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MCP3301T-BI

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Microchip Tech Analog To Digital Converters (ADCs), MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MCP3301T-BI

Microchip Tech · Analog To Digital Converters (ADCs) · MSOP-8

MCP3301T-BI from Microchip Tech, in a MSOP-8. 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 VREF power_in Reference voltage input that sets the full-scale analog input range and LSB size, with a stated range of 0.4 V to VDD.
2 IN(+) input Positive analog input with an absolute voltage range of VSS-0.3V to VDD+0.3V.
3 IN(-) input Negative analog input with an absolute voltage range of VSS-0.3V to VDD+0.3V.
4 VSS power_in Ground connection, to be tied to the analog ground plane where one is available.
5 CS/SHDN input Chip select and shutdown input: pulled low to start communication, and pulled high to end a conversion and enter low-power standby, and must be high between conversions.
6 DOUT output SPI serial data output that shifts out conversion results, with data changing on each falling edge of CLK.
7 CLK input SPI serial clock that initiates a conversion and clocks out each bit, with a minimum clock high time and clock low time of 275 ns each.
8 VDD power_in Power supply input that operates from 2.7 V to 5.5 V, with performance specified from 4.5 V to 5.5 V and a 0.1 µF bypass capacitor recommended close to the pin.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package MSOP-8
Category ADC/DAC/Data Conversion
Pins 8

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 P = Plastic DIP (300 mil Body), 8-lead SN = Plastic SOIC (150 mil Body), 8-lead 30

CAD (KiCad official)

  • Symbol: MCP3301T-BI
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: mcp3301t-bi-etched.step / mcp3301t-bi-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp3301t-bi.step / mcp3301t-bi.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (32 pp, sha256 8b7a353dea44a52f, 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