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MCP4023T-103E

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Microchip Tech Digital Potentiometers, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MCP4023T-103E

Microchip Tech · Digital Potentiometers · SOT-23-6

MCP4023T-103E from Microchip Tech, in a SOT-23-6. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VDD power_in Positive power supply input, relative to VSS, 2.7V to 5.5V, with a decoupling capacitor to VSS recommended.
2 VSS power_in Device ground reference.
3 U/D input TTL-compatible Increment/Decrement input; an increment moves the wiper one step toward terminal A and a decrement one step toward terminal B.
4 CS input TTL-compatible chip select input with internal pull-up; VIL enables serial commands and VIHH enables high-voltage serial commands (wiper save and WiperLock control).
5 W passive Potentiometer wiper terminal, the adjustable terminal; supports positive and negative current and must be between VSS and VDD.
6 A passive Potentiometer terminal A, fixed connection to the 0x3F end; no polarity, supports positive and negative current, must be between VSS and VDD.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-6
Category ADC/DAC/Data Conversion
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Voltage Range VDD 2.7 5.5 V 2
Nominal resistance (-103 devices) RAB 8 10 12 kΩ -103 devices (Note 1) 2
Resistance tolerance RAB -20 20 % ± 20% 2
Supply Current, serial interface inactive IDD 0.3 1 µA Serial Interface Inactive (CS = VIH, U/D = VIH) 2
Supply Current, EE write cycle IDD 0.6 3 mA EE Write cycle, TA = +25°C 2
Wiper Resistance at 5.5V RW 70 125 Ω 5.5V 3
Wiper Resistance at 2.7V RW 70 325 Ω 2.7V 3
Full-Scale Error VWFSE -0.5 -0.1 0.5 LSb Code 3Fh (MCP4021/23 only) 3
Zero-Scale Error VWZSE -0.5 0.1 0.5 LSb Code 00h (MCP4021/23 only) 3
Potentiometer Integral Non-linearity INL -0.5 0.25 0.5 LSb MCP4021/23 only (Note 2) 3
Potentiometer Differential Nonlinearity DNL -0.5 0.25 0.5 LSb MCP4021/23 only (Note 2) 3
Maximum current through A, W or B IW 2.5 mA Note 6 3
CS Input Voltage VCS 12.5 V The CS pin will be at one of three input levels (VIL, VIH or VIHH). (Note 6) 2
Input High Voltage VIH 0.7 VDD 5
Input Low Voltage VIL 0.3 VDD 5
High-Voltage Input Entry Voltage VIHH 8.5 12.5 V +7°C to +125°C 5
High-Voltage Input Entry Voltage VIHH 9 12.5 V -40°C to +125°C 5
Input Leakage Current IIL -1 1 µA VIN = VDD 5
Power Supply Sensitivity PSS 0.0015 0.0035 %/% VDD = 4.5V to 5.5V, VA = 4.5V, Code = 1Fh 5
CS Low Time tCSLO 5 µs 6
CS High Time tCSHI 500 ns 6
U/D to CS Hold Time tLUC 500 ns 6
CS to U/D Low Setup Time tLCUF 500 ns 6
CS to U/D High Setup Time tLCUR 3 µs 6
U/D High Time tHI 500 ns 6
U/D Low Time tLO 500 ns 6
Up/Down Toggle Frequency fUD 1 MHz 6
Wiper Settling Time tS 2 µs 10 k CL = 100 pF 6
HV U/D to CS Hold Time tHUC 1.5 µs 8
HV CS to U/D Low Setup Time tHCUF 8 µs 8
HV CS to U/D High Setup Time tHCUR 4.5 µs 8
Internal EEPROM Write Time twc 5 ms @25°C 6
Internal EEPROM Write Time twc 10 ms -40°C to +125°C 6
Supply voltage VDD 6.5 V 2
CS and U/D inputs w.r.t VSS -0.3 12.5 V 2
A, B and W terminals w.r.t VSS (min) -0.3 V -0.3V to VDD + 0.3V 2
Current at Input Pins -10 10 mA ±10 mA 2
Current at Supply Pins -10 10 mA ±10 mA 2
Current at Potentiometer Pins -2.5 2.5 mA ±2.5 mA 2
Storage temperature -65 150 °C 2
Ambient temp. with power applied -55 125 °C 2
Maximum Junction Temperature TJ 150 °C 2
Operating Temperature Range TA -40 125 °C 10
Specified Temperature Range TA -40 125 °C 10
Thermal Resistance, 6L-SOT-23 θJA 230 °C/W 10
Supply Current at 5.5V IDD 45 µA 5.5V, CS = VSS, fU/D = 1 MHz 2
Supply Current at 2.7V IDD 15 µA 2.7V, CS = VSS, fU/D = 1 MHz 2
Nominal Resistance Tempco ΔR/ΔT 50 ppm/°C TA = -20°C to +70°C 3
Nominal Resistance Tempco ΔR/ΔT 100 ppm/°C TA = -40°C to +85°C 3
Nominal Resistance Tempco ΔR/ΔT 150 ppm/°C TA = -40°C to +125°C 3
Ratiometric Tempco ΔVWA/ΔT 10 ppm/°C MCP4021 and MCP4023 only, code = 1Fh 3
Bandwidth -3 dB BW 1 MHz -103 devices, Code = 1F, output load = 30 pF 3
Wiper Response on Power-Up tPU 200 ns 6

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin 8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm (.150 In.) Body [SOIC] A A2 65

CAD (KiCad official)

  • Symbol: MCP4023T-103E
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: mcp4023t-103e-etched.step / mcp4023t-103e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp4023t-103e.step / mcp4023t-103e.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Microchip Tech datasheet (74 pp, sha256 6d9ee87ab7f5b4fc, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF