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MCP6S21T-I

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Microchip Tech Programmable/Variable Gain Amplifiers (PGAs/VGAs), MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MCP6S21T-I

Microchip Tech · Programmable/Variable Gain Amplifiers (PGAs/VGAs) · MSOP-8

MCP6S21T-I 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 VOUT output Analog output, a low-impedance voltage source whose value is set by the selected gain, selected input channel and the voltage at VREF.
2 CH0 input Analog input CH0, a high-impedance CMOS input with low bias current that the internal MUX selects for amplification (the only input on the MCP6S21).
3 VREF power_in External reference pin that should be at a voltage between VSS and VDD and shifts the output voltage.
4 VSS power_in Negative power supply, normally connected to ground in single-supply use.
5 CS input SPI chip select, a Schmitt-triggered CMOS logic input.
6 SI input SPI serial data input, a Schmitt-triggered CMOS logic input.
7 SCK input SPI clock input, a Schmitt-triggered CMOS logic input.
8 VDD power_in Positive power supply, 2.5V to 5.5V above VSS, needing a local 0.1 µF bypass capacitor.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package MSOP-8
Category Operational Amplifier/Comparator
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 8-Lead Plastic Small Outline (SN), Narrow, 150 mil (SOIC) Foot Angle  048048 32

CAD (KiCad official)

  • Symbol: MCP6S21T-I
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: mcp6s21t-i-etched.step / mcp6s21t-i-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mcp6s21t-i.step / mcp6s21t-i.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (42 pp, sha256 012e5e55acf350c4, retrieved 2026-10-22, tier: lcsc)
  • 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