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MCP3021A2T-E

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Microchip Tech Analog To Digital Converters (ADCs), SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MCP3021A2T-E

Microchip Tech · Analog To Digital Converters (ADCs) · SOT-23-5

MCP3021A2T-E from Microchip Tech, in a SOT-23-5. 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 VDD provides power to the device from a +2.7V to 5.5V supply and serves as the voltage reference for the conversion.
2 VSS power_in VSS is the ground reference for the device.
3 AIN input AIN is the single-ended analog input to the sample and hold circuit, and for proper conversions its voltage must vary from VSS to VDD.
4 SDA bidirectional SDA is an open-drain serial data pin that requires a pull-up resistor to VDD (typically 10 kΩ for 100 kHz and 2 kΩ for 400 kHz SCL).
5 SCL input SCL is an open-drain serial clock input that requires a pull-up resistor to VDD (typically 10 kΩ for 100 kHz and 2 kΩ for 400 kHz SCL).

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOT-23-5
Category ADC/DAC/Data Conversion
Pins 5

CAD (KiCad official)

  • Symbol: MCP3021A2T-E
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5 (KiCad packages3D, STEP)
  • 3D model files: mcp3021a2t-e-etched.step / mcp3021a2t-e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp3021a2t-e.step / mcp3021a2t-e.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (30 pp, sha256 b537f2ff54777b6b, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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