ADUM1280ARZ-RL7 from Analog Devices, 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	VDD1	power_in	Supply Voltage for Isolator Side 1 (3.135 V to 5.5 V).
2	VIA	input	Logic Input A.
3	VIB	input	Logic Input B.
4	GND1	power_in	Ground 1. Ground reference for Isolator Side 1.
5	GND2	power_in	Ground 2. Ground reference for Isolator Side 2.
6	VOB	output	Logic Output B.
7	VOA	output	Logic Output A.
8	VDD2	power_in	Supply Voltage for Isolator Side 2 (3.135 V to 5.5 V).

Key specifications

Parameter	Value
Manufacturer	Analog Devices
Package	SOIC-8
Category	Interface ICs
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
Pulse Width	PW	1000			ns	Within PWD limit	3
Data Rate				1	Mbps	Within PWD limit	3
Propagation Delay	tPHL, tPLH			50	ns	50% input to 50% output	3
Pulse Width Distortion	PWD			10	ns	/tPLH − tPHL/	3
Change vs. Temperature				7	ps/°C		3
Propagation Delay Skew	tPSK			38	ns	Between any two units at same operating conditions	3
Codirectional Channel Matching	tPSKCD			5	ns		3
Opposing-Direction Channel Matching	tPSKOD			10	ns		3
Jitter				2	ns		3
Supply Current IDD1 (1 Mbps)	IDD1	1.1	1.6	6.2	mA	No load	3
Supply Current IDD2 (1 Mbps)	IDD2	2.7	4.5	4.8	mA	No load	3
Logic Low Output Voltage	VOL	0		0.1	V	IOx = 20 µA, VIx = VIxL	3
Logic Low Output Voltage	VOL			0.4	V	IOx = 3.2 mA, VIx = VIxL	3
Input Current per Channel	II	-10	0.01	10	µA	0 V ≤ VIx ≤ VDDx	3
Quiescent Input Supply Current	IDDI(Q)		0.54	0.8	mA		3
Quiescent Output Supply Current	IDDO(Q)		1.6	2	mA		3
Dynamic Input Supply Current	IDDI(D)		0.09		mA/Mbps		3
Dynamic Output Supply Current	IDDO(D)		0.04		mA/Mbps		3
Positive VDDx Threshold	VDDXUV+		2.75		V		4
Negative VDDx Threshold	VDDXUV−		2.65		V		4
VDDx Hysteresis	VDDXUVH		0.1		V		4
Output Rise/Fall Time	tR/tF			2.5	ns	10% to 90%	4
Common-Mode Transient Immunity	/CM/	25	35		kV/µs	VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V	4
Refresh Period	tr		1.6		µs		4
Supply Current IDD1 (1 Mbps, 3.3 V)	IDD1	0.75	1.4	5.1	mA	No load	4
Supply Current IDD2 (1 Mbps, 3.3 V)	IDD2	2	3.5	2.7	mA	No load	4
Propagation Delay (3.3 V)	tPHL, tPLH			50	ns	50% input to 50% output	4
Pulse Width (3.3 V)	PW	1000			ns	Within PWD limit	4
Pulse Width Distortion (3.3 V)	PWD			10	ns	/tPLH − tPHL/	4
Propagation Delay Skew (3.3 V)	tPSK			38	ns	Between any two units at same operating conditions	4
Codirectional Channel Matching (3.3 V)	tPSKCD			5	ns		4
Opposing-Direction Channel Matching (3.3 V)	tPSKOD			10	ns		4
Jitter (3.3 V)				2	ns		4
Quiescent Input Supply Current (3.3 V)	IDDI(Q)		0.4	0.6	mA		5
Quiescent Output Supply Current (3.3 V)	IDDO(Q)		1.2	1.7	mA		5
Dynamic Input Supply Current (3.3 V)	IDDI(D)		0.08		mA/Mbps		5
Dynamic Output Supply Current (3.3 V)	IDDO(D)		0.015		mA/Mbps		5
Output Rise/Fall Time (3.3 V)	tR/tF			3	ns	10% to 90%	5
Operating Temperature	TA	-40		125	°C		10
Supply Voltage (A Grade)	VDD1, VDD2	3.135		5.5	V	A Grades	10
Input Signal Rise and Fall Times				1	ms		10
Storage Temperature	TST	-65		150	°C		11
Ambient Operating Temperature	TA	-40		125	°C		11
Supply Voltages	VDD1, VDD2	-0.5		7	V		11
Average Output Current per Pin Side 1	IO1	-10		10	mA		11
Average Output Current per Pin Side 2	IO2	-10		10	mA		11
Common-Mode Transients		-100		100	kV/μs		11
Maximum Continuous Working Voltage (Bipolar AC)				565	VPEAK	Reinforced insulation rating per IEC 60747-17 (VDE 0884-17)	11
IC Junction-to-Ambient Thermal Resistance	θJA		85		°C/W	Thermocouple located at center of package underside	8

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part	Material	Colour / plating	Datasheet says	Page
housing	pC		In accordance with DIN EN IEC 60747-17 (VDE 0884-17), each ADuM1280/ADuM1281/ADuM1285/ADuM1286 is proof tested by applying an insulation test voltage ≥ 1050 VPEAK for 1 second (partial discharge detec	8

CAD (KiCad official)

Symbol: ADUM1280ARZ-RL7
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOIC-8 (KiCad packages3D, STEP)
3D model files: adum1280arz-rl7-etched.step / adum1280arz-rl7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); adum1280arz-rl7.step / adum1280arz-rl7.glb are the bare package body.

Provenance

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

Datasheet: Analog Devices datasheet (18 pp, sha256 9143762bd346e43a, retrieved 2026-11-02, tier: manufacturer)
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

ADUM1280ARZ-RL7

Verified ADUM1280ARZ-RL7

Verification log 1 record

3D Model

Symbol & Footprint

Schematic Symbol

PCB Footprint

Datasheet

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