component
MCP41HV51-104E
Public Made by Adomby adom
Microchip Tech Digital Potentiometers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"package": "TSSOP-14",
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"category": "Data Acquisition",
"subcategory": "Digital Potentiometers",
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"source": "Component Ocean /api/assign-pns",
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"pins": [
{
"number": "1",
"name": "VL",
"type": "power_in",
"description": "Positive digital power supply input referenced to DGND, operating from 1.8V to 5.5V, with a decoupling capacitor to DGND recommended and performance outside specification below VL 2.7V (Vmin)."
},
{
"number": "2",
"name": "SCK",
"type": "input",
"description": "SPI serial clock input with Schmitt trigger, input-only because the device is an SPI slave."
},
{
"number": "3",
"name": "CS",
"type": "input",
"description": "Serial interface chip select input with Schmitt trigger, where forcing CS to VIL enables serial commands."
},
{
"number": "4",
"name": "SDI",
"type": "input",
"description": "SPI serial data input with Schmitt trigger, connected to the host controller SDO pin."
},
{
"number": "5",
"name": "SDO",
"type": "output",
"description": "SPI serial data output used to read the Wiper and TCON registers or monitor the command error bit, connected to the host controller SDI pin."
},
{
"number": "6",
"name": "WLAT",
"type": "input",
"description": "Wiper latch enable input with Schmitt trigger, where 0 transfers the received SPIBUF value to the wiper register and 1 holds the received data in SPIBUF."
},
{
"number": "7",
"name": "SHDN",
"type": "input",
"description": "Shutdown input with Schmitt trigger that forces the resistor network terminals into the hardware shutdown state."
},
{
"number": "8",
"name": "DGND",
"type": "power_in",
"description": "Digital ground reference for the device, to which VL is referenced."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "Pin not internally connected to the die; to reduce noise coupling, connect to either DGND or VL."
},
{
"number": "10",
"name": "V-",
"type": "power_in",
"description": "Analog negative supply voltage that must not have a higher potential than the DGND pin."
},
{
"number": "11",
"name": "P0B",
"type": "bidirectional",
"description": "Potentiometer 0 Terminal B, the fixed connection to the zero-scale wiper value (0x00), which can carry positive or negative current with voltage between V+ and V-."
},
{
"number": "12",
"name": "P0W",
"type": "bidirectional",
"description": "Potentiometer 0 wiper terminal, which can carry positive or negative current with voltage that must be between V+ and V-."
},
{
"number": "13",
"name": "P0A",
"type": "bidirectional",
"description": "Potentiometer 0 Terminal A, the fixed connection to the full-scale wiper value (0xFF for 8-bit or 0x7F for 7-bit), which can carry positive or negative current with voltage between V+ and V-."
},
{
"number": "14",
"name": "V+",
"type": "power_in",
"description": "Analog positive supply voltage that must be higher than V-, with analog operating range of 10V to 36V for specified performance and a maximum of +36V."
}
],
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"at": "2026-10-19T02:42:28"
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"metadata": {
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"Package": "TSSOP-14",
"Category": "Data Acquisition",
"Pins": "14"
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"rows": [
{
"name": "Digital positive supply voltage (VL), with respect to DGND",
"symbol": "VL",
"kind": "recommended_operating",
"unit": "V",
"min": 2.7,
"typ": null,
"max": 5.5,
"conditions": "With respect to DGND",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Digital positive supply voltage (VL), DGND referenced to V-",
"symbol": "VL",
"kind": "recommended_operating",
"unit": "V",
"min": 1.8,
"typ": null,
"max": 5.5,
"conditions": "DGND = V- + 0.9V (referenced to V-)",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Analog positive supply voltage (V+)",
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"min": null,
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{
"name": "Resistor network supply voltage (VRN)",
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"min": null,
"typ": null,
"max": 36,
"conditions": "Delta voltage between V+ and V-",
"source_page": 4,
"source": "datasheet"
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{
"name": "VL start voltage to ensure wiper reset",
"symbol": "VDPOR",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 1.8,
"conditions": "With respect to DGND, V+ > 6.0V",
"source_page": 4,
"source": "datasheet"
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{
"name": "V+ voltage to ensure wiper reset",
"symbol": "VAPOR",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "With respect to V-, VL = 0V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Power rail voltage during power-up, digital first",
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"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 5.5,
"conditions": "VL/DGND powers up first; V+ and V- floating or as V+/V- powers up",
"source_page": 4,
"source": "datasheet"
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{
"name": "Power rail voltage during power-up, analog first",
"symbol": "V+POR",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 36,
"conditions": "Analog powers (V+/V-) up first; VL and DGND floating or as VL/DGND powers up",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Delay after device exits the reset state (VL > VBOR)",
"symbol": "TBORD",
"kind": "electrical",
"unit": "us",
"min": null,
"typ": 10,
"max": 20,
"conditions": "Delay after device exits the reset state (VL > VBOR)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply current, serial interface active",
"symbol": "IDDD",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 45,
"max": 300,
"conditions": "Serial interface active, write all 0s to volatile wiper 0; VL = 5.5V, CS = VIL, FSCK = 5 MHz, V- = DGND",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply current, serial interface inactive",
"symbol": "IDDD",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 7,
"conditions": "Serial interface inactive, VL = 5.5V, SCK = VIH, CS = VIH, Wiper = 0, V- = DGND",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Supply current V+ to V-",
"symbol": "IDDA",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": null,
"max": 5,
"conditions": "Current V+ to V-, PxA = PxB = PxW, DGND = V- + (V+/2)",
"source_page": 5,
"source": "datasheet"
},
{
"name": "End-to-end resistance (RAB), 100 kOhm device",
"symbol": "RAB",
"kind": "electrical",
"unit": "kΩ",
"min": 80,
"typ": 100,
"max": 120,
"conditions": "-104 devices, V+/V- = 10V to 36V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "RAB resistance tolerance",
"symbol": "RAB",
"kind": "tolerance",
"unit": "%",
"min": -20,
"typ": null,
"max": 20,
"conditions": "(± 20%) as printed on RAB row",
"source_page": 5,
"source": "datasheet"
},
{
"name": "RAB current",
"symbol": "IAB",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 0.45,
"conditions": "-104 devices; 36V / RAB(MIN), V- = -18V, V+ = +18V",
"source_page": 5,
"source": "datasheet"
},
{
"name": "Wiper resistance RW",
"symbol": "RW",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 75,
"max": 170,
"conditions": "IW = 1 mA, V+ = +18V, V- = -18V, code = 00h, PxA floating, PxB = V-",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Wiper resistance RW at 5 V supply",
"symbol": "RW",
"kind": "electrical",
"unit": "Ω",
"min": null,
"typ": 145,
"max": 200,
"conditions": "IW = 1 mA, V+ = +5.0V, V- = -5.0V, code = 00h, PxA floating, PxB = V-",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Terminal current IT (A, B, W), 100 kOhm device",
"symbol": "IT, IW",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 6.5,
"conditions": "-104 devices, IBW(W ≠ ZS) and IAW(W ≠ FS)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Terminal current at zero-scale or full-scale wiper",
"symbol": "IT, IW",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 36,
"conditions": "IBW(W = ZS), or IAW(W = FS)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Nominal resistance temperature coefficient (RAB/T)",
"symbol": "RAB/T",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": null,
"typ": 50,
"max": null,
"conditions": "TA = -40°C to +85°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Nominal resistance temperature coefficient (RAB/T)",
"symbol": "RAB/T",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": null,
"typ": 100,
"max": null,
"conditions": "TA = -40°C to +125°C",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Ratiometric tempco (VWB/T)",
"symbol": "VWB/T",
"kind": "temperature_coefficient",
"unit": "ppm/°C",
"min": null,
"typ": 15,
"max": null,
"conditions": "Code = Mid-scale (80h or 40h)",
"source_page": 6,
"source": "datasheet"
},
{
"name": "Input leakage current IIL",
"symbol": "IIL",
"kind": "electrical",
"unit": "uA",
"min": -1,
"typ": null,
"max": 1,
"conditions": "VIN = VL and VIN = DGND",
"source_page": 13,
"source": "datasheet"
},
{
"name": "Power supply sensitivity (PSS), 8-bit",
"symbol": "PSS",
"kind": "electrical",
"unit": "%/%",
"min": null,
"typ": 0.0015,
"max": 0.0035,
"conditions": "8-bit, VL = 2.7V to 5.5V, V+ = 18V, V- = -18V, code = 7Fh",
"source_page": 14,
"source": "datasheet"
},
{
"name": "Full-scale error VWFSE, 100k 8-bit",
"symbol": "VWFSE",
"kind": "electrical",
"unit": "LSb",
"min": -0.7,
"typ": null,
"max": null,
"conditions": "100k 8-bit, VAB = 20V to 36V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Full-scale error VWFSE, 100k 8-bit",
"symbol": "VWFSE",
"kind": "electrical",
"unit": "LSb",
"min": -0.95,
"typ": null,
"max": null,
"conditions": "100k 8-bit, VAB = 10V to 36V",
"source_page": 7,
"source": "datasheet"
},
{
"name": "Zero-scale error VWZSE, 100k 8-bit",
"symbol": "VWZSE",
"kind": "electrical",
"unit": "LSb",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "100k 8-bit, VAB = 20V to 36V",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Zero-scale error VWZSE, 100k 8-bit",
"symbol": "VWZSE",
"kind": "electrical",
"unit": "LSb",
"min": null,
"typ": null,
"max": 0.95,
"conditions": "100k 8-bit, VAB = 10V to 36V",
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"source": "datasheet"
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{
"name": "Zero-scale error VWZSE, 100k 8-bit",
"symbol": "VWZSE",
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"typ": null,
"max": 0.7,
"conditions": "100k 8-bit, VAB = 10V to 36V, -40°C ≤ TA ≤ +85°C",
"source_page": 8,
"source": "datasheet"
},
{
"name": "Potentiometer integral nonlinearity P-INL, 100k 8-bit",
"symbol": "P-INL",
"kind": "electrical",
"unit": "LSb",
"min": -1.85,
"typ": 0.5,
"max": 1.85,
"conditions": "100k 8-bit, VAB = 10V to 36V",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Potentiometer integral nonlinearity P-INL, 100k 8-bit",
"symbol": "P-INL",
"kind": "electrical",
"unit": "LSb",
"min": -1.2,
"typ": 0.5,
"max": 1.2,
"conditions": "100k 8-bit, VAB = 20V to 36V",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Potentiometer integral nonlinearity P-INL, 100k 8-bit",
"symbol": "P-INL",
"kind": "electrical",
"unit": "LSb",
"min": -1,
"typ": 0.5,
"max": 1,
"conditions": "100k 8-bit, VAB = 10V to 36V, -40°C ≤ TA ≤ +85°C",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Potentiometer differential nonlinearity P-DNL, 100k 8-bit",
"symbol": "P-DNL",
"kind": "electrical",
"unit": "LSb",
"min": -0.25,
"typ": 0.125,
"max": 0.25,
"conditions": "100k 8-bit, VAB = 10V to 36V",
"source_page": 9,
"source": "datasheet"
},
{
"name": "Rheostat integral nonlinearity R-INL, 100k 8-bit",
"symbol": "R-INL",
"kind": "electrical",
"unit": "LSb",
"min": -1,
"typ": null,
"max": 1,
"conditions": "100k 8-bit, IW = 300 µA, (V+ - V-) = 36V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Rheostat integral nonlinearity R-INL, 100k 8-bit",
"symbol": "R-INL",
"kind": "electrical",
"unit": "LSb",
"min": -1.2,
"typ": null,
"max": 1.2,
"conditions": "100k 8-bit, IW = 83 µA, (V+ - V-) = 10V",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Rheostat differential nonlinearity R-DNL, 100k 8-bit",
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"kind": "electrical",
"unit": "LSb",
"min": -0.5,
"typ": null,
"max": 0.5,
"conditions": "100k 8-bit, IW = 300 µA, (V+ - V-) = 36V",
"source_page": 12,
"source": "datasheet"
},
{
"name": "Voltage on V- with respect to DGND",
"symbol": "V-",
"kind": "absolute_maximum",
"unit": "V",
"min": -40,
"typ": null,
"max": null,
"conditions": "With respect to DGND; printed as DGND + 0.6V to -40.0V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Voltage on V+ with respect to DGND",
"symbol": "V+",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 40,
"conditions": "With respect to DGND; printed as DGND - 0.3V to 40.0V",
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"name": "SDO data output valid after SCK edge",
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"typ": null,
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"name": "CS inactive (VIH) after SCK edge",
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"kind": "timing",
"unit": "ns",
"min": 100,
"typ": null,
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