component
LM2903QDGKRQ1
Public Made by Adomby adom
Texas Instruments Comparators, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownLM2903QDGKRQ1
Texas Instruments · Comparators · VSSOP-8
LM2903QDGKRQ1 from Texas Instruments, in a VSSOP-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 | 1OUT | output | Output pin of comparator 1 with open-collector configuration and 20 mA maximum sink current rating. |
| 2 | 1IN- | input | Negative input pin of comparator 1, accepts input voltage from -0.3V to 36V with 25 nA typical input bias current. |
| 3 | 1IN+ | input | Positive input pin of comparator 1, accepts input voltage from -0.3V to 36V with 25 nA typical input bias current. |
| 4 | GND | power_in | Ground reference pin providing 0V reference for all voltage measurements. |
| 5 | 2IN+ | input | Positive input pin of comparator 2, accepts input voltage from -0.3V to 36V with 25 nA typical input bias current. |
| 6 | 2IN- | input | Negative input pin of comparator 2, accepts input voltage from -0.3V to 36V with 25 nA typical input bias current. |
| 7 | 2OUT | output | Output pin of comparator 2 with open-collector configuration and 20 mA maximum sink current rating. |
| 8 | VCC | power_in | Positive supply voltage pin with 2V to 30V operating range for LM2903-Q1. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-8 |
| Category | Operational Amplifier/Comparator |
| Pins | 8 |
CAD (KiCad official)
- Symbol:
LM2903QDGKRQ1 - Footprint:
Package_SO:VSSOP-8_2.3x2mm_P0.5mm - 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
lm2903qdgkrq1-etched.step/lm2903qdgkrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2903qdgkrq1.step/lm2903qdgkrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (47 pp, sha256
765b5f97d419335c, retrieved 2026-10-05, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).