wiper Resistance: 75Ω (Typical)
- Absolute (Rheostat): 50 ppm Typical(0°C to +70°C)
- Ratiometric (Potentiometer): 15 ppm Typical
- SPI Serial Interface (10 MHz, Modes 0,0 and 1,1)
- Shutdown Pin (SHDN)
- Terminal Control (TCON) Register
- Write Latch (WLAT) Pin to control update of Volatile Wiper Register (such as Zero Crossing)
- Digital Supply (VL/DGND); 1.5V Typical
- Analog Supply (V+ / V-); 3.5V Typical
- Serial Interface Inactive Current (3 µA Typical)
- 500 kHz Typical Bandwidth (-3 dB) Operation(5.0 kΩ Device)
- Extended Temperature Range (-40°C to +125°C)
- Package Types: TSSOP-14 and QFN-20 (5x5)
MCP41HV51 is a single-channel, high voltage digital potentiometer (Digipot) family that supports 10V ~36V or +/-5V to +/-18V power rails. It features 8-bit resolution with SPI interface. This family is available in TSSOP-14 and QFN-20 (5x5) packages and has 5kΩ, 10 kΩ, 50 kΩ, and 100 kΩ end-to-end resistance(RAB) options . All parts are guaranteed to operate over –40°C to +125°C extended temperature range.
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
3rd Party Tools
| Tools |
|---|
 DIGI POT 6 Click is a compact add-on board used as a digitally controlled potentiometer. This board features the MCP41HV51, 8-bit dual power rails digital potentiometer with SPI serial interface and volatile memory from Microchip. The MCP41HV51 has a wide operating voltage range, analog from 10 to 36V and digital from 2.7 to 5.5V or implemented as dual-rail (±18V). Its 8-bit configuration supports 255 resistors and 256 steps and provides RAB resistance options of 100 kΩ. It also has a Write Latch function, which will inhibit the volatile wiper register from being updated with the received data. This Click board™ is suitable for precision calibration of set point thresholds, adjustable power supplies, adjustable gain amplifiers and offset trimming, and more.
DIGI POT 6 Click is supported by a mikroSDK compliant library, which includes functions that simplify software development. This Click board™ comes as a fully tested product, ready to be used on a system equipped with the mikroBUS™ socket. |
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referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files:
