MCP4021

The MCP402X devices are non-volatile, 6-bit (64 wiper steps) digital potentiometers that are programmed/reprogrammed through a simple up/down serial interface. The MCP402X devices offer a variety of configurations simplifying design while minimizing cost, package size and pin count. The MCP4021 device offers a voltage divider (potentiometer), with all terminals available on pins. The MCP4022 is a true rheostat, with both nodes of the resistor available on pins. The MCP4023 device offers a voltage divider (potentiometer), with one terminal connected to ground. The MCP4024 device is a rheostat mode device, with one terminal of the resistor connected to ground. The devices offer WiperLock™ Technology which allows the user unlimited reprogramming and locking of the wiper setting. This is useful for equipment that requires factory trimming or recalibration. The MCP402x family of devices are available with resistor values of 2.1kΩ, 5kΩ, 10kΩ and 50kΩ. These devices operate from a single 2.7-5.5V supply and draw less than 1 µA while operating in the static state.

产品特性
  • NonVolatile Digital Potentiometer in SOT-23 packages
  • 64 Taps: 63 Resistors with Taps to VSS and VDD
  • Simple Up/Down (U/D) Protocol
  • Automatic Recall of Potentiometer Wiper Settings
  • Resistance Values: 2.1kΩ, 5kΩ, 10kΩ, 50kΩ
  • Low Tempco: Absolute (Rheostat): <100 ppm (typ.) Ratiometric (Potentiometer): <10 ppm (typ.)
  • Absolute (Rheostat): <100 ppm (typ.)
  • Ratiometric (Potentiometer): <10 ppm (typ.)
  • Low Wiper Resistance: 70Ω (typ.)
  • WiperLock™ Technology to Secure the EEPROM
  • Low-Power Operation: 1µA Max Static Current
  • Wide Operating Voltage: 2.7V to 5.5V
  • Extended Temperature Range: -40°C to +125°C
技术参数
Parameter Name Value Value
Temp. Range (°C) -40 to +125 -40 to +125
Volatile / Non Volatile Non-volatile Non-volatile
Number of Taps 64 64
Resistance (ohms) K 2.1, 5, 10, 50 2.1, 5, 10, 50
# per Package 1 1
INL (Max) 0.5 0.5
DNL (Max) 0.5 0.5
Interface Up / Down Protocol Up / Down Protocol
文档资料
Low-Cost NV Digital POT w/WiperLock TechnologyData Sheets12/19/20063304KB
AN1080 - Understanding Digital Potentiometers Resistor VariationsAppNote07/27/2009565KB
AN1316 - Using Digital Potentiometers for Programmable Amplifier GainAppNote04/14/2010441KB
AN219 - Comparing Digital Potentiometers to Mechanical PotentiometersAppNote11/20/2000133KB
AN691 - Optimizing the Digital Potentiometer in Precision CircuitsAppNote05/08/2001240KB
AN692 - Using a Digital Potentiometer to Optimize a Precision Single Supply Photo DetectAppNote02/23/2001253KB
AN737 - Using Digital Potentiometers to Design Low Pass Adjustable FiltersAppNote02/24/2004277KB
Analog & Interface Guide (Volume 2)Brochures10/11/20051067KB
Automotive Recommended Product Selector GuideBrochures09/16/20147598KB
Quick Guide to Microchip Development ToolsBrochures10/15/201411223KB
Signal Chain Design GuideBrochures11/10/20123229KB
MCP402X Product OverviewSell Sheets06/13/2006110KB
Digital Potentiometer Design GuideDesign Guides01/03/2011706KB
MCP402X Non-Volatile Digital Potentiometer Evaluation Board FirmwareFirmware Drivers01/13/200678KB
Analog & Interface Product Selector GuideProduct Line Card03/21/20164116KB
8-Pin SOIC/MSOP/TSSOP/DIP Evaluation Board User's GuideUser Guides01/24/20061367KB
MCP401x/2x Digital Potentiometer Evaluation Board User's GuideUser Guides01/13/2006725KB
订购型号
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
MCP4021-103E/MS8MSOP-40C to +125CTUBE0.810.670.610.590.58
MCP4021-103E/SN8SOIC-40C to +125CTUBE0.780.650.590.570.56
MCP4021-202E/MS8MSOP-40C to +125CTUBE0.810.670.610.590.58
MCP4021-202E/SN8SOIC-40C to +125CTUBE0.780.650.590.570.56
MCP4021-502E/MS8MSOP-40C to +125CTUBE0.810.670.610.590.58
MCP4021-502E/SN8SOIC-40C to +125CTUBE0.780.650.590.570.56
MCP4021-503E/MS8MSOP-40C to +125CTUBE0.810.670.610.590.58
MCP4021-503E/SN8SOIC-40C to +125CTUBE0.780.650.590.570.56
MCP4021T-103E/MC8DFN-40C to +125CT/R0.820.690.620.600.60
MCP4021T-103E/MS8MSOP-40C to +125CT/R0.810.670.610.590.58
MCP4021T-103E/SN8SOIC-40C to +125CT/R0.780.650.590.570.56
MCP4021T-202E/MC8DFN-40C to +125CT/R0.820.690.620.600.60
MCP4021T-202E/MS8MSOP-40C to +125CT/R0.810.670.610.590.58
MCP4021T-202E/SN8SOIC-40C to +125CT/R0.780.650.590.570.56
MCP4021T-502E/MC8DFN-40C to +125CT/R0.820.690.620.600.60
MCP4021T-502E/MS8MSOP-40C to +125CT/R0.810.670.610.590.58
MCP4021T-502E/SN8SOIC-40C to +125CT/R0.780.650.590.570.56
MCP4021T-503E/MC8DFN-40C to +125CT/R0.820.690.620.600.60
MCP4021T-503E/MS8MSOP-40C to +125CT/R0.810.670.610.590.58
MCP4021T-503E/SN8SOIC-40C to +125CT/R0.780.650.590.570.56
相关开发工具
器件无铅环保信息
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
MCP4021-103E/SN0.0780000.1600008SOIC.150In(3.90mm)Matte Tine3
MCP4021-502E/SN0.0780000.1600008SOIC.150In(3.90mm)Matte Tine3
MCP4021-202E/SN0.0780000.1600008SOIC.150In(3.90mm)Matte Tine3
MCP4021-503E/SN0.0780000.1600008SOIC.150In(3.90mm)Matte Tine3
MCP4021T-103E/SN0.0780000.2303038SOIC.150In(3.90mm)Matte Tine3
MCP4021T-202E/SN0.0780000.2303038SOIC.150In(3.90mm)Matte Tine3
MCP4021T-503E/SN0.0780000.2303038SOIC.150In(3.90mm)Matte Tine3
MCP4021T-502E/SN0.0780000.2303038SOIC.150In(3.90mm)Matte Tine3
MCP4021T-103E/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP4021-502E/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP4021-503E/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP4021-202E/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP4021-103E/MS0.0256000.0700008MSOP3x3mmMatte Tine3
MCP4021T-503E/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP4021T-202E/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP4021T-502E/MS0.0256000.2156008MSOP3x3mmMatte Tine3
MCP4021-202E/MSVAO0.0256000.0700008MSOP3x3mmMatte Tine3
MCP4021T-202E/MSVAO0.0256000.2156008MSOP3x3mmMatte Tine3
MCP4021T-503E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP4021T-103E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP4021T-502E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
MCP4021T-202E/MC0.0170000.1306068DFN2x3x0.9mmMatte Tine3
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Analog & Interface Guide (Volume 2) MCP23S08
Automotive Recommended Product Selector Guide MCP23S09
Quick Guide to Microchip Development Tools ENC28J60
Signal Chain Design Guide MCP3901
MCP402X Product Overview MCP4024
Digital Potentiometer Design Guide SOIC8EV
MCP402X Non-Volatile Digital Potentiometer Evaluation Board Firmware MCP402XEV
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MCP401x/2x Digital Potentiometer Evaluation Board User's Guide MCP402XEV
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