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Contents

Pinout
Key specifications
Electrical characteristics
CAD (KiCad official)
Provenance

README

markdown

LM2903DRG

HANSCHIP semiconductor · Comparators · SOP-8

LM2903DRG from HANSCHIP semiconductor, in a SOP-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	Channel 1 open-drain output; typical low-level output voltage 0.1V at IOL=4mA, output leakage max 1uA.
2	1IN-	input	Channel 1 inverting input; common-mode range -0.3V to VCC, differential input up to ±18V absolute maximum.
3	1IN+	input	Channel 1 non-inverting input; common-mode range -0.3V to VCC, differential input up to ±18V absolute maximum.
4	VEE	power_in	Negative supply (GND in single-supply operation); dual supply operation is ±16V.
5	2IN+	input	Channel 2 non-inverting input; common-mode range -0.3V to VCC, differential input up to ±18V absolute maximum.
6	2IN-	input	Channel 2 inverting input; common-mode range -0.3V to VCC, differential input up to ±18V absolute maximum.
7	2OUT	output	Channel 2 open-drain output; typical low-level output voltage 0.1V at IOL=4mA, output leakage max 1uA.
8	VCC	power_in	Positive supply; single-supply operating range 2V to 32V, absolute maximum 36V.

Key specifications

Parameter	Value
Manufacturer	HANSCHIP semiconductor
Package	SOP-8
Category	Amplifiers/Comparators
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
Input offset current	IIO		5	50	nA	VO=1.4V	4
Input bias current	IBIAS		100	500	nA	VO=1.4V	4
Output low voltage	VOL		0.1	0.4	V	VID=-1V, IOL=4mA	4
Output leakage current	IOH			1	uA	VID=1V, VO=VCC=30V	4
Supply current	ICC		0.6	2	mA	VCC=5V, No load	4
Supply current	ICC		1	3	mA	VCC=32V, No load	4
Input common-mode voltage range	VICR	0			V	VCC=5V to 30V	4
Input differential voltage range	VID	0			V	VCC=5V to 30V	4
Single supply operating voltage	VCC	2		32	V	VEE=0V(GND)	4
Dual supply operating voltage	VS	-16		16	V	VCC+, VEE-	4
Operating temperature	TA	-40		85	°C		2
Single supply voltage	VCC			36	V		2
Dual supply voltage	VS	-18		18	V		2
Differential input voltage	VIDR	-18		18	V	Voltage between IN+ and IN-	2
Common-mode input voltage	VICR	-0.3			V		2
Power dissipation	PD			500	mW		2
Storage temperature	TS	-65		150	°C		2
Soldering temperature	TW			245	°C	10 s	2

CAD (KiCad official)

Symbol: LM2903DRG
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOP-8 (KiCad packages3D, STEP)
3D model files: lm2903drg-etched.step / lm2903drg-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lm2903drg.step / lm2903drg.glb are the bare package body.

Provenance

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

Datasheet: HANSCHIP semiconductor datasheet (10 pp, sha256 88634180c9523ec3, retrieved 2026-10-17, 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, 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