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MCP4023T-503E
Public Made by Adomby adom
Microchip Tech Digital Potentiometers, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownMCP4023T-503E
Microchip Tech · Digital Potentiometers · SOT-23-6
MCP4023T-503E 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, ranging from 2.7V to 5.5V relative to VSS, 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 moves it 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 (EEPROM save, WiperLock enable/disable). |
| 5 | W | passive | Potentiometer wiper terminal, the adjustable terminal; supports positive and negative current and its voltage must be between VSS and VDD. |
| 6 | A | passive | Potentiometer terminal A, the fixed connection to the 0x3F end; supports positive and negative current and its voltage 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 |
|---|---|---|---|---|---|---|---|
| Nominal resistance A-B (-503) | RAB | 40 | 50 | 60 | kΩ | -503 devices (Note 1) | 2 |
| Resistance tolerance | RAB | -20 | 20 | % | (± 20%) | 2 | |
| Operating Voltage Range | VDD | 2.7 | 5.5 | V | 2 | ||
| CS Input Voltage | VCS | 12.5 | V | min VSS; CS pin at VIL, VIH or VIHH (Note 6) | 2 | ||
| Supply Current, serial inactive | IDD | 0.3 | 1 | µA | Serial Interface Inactive (CS = VIH, U/D = VIH) | 2 | |
| Supply Current, EE write | IDD | 0.6 | 3 | mA | EE Write cycle, TA = +25°C | 2 | |
| Wiper Resistance 5.5V | RW | 70 | 125 | Ω | 5.5V (Note 3) | 3 | |
| Wiper Resistance 2.7V | RW | 70 | 325 | Ω | 2.7V (Note 3) | 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 INL | INL | -0.5 | 0.25 | 0.5 | LSb | MCP4021/23 only (Note 2); typ printed ±0.25 | 3 |
| Potentiometer DNL | DNL | -0.5 | 0.25 | 0.5 | LSb | MCP4021/23 only (Note 2); typ printed ±0.25 | 3 |
| Maximum current through A, W or B | IW | 2.5 | mA | Note 6 | 3 | ||
| Input High Voltage | VIH | 0.7 | VDD | 0.7 VDD, expressed as fraction of VDD | 5 | ||
| Input Low Voltage | VIL | 0.3 | VDD | 0.3 VDD, expressed as fraction of 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 4.5-5.5V | PSS | 0.0015 | 0.0035 | %/% | VDD = 4.5V to 5.5V, VA = 4.5V, Code = 1Fh | 5 | |
| Power Supply Sensitivity 2.7-4.5V | PSS | 0.0015 | 0.0035 | %/% | VDD = 2.7V to 4.5V, VA = 2.7V, 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 | |||
| Internal EEPROM Write Time @25°C | twc | 5 | ms | @25°C | 6 | ||
| Internal EEPROM Write Time | twc | 10 | ms | -40°C to +125°C | 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 | |||
| Specified Temperature Range | TA | -40 | 125 | °C | 10 | ||
| Operating Temperature Range | TA | -40 | 125 | °C | 10 | ||
| 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 | -0.3 | V | max printed VDD + 0.3V | 2 | |||
| Current at Input Pins | -10 | 10 | mA | printed ±10 mA | 2 | ||
| Current at Supply Pins | -10 | 10 | mA | printed ±10 mA | 2 | ||
| Current at Potentiometer Pins | -2.5 | 2.5 | mA | printed ±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 | |||
| 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 | 200 | kHz | -503 devices, Code = 1F, output load = 30 pF | 3 | ||
| Capacitance (PA) | CAW | 75 | pF | f =1 MHz, code = 1Fh | 3 | ||
| Capacitance (PW) | CW | 120 | pF | f =1 MHz, code = 1Fh | 3 | ||
| Capacitance (PB) | CBW | 75 | pF | f =1 MHz, code = 1Fh | 3 | ||
| Leakage current into A, W or B | IWL | 100 | nA | MCP4022/23 A = W = VSS | 3 | ||
| CS Pull-up/Pull-down Resistance | RCS | 16 | kΩ | VDD = 5.5V, VCS = 3V | 5 | ||
| Thermal Resistance, 6L-SOT-23 | θJA | 230 | °C/W | 10 |
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-503E - Footprint:
Package_TO_SOT_SMD:SOT-23-6 - 3D model: SOT-23-6 (KiCad packages3D, STEP)
- 3D model files:
mcp4023t-503e-etched.step/mcp4023t-503e-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mcp4023t-503e.step/mcp4023t-503e.glbare 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, primaryclaude-sonnet-5-5(text), consensusclaude-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).