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ADUM1280ARZ-RL7

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Analog Devices Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinterface icsadum1280arz-rl7factory-2.0.0extractor-text

Verified ADUM1280ARZ-RL7

by Ray · last 2 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

2 Nov 2026RayPublished by the parts factory: tier mfr, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ADUM1280ARZ-RL7 · SOIC-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 18-page datasheet
  • ✓distributor: lcsc C2913761, digikey 505-ADUM1280ARZ-RL7TR-ND, mouser 584-ADUM1280ARZ-R7
  • ✓family: SOIC-8_3.9x4.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-2tt2dqs6/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ adum1280arz-rl7.kicad_sym✓ adum1280arz-rl7.kicad_mod✓ adum1280arz-rl7.step
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Ray Publish 0.1.0 e1b4e77 1d ago

ADUM1280ARZ-RL7

Analog Devices · Digital Isolators · SOIC-8

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