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ISOW7841AQDWEQ1

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Texas Instruments Digital Isolators (With Power), SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ISOW7841AQDWEQ1

Texas Instruments · Digital Isolators (With Power) · SOIC-16

ISOW7841AQDWEQ1 from Texas Instruments, in a SOIC-16. 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 VCC power_in Primary-side supply voltage, referenced to GND1, with a recommended range of 3 V to 5.5 V and an absolute maximum of 6 V.
2 GND1 power_in Ground connection for VCC on the primary (input) side.
3 INA input Input channel A, a CMOS or LVCMOS logic input with VIH of 0.7 × VSI minimum and VIL of 0.3 × VSI maximum.
4 INB input Input channel B, a CMOS or LVCMOS logic input with VIH of 0.7 × VSI minimum and VIL of 0.3 × VSI maximum.
5 INC input Input channel C, a CMOS or LVCMOS logic input with VIH of 0.7 × VSI minimum and VIL of 0.3 × VSI maximum.
6 OUTD output Output channel D, rated for a maximum output current of ±15 mA through data channels per the absolute maximum ratings.
7 NC unconnected Not connected; this pin has no function on the device.
8 GND1 power_in Ground connection for VCC on the primary (input) side.
9 GND2 power_in Ground connection for VISO on the secondary (isolated output) side.
10 SEL input VISO selection pin: shorted to VISO sets VISO = 5 V, while shorted to GND2 or left floating sets VISO = 3.3 V.
11 IND input Input channel D, a CMOS or LVCMOS logic input with VIH of 0.7 × VSI minimum and VIL of 0.3 × VSI maximum.
12 OUTC output Output channel C, rated for a maximum output current of ±15 mA through data channels per the absolute maximum ratings.
13 OUTB output Output channel B, rated for a maximum output current of ±15 mA through data channels per the absolute maximum ratings.
14 OUTA output Output channel A, rated for a maximum output current of ±15 mA through data channels per the absolute maximum ratings.
15 GND2 power_in Ground connection for VISO on the secondary (isolated output) side.
16 VISO power_out Isolated supply output on the secondary side, referenced to GND2, with its voltage (5 V or 3.3 V) set by the SEL pin.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16
Category Signal Isolation Devices
Pins 16

CAD (KiCad official)

  • Symbol: ISOW7841AQDWEQ1
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: isow7841aqdweq1-etched.step / isow7841aqdweq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); isow7841aqdweq1.step / isow7841aqdweq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (41 pp, sha256 3f733200e92e703e, retrieved 2026-10-12, 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