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LM4140CCMX-1.2

Public Made by Adom

by adom

Texas Instruments Voltage Reference, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentpower management (pmic)lm4140ccmx-1.2factory-2.0.0extractor-text
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Generated by kicad-footprint-generator · KiCad file format 20260206
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lm4140ccmx-1-2-etched.step lm4140ccmx-1-2: factory component page (tier=lcsc) · Ray 1mo ago
lm4140ccmx-1-2-hero.glb lm4140ccmx-1-2: hero GLB from the etched model (keeps the MPN mark) · Ray 1mo ago
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LM4140CCMX-1.2

Texas Instruments · Voltage Reference · SOIC-8

LM4140CCMX-1.2 from Texas Instruments, in a SOIC-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 GND power_in Negative supply or ground connection that must be connected to ground (one of four ground pins, 1, 4, 7 and 8).
2 VIN power_in Positive supply input; the datasheet's absolute maximum for any input pin is -0.3 V to 5.6 V and low-voltage operation is specified down to 1.8 V.
3 Enable input Pulled to input for normal operation; forcing this pin to ground turns off the output.
4 GND power_in Negative supply or ground connection that must be connected to ground (one of four ground pins, 1, 4, 7 and 8).
5 NC unconnected This pin must be left open.
6 VREF power_in Reference output capable of sourcing up to 8 mA.
7 GND power_in Negative supply or ground connection that must be connected to ground (one of four ground pins, 1, 4, 7 and 8).
8 GND power_in Negative supply or ground connection that must be connected to ground (one of four ground pins, 1, 4, 7 and 8).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Power Management (PMIC)
Pins 8

CAD (KiCad official)

  • Symbol: LM4140CCMX-1.2
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: lm4140ccmx-1-2-etched.step / lm4140ccmx-1-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4140ccmx-1-2.step / lm4140ccmx-1-2.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (33 pp, sha256 18565fb048b1515d, retrieved 2026-10-08, tier: lcsc)
  • 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