component
LM285MX
Public Made by Adomby adom
Texas Instruments Voltage Reference, SOIC-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
Generated by kicad-footprint-generator · KiCad file format 20260206
| Name | Last updated |
|---|---|
| docs | 13d ago |
| viewers | 13d ago |
| lm285mx-etched.glb | 13d ago |
| lm285mx-etched.step | 13d ago |
| lm285mx-hero.glb | 13d ago |
| lm285mx-hero.overlay.json | 13d ago |
| lm285mx.glb | 13d ago |
| lm285mx.kicad_mod | 13d ago |
| lm285mx.kicad_sym | 13d ago |
| lm285mx.lbr | 13d ago |
| lm285mx.step | 13d ago |
| package.json | 13d ago |
| page.json | 13d ago |
| README.md | 13d ago |
LM285MX
Texas Instruments · Voltage Reference · SOIC-8
LM285MX 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 | NC | unconnected | No internal connection; leave unconnected or tie to ground per board layout. |
| 2 | − | power_in | Cathode / negative terminal; ground-side return path for the shunt reference current; connect to circuit ground. |
| 3 | NC | unconnected | No internal connection; leave unconnected or tie to ground per board layout. |
| 4 | NC | unconnected | No internal connection; leave unconnected or tie to ground per board layout. |
| 5 | NC | unconnected | No internal connection; leave unconnected or tie to ground per board layout. |
| 6 | FB | input | Feedback / adjust pin; output voltage set by external resistor divider connected here; feedback current 13 nA typ, 35 nA max (25 °C, LM285). |
| 7 | NC | unconnected | No internal connection; leave unconnected or tie to ground per board layout. |
| 8 | + | power_out | Anode / positive terminal; regulated reference voltage output, adjustable 1.24 V to 5.30 V at 10 μA to 20 mA operating current, 1 Ω dynamic impedance typ. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Power Management (PMIC) |
| Pins | 8 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse Current | 30 | mA | 3 | ||||
| Forward Current | 10 | mA | 3 | ||||
| Operating Temperature Range (LM285 Series) | -40 | 85 | °C | LM285 series, per Absolute Maximum Ratings | 3 | ||
| ESD Susceptibility | 2 | kV | Human body model, 100 pF through 1.5 kΩ | 3 | |||
| Storage Temperature | -55 | 150 | °C | 3 | |||
| Soldering, SOIC vapor phase | 215 | °C | Vapor phase, 60 sec | 3 | |||
| Soldering, SOIC infrared | 220 | °C | Infrared, 15 sec | 3 | |||
| Maximum junction temperature, LM285 elevated operation | TJ(max) | 125 | °C | Elevated temperature operation (Table 1) | 3 | ||
| Thermal resistance junction to ambient, SOIC | θJA | 165 | °C/W | Over operating free-air temperature range | 3 | ||
| Average Temperature Coefficient, all others (not X or Y suffix) | 150 | ppm/°C | Footnote 4: max deviation from TMIN to TMAX divided by TMAX − TMIN | 4 |
CAD (KiCad official)
- Symbol:
LM285MX - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
lm285mx-etched.step/lm285mx-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm285mx.step/lm285mx.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (27 pp, sha256
0dc47d98ca08aa27, retrieved 2026-10-21, tier: lcsc) - 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).