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ADUM7643CRQZ

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Analog Devices Digital Isolators, QSOP-20-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentinterface icsadum7643crqzfactory-2.0.0extractor-text

Verified ADUM7643CRQZ

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 20 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ADUM7643CRQZ · QSOP-20-150mil · 20 pins
  • ✓copper: 20 copper pads, none touching another net
  • ✓datasheet: all 20 pin names found in the 22-page datasheet
  • ✓distributor: lcsc C661773, digikey ADUM7643CRQZ-ND, mouser 584-ADUM7643CRQZ
  • ✓family: QSOP-20_3.9x8.7mm_P0.635mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-4pzjs_zg/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: 20 pins = 20 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 20 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ adum7643crqz.kicad_sym✓ adum7643crqz.kicad_mod✓ adum7643crqz.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 3d ago
viewers adum7643crqz: viewers · Ray 3d ago
adum7643crqz-etched.glb Publish 0.1.0 · Ray 3d ago
adum7643crqz-etched.step adum7643crqz: factory component page (tier=mfr) · Ray 3d ago
adum7643crqz-hero.glb adum7643crqz: hero GLB from the etched model (keeps the MPN mark) · Ray 3d ago
adum7643crqz-hero.overlay.json Publish 0.1.0 · Ray 3d ago
adum7643crqz.glb Publish 0.1.0 · Ray 3d ago
adum7643crqz.kicad_mod Publish 0.1.0 · Ray 3d ago
adum7643crqz.kicad_sym Publish 0.1.0 · Ray 3d ago
adum7643crqz.lbr Publish 0.1.0 · Ray 3d ago
adum7643crqz.step Publish 0.1.0 · Ray 3d ago
package.json Publish 0.1.0 · Ray 3d ago
page.json Set visibility: public · Ray 3d ago
README.md Publish 0.1.0 · Ray 3d ago
verification.json Verified: Published by the parts factory: tier mfr, 20 pins · Ray 3d ago

ADUM7643CRQZ

Analog Devices · Digital Isolators · QSOP-20-150mil

ADUM7643CRQZ from Analog Devices, in a QSOP-20-150mil. 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 VDD1A power_in Supply voltage A for isolator side 1 (3.0 V to 5.5 V); must be connected externally to Pin 7, with 0.01 µF to 0.1 µF bypass to GND1 (Pin 2).
2 GND1 power_in Ground reference for isolator side 1; internally connected to Pin 10, and connecting both to the PCB ground plane is recommended.
3 VIA input Logic input A.
4 VIB input Logic input B.
5 VOC output Logic output C.
6 VOD output Logic output D.
7 VDD1B power_in Supply voltage B for isolator side 1 (3.0 V to 5.5 V); must be connected externally to Pin 1, with 0.01 µF to 0.1 µF bypass to GND1 (Pin 10).
8 VOE output Logic output E.
9 VIF input Logic input F.
10 GND1 power_in Ground reference for isolator side 1; internally connected to Pin 2, and connecting both to the PCB ground plane is recommended.
11 GND2 power_in Ground reference for isolator side 2; internally connected to Pin 19, and connecting both to the PCB ground plane is recommended.
12 VOF output Logic output F.
13 VIE input Logic input E.
14 VDD2B power_in Supply voltage B for isolator side 2 (3.0 V to 5.5 V); must be connected externally to Pin 20, with 0.01 µF to 0.1 µF bypass to GND2 (Pin 11).
15 VID input Logic input D.
16 VIC input Logic input C.
17 VOB output Logic output B.
18 VOA output Logic output A.
19 GND2 power_in Ground reference for isolator side 2; internally connected to Pin 11, and connecting both to the PCB ground plane is recommended.
20 VDD2A power_in Supply voltage A for isolator side 2 (3.0 V to 5.5 V); must be connected externally to Pin 14, with 0.01 µF to 0.1 µF bypass to GND2 (Pin 19).

Key specifications

Parameter Value
Manufacturer Analog Devices
Package QSOP-20-150mil
Category Interface ICs
Pins 20

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 (C grade) PW 40 ns Within PWD limit; 5 V operation 4
Data Rate (C grade) 25 Mbps Within PWD limit; 5 V operation 4
Propagation Delay (C grade) tPHL, tPLH 28 40 50 ns 50% input to 50% output; 5 V operation 4
Pulse Width Distortion (C grade) PWD 2 6 ns /tPLH − tPHL/; 5 V operation 4
Propagation Delay Skew (C grade) tPSK 14 ns 5 V operation 4
Codirectional Channel Matching (C grade) tPSKCD 6 12 ns 5 V operation 4
Opposing Directional Channel Matching (C grade) tPSKOD 7 12 ns 5 V operation 4
Supply current IDD1, 1 Mbps IDD1 4.8 6 mA 1 Mbps, no load; 5 V operation 4
Supply current IDD2, 1 Mbps IDD2 5 6.3 mA 1 Mbps, no load; 5 V operation 4
Supply current IDD1, 25 Mbps IDD1 24 30 mA 25 Mbps C grade, no load; 5 V operation 4
Supply current IDD2, 25 Mbps IDD2 22 29 mA 25 Mbps C grade, no load; 5 V operation 4
Logic Low Output Voltage VOL 0 0.1 V IOx = 20 µA, VIx = VIxL; 5 V operation 4
Logic Low Output Voltage VOL 0.2 0.4 V IOx = 4 mA, VIx = VIxL; 5 V operation 4
Input Current per Channel II -10 0.01 10 µA 0 V ≤ VIx ≤ VDDx; 5 V operation 5
Input Quiescent Supply Current per Channel IDDI (Q) 0.95 1.16 mA 5 V operation 5
Output Quiescent Supply Current per Channel IDDO (Q) 0.73 0.98 mA 5 V operation 5
Common-Mode Transient Immunity /CM/ 15 25 kV/µs VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V; 5 V operation 5
Propagation Delay (C grade) tPHL, tPLH 33 49 66 ns 50% input to 50% output; 3.3 V operation 5
Pulse Width Distortion (C grade) PWD 2 6 ns /tPLH − tPHL/; 3.3 V operation 5
Propagation Delay Skew (C grade) tPSK 14 ns 3.3 V operation 5
Codirectional Channel Matching (C grade) tPSKCD 6 12 ns 3.3 V operation 5
Opposing Directional Channel Matching (C grade) tPSKOD 6 15 ns 3.3 V operation 5
Supply current IDD1, 1 Mbps IDD1 3.5 4.4 mA 1 Mbps, no load; 3.3 V operation 6
Supply current IDD2, 1 Mbps IDD2 3.6 4.5 mA 1 Mbps, no load; 3.3 V operation 6
Supply current IDD1, 25 Mbps IDD1 18 21 mA 25 Mbps C grade, no load; 3.3 V operation 6
Supply current IDD2, 25 Mbps IDD2 16 20 mA 25 Mbps C grade, no load; 3.3 V operation 6
Logic Low Output Voltage VOL 0 0.1 V IOx = 20 µA, VIx = VIxL; 3.3 V operation 6
Logic Low Output Voltage VOL 0.2 0.4 V IOx = 4 mA, VIx = VIxL; 3.3 V operation 6
Input Current per Channel II -10 0.01 10 µA 0 V ≤ VIx ≤ VDDx; 3.3 V operation 6
Input Quiescent Supply Current per Channel IDDI (Q) 0.68 0.87 mA 3.3 V operation 6
Output Quiescent Supply Current per Channel IDDO (Q) 0.55 0.72 mA 3.3 V operation 6
Common-Mode Transient Immunity /CM/ 15 20 kV/µs VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V; 3.3 V operation 6
Propagation Delay (C grade) tPHL, tPLH 30 42 58 ns 50% input to 50% output; mixed 5 V/3.3 V operation 6
Propagation Delay (C grade) tPHL, tPLH 29 46 60 ns 50% input to 50% output; mixed 3.3 V/5 V operation 8
Operating Temperature TA -40 105 °C 10
Supply Voltages VDD1, VDD2 3 5.5 V 10
Input Signal Rise and Fall Times 1 ms 10
Storage Temperature TST -65 150 °C TA = 25°C 11
Ambient Operating Temperature TA -40 105 °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 Across the insulation barrier 11
Maximum Continuous Working Voltage, Basic Insulation 420 V peak 50-year minimum lifetime 11
IC Junction-to-Ambient Thermal Resistance θJA 76 °C/W Thermocouple located at center of package underside 9
Resistance (Input to Output) RI-O 1013 Ω 9
Capacitance (Input to Output) CI-O 2 pF f = 1 MHz 9
Input Capacitance CI 4 pF From any input data pin to ground 9
Rated Dielectric Insulation Voltage VISO 1000 V rms 1 minute duration 9

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 abs 3 Refers to common-mode transients across the insulation barrier. Common￾mode transients exceeding the absolute maximum ratings may cause latch-up 11

CAD (KiCad official)

  • Symbol: ADUM7643CRQZ
  • Footprint: Package_SO:QSOP-20_3.9x8.7mm_P0.635mm
  • 3D model: QSOP-20-150mil (KiCad packages3D, STEP)
  • 3D model files: adum7643crqz-etched.step / adum7643crqz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); adum7643crqz.step / adum7643crqz.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (22 pp, sha256 d5f48833ac0414f1, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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