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LM4040D30IDBZR

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Texas Instruments Voltage Reference, SOT-23. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs lm4040d30idbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
viewers lm4040d30idbzr: viewers · Ray 1mo ago
lm4040d30idbzr-etched.fit.json lm4040d30idbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
lm4040d30idbzr-etched.glb lm4040d30idbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
lm4040d30idbzr-etched.step lm4040d30idbzr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
lm4040d30idbzr.glb Publish 0.1.0 · Ray 1mo ago
lm4040d30idbzr.kicad_mod Publish 0.1.0 · Ray 1mo ago
lm4040d30idbzr.kicad_sym Publish 0.1.0 · Ray 1mo ago
lm4040d30idbzr.lbr Publish 0.1.0 · Ray 1mo ago
lm4040d30idbzr.step Publish 0.1.0 · Ray 1mo ago
package.json Publish 0.1.0 · Ray 1mo ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 7d ago
README.md lm4040d30idbzr: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 17d ago

LM4040D30IDBZR

Texas Instruments · Voltage Reference · SOT-23

LM4040D30IDBZR from Texas Instruments, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CATHODE passive Shunt current/voltage input (cathode of the reference). Regulates to 3.0 V above the anode when biased through a series resistor RS. Recommended cathode current 45 µA to 15 mA.
2 ANODE passive Common pin, normally connected to ground. Return path for the shunt current.
3 SUB passive Substrate connection. Pin 3 is attached to substrate and must be connected to ANODE or left open.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23
Category PMIC
Pins 3

Ordering variants

Same part, different packaging or reel option.

  • LM4040D30IDBZR
  • LM4040D30IDBZT
  • LM4040D30IDBZRIDCKR
  • LM4040D30IDBZRIDCKT

CAD (KiCad official)

  • Symbol: LM4040D30IDBZR
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: lm4040d30idbzr-etched.step / lm4040d30idbzr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm4040d30idbzr.step / lm4040d30idbzr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (60 pp, sha256 9969399d53c90478, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF