{"product_id":"mcp41010-mcp41050-mcp41100-digital-potentiometer-sop8-spi-5pack","title":"MCP41010 \/ MCP41050 \/ MCP41100 Digital Potentiometer IC — SOP-8, SPI, 10k–10kΩ (5-Pack)","description":"\u003ch2\u003eMCP41010 \/ MCP41050 \/ MCP41100 Digital Potentiometer IC — SOP-8, SPI, 256 Positions (5-Pack)\u003c\/h2\u003e\u003cp\u003eThe MCP41010, MCP41050, and MCP41100 are single-channel SPI-controlled digital potentiometers from Microchip Technology in SOP-8 SMD packages. With 256 wiper positions and end-to-end resistance values of 10kΩ (MCP41010), 50kΩ (MCP41050), and 100kΩ (MCP41100), they provide digitally programmable resistance for gain control, volume adjustment, offset calibration, and sensor biasing in microcontroller-based designs.\u003c\/p\u003e\u003ch3\u003eVariant Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart Number\u003c\/th\u003e\n\u003cth\u003eEnd-to-End Resistance\u003c\/th\u003e\n\u003cth\u003eWiper Resistance\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCP41010\u003c\/td\u003e\n\u003ctd\u003e10kΩ\u003c\/td\u003e\n\u003ctd\u003e52Ω typ.\u003c\/td\u003e\n\u003ctd\u003eLow-impedance circuits, op-amp gain control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCP41050\u003c\/td\u003e\n\u003ctd\u003e50kΩ\u003c\/td\u003e\n\u003ctd\u003e133Ω typ.\u003c\/td\u003e\n\u003ctd\u003eGeneral-purpose volume and gain control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCP41100\u003c\/td\u003e\n\u003ctd\u003e100kΩ\u003c\/td\u003e\n\u003ctd\u003e176Ω typ.\u003c\/td\u003e\n\u003ctd\u003eHigh-impedance circuits, filter tuning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eKey Specifications (All Variants)\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOP-8 (SMD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e1 (single)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiper Positions\u003c\/td\u003e\n\u003ctd\u003e256 (8-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eSPI (up to 10MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e2.7V – 5.5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n\u003ctd\u003e±20% (end-to-end)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e5 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose MCP41xxx?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSPI interface\u003c\/strong\u003e — fast, simple 3-wire control (SCK, SDI, CS) from any MCU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e256 positions\u003c\/strong\u003e — fine-grained 8-bit resolution for precise resistance setting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2.7–5.5V supply\u003c\/strong\u003e — compatible with 3.3V (ESP32, STM32) and 5V (Arduino) systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNon-volatile option\u003c\/strong\u003e: Use MCP4131 (I²C) or MCP4151 (SPI with NVM) if wiper position must survive power-off\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-pack value\u003c\/strong\u003e — sufficient for multiple circuit builds and calibration applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino\u003c\/strong\u003e: SPI library — use digitalPotWrite(value) pattern with CS on any digital pin\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32 \/ STM32\u003c\/strong\u003e: Hardware SPI at 3.3V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOp-amp gain control\u003c\/strong\u003e: Replace fixed feedback resistor with MCP41010 for software-adjustable gain\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio volume control\u003c\/strong\u003e: MCP41050 or MCP41100 as digitally controlled volume pot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor calibration\u003c\/strong\u003e: Programmable bias resistor for bridge sensor offset trimming\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I control MCP41010 with Arduino?\u003c\/strong\u003e\u003cbr\u003eA: Connect SCK to Arduino pin 13, SDI to pin 11, CS to any digital pin (e.g., pin 10). Use the SPI library: \u003ccode\u003eSPI.begin(); digitalWrite(CS, LOW); SPI.transfer(0x11); SPI.transfer(value); digitalWrite(CS, HIGH);\u003c\/code\u003e where value is 0–255 (0 = minimum resistance, 255 = maximum).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Does the MCP41010 retain its wiper position after power-off?\u003c\/strong\u003e\u003cbr\u003eA: No — MCP41010\/41050\/41100 are volatile digital potentiometers. The wiper resets to the midpoint (position 128) on power-up. For non-volatile wiper retention, use MCP4151 (SPI with EEPROM) or MCP4551 (I²C with EEPROM).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can MCP41010 replace a mechanical potentiometer in an audio circuit?\u003c\/strong\u003e\u003cbr\u003eA: For low-frequency audio (below 1kHz), yes. However, the wiper resistance (52Ω for MCP41010) and parasitic capacitance limit high-frequency performance. For audio applications above 10kHz, use a dedicated audio digital potentiometer like DS1882 or PGA2311.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e5× MCP41010 \/ MCP41050 \/ MCP41100 Digital Potentiometer IC (SOP-8) — variant as selected\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"MCP41100-I SN","offer_id":46991460892907,"sku":"14:351074#MCP41100-I SN","price":9.16,"currency_code":"USD","in_stock":true},{"title":"MCP41050-I SN","offer_id":46991460925675,"sku":"14:350852#MCP41050-I SN","price":8.44,"currency_code":"USD","in_stock":true},{"title":"MCP41010-I SN","offer_id":46991460958443,"sku":"14:1202#MCP41010-I SN","price":6.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/mcp41010-41050-41100-sop-8-digital-potentiometer-ic.webp?v=1761794610","url":"https:\/\/keszoox.com\/products\/mcp41010-mcp41050-mcp41100-digital-potentiometer-sop8-spi-5pack","provider":"Keszoox","version":"1.0","type":"link"}