# ADUM1401ARWZ

**Analog Devices** · Digital Isolators · SOIC-16-300mil

ADUM1401ARWZ from Analog Devices, in a SOIC-16-300mil. 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, referenced to GND1. |
| 2 | GND1 | power_in | Ground reference for isolator side 1; pin 2 and pin 8 are internally connected and connecting both to GND1 is recommended. |
| 3 | VIA | input | Logic input A on isolator side 1. |
| 4 | VIB | input | Logic input B on isolator side 1. |
| 5 | VIC | input | Logic input C on isolator side 1. |
| 6 | VOD | output | Logic output D on isolator side 1; it is enabled when VE1 is high or disconnected and disabled when VE1 is low. |
| 7 | VE1 | input | Active high output enable for side 1; connecting VE1 to an external logic high or low is recommended in noisy environments. |
| 8 | GND1 | power_in | Ground reference for isolator side 1; internally connected to pin 2, and connecting both to GND1 is recommended. |
| 9 | GND2 | power_in | Ground reference for isolator side 2; pin 9 and pin 15 are internally connected and connecting both to GND2 is recommended. |
| 10 | VE2 | input | Active high output enable for side 2; VOA, VOB, and VOC are enabled when VE2 is high or disconnected and disabled when VE2 is low. |
| 11 | VID | input | Logic input D on isolator side 2. |
| 12 | VOC | output | Logic output C on isolator side 2. |
| 13 | VOB | output | Logic output B on isolator side 2. |
| 14 | VOA | output | Logic output A on isolator side 2. |
| 15 | GND2 | power_in | Ground reference for isolator side 2; internally connected to pin 9, and connecting both to GND2 is recommended. |
| 16 | VDD2 | power_in | Supply voltage for isolator side 2, referenced to GND2. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | SOIC-16-300mil |
| Category | Signal Isolation Devices |
| Pins | 16 |

## 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 Supply Current per Channel, Quiescent (5 V, 105°C) | IDDI (Q) |  | 0.5 | 0.53 | mA |  | 4 |
| Output Supply Current per Channel, Quiescent (5 V, 105°C) | IDDO (Q) |  | 0.19 | 0.21 | mA |  | 4 |
| ADuM1401 VDD1 Supply Current (5 V, 105°C) | IDD1 (Q) |  | 1.8 | 2.4 | mA | DC to 1 MHz logic signal freq. | 4 |
| ADuM1401 VDD2 Supply Current (5 V, 105°C) | IDD2 (Q) |  | 1.2 | 1.8 | mA | DC to 1 MHz logic signal freq. | 4 |
| Input Currents (5 V, 105°C) | IIA, IIB, IIC, IID, IE1, IE2 | -10 | 0.01 | 10 | µA | 0 V ≤ VIA, VIB, VIC, VID ≤ VDD1 or VDD2, 0 V ≤ VE1, VE2 ≤ VDD1 or VDD2 | 4 |
| Logic High Input Threshold (5 V/3 V operation) | VIH, VEH | 2 |  |  | V |  | 4 |
| Logic Low Input Threshold (5 V/3 V operation) | VIL, VEL |  |  | 0.8 | V |  | 4 |
| Logic Low Output Voltage (5 V, 105°C) | VOAL, VOBL, VOCL, VODL |  | 0 | 0.1 | V | IOx = 20 µA, VIx = VIxL | 4 |
| Logic Low Output Voltage (5 V, 105°C) | VOAL, VOBL, VOCL, VODL |  | 0.04 | 0.1 | V | IOx = 400 µA, VIx = VIxL | 4 |
| Logic Low Output Voltage (5 V, 105°C) | VOAL, VOBL, VOCL, VODL |  | 0.2 | 0.4 | V | IOx = 3.2 mA, VIx = VIxL | 4 |
| Minimum Pulse Width (ADuM1401ARW grade, 5 V) | PW | 1000 |  |  | ns | CL = 15 pF, CMOS signal levels | 4 |
| Maximum Data Rate (ADuM1401ARW grade, 5 V) |  | 1 |  |  | Mbps | CL = 15 pF, CMOS signal levels | 4 |
| Propagation Delay (ADuM1401ARW grade, 5 V) | tPHL, tPLH | 50 | 65 | 100 | ns | CL = 15 pF, CMOS signal levels | 4 |
| Pulse Width Distortion, /tPLH − tPHL/ (ARW grade, 5 V) | PWD |  |  | 40 | ns | CL = 15 pF, CMOS signal levels | 5 |
| Propagation Delay Skew (ARW grade, 5 V) | tPSK |  |  | 50 | ns | CL = 15 pF, CMOS signal levels | 5 |
| Channel-to-Channel Matching (ARW grade, 5 V) | tPSKCD/tPSKOD |  |  | 50 | ns | CL = 15 pF, CMOS signal levels | 5 |
| Output Disable Propagation Delay (High/Low to High Impedance, 5 V) | tPHZ, tPLH |  | 6 | 8 | ns | CL = 15 pF, CMOS signal levels | 5 |
| Output Enable Propagation Delay (High Impedance to High/Low, 5 V) | tPZH, tPZL |  | 6 | 8 | ns | CL = 15 pF, CMOS signal levels | 5 |
| Output Rise/Fall Time (10% to 90%, 5 V) | tR/tF |  |  | 2.5 | ns | CL = 15 pF, CMOS signal levels | 5 |
| Common-Mode Transient Immunity at Logic High Output (5 V, 105°C) | /CMH/ | 25 | 35 |  | kV/µs | VIx = VDD1 or VDD2, VCM = 1000 V, transient magnitude = 800 V | 5 |
| Common-Mode Transient Immunity at Logic Low Output (5 V, 105°C) | /CML/ | 25 | 35 |  | kV/µs | VIx = 0 V, VCM = 1000 V, transient magnitude = 800 V | 5 |
| Input Supply Current per Channel, Quiescent (3 V, 105°C) | IDDI (Q) |  | 0.26 | 0.31 | mA |  | 6 |
| Output Supply Current per Channel, Quiescent (3 V, 105°C) | IDDO (Q) |  | 0.11 | 0.14 | mA |  | 6 |
| ADuM1401 VDD1 Supply Current (3 V, 105°C) | IDD1 (Q) |  | 1 | 1.6 | mA | DC to 1 MHz logic signal freq. | 6 |
| ADuM1401 VDD2 Supply Current (3 V, 105°C) | IDD2 (Q) |  | 0.7 | 1.2 | mA | DC to 1 MHz logic signal freq. | 6 |
| Input Currents (3 V, 105°C) | IIA, IIB, IIC, IID, IE1, IE2 | -10 | 0.01 | 10 | µA | 0 V ≤ VIA, VIB, VIC, VID ≤ VDD1 or VDD2, 0 V ≤ VE1, VE2 ≤ VDD1 or VDD2 | 6 |
| Logic High Input Threshold (3 V/5 V or 3 V operation) | VIH, VEH | 1.6 |  |  | V |  | 6 |
| Logic Low Input Threshold (3 V operation) | VIL, VEL |  |  | 0.4 | V |  | 6 |
| Logic Low Output Voltage (3 V, 105°C) | VOAL, VOBL, VOCL, VODL |  | 0 | 0.1 | V | IOx = 20 µA, VIx = VIxL | 6 |
| Logic Low Output Voltage (3 V, 105°C) | VOAL, VOBL, VOCL, VODL |  | 0.04 | 0.1 | V | IOx = 400 µA, VIx = VIxL | 6 |
| Logic Low Output Voltage (3 V, 105°C) | VOAL, VOBL, VOCL, VODL |  | 0.2 | 0.4 | V | IOx = 3.2 mA, VIx = VIxL | 6 |
| Minimum Pulse Width (ADuM1401ARW grade, 3 V) | PW | 1000 |  |  | ns | CL = 15 pF, CMOS signal levels | 7 |
| Maximum Data Rate (ADuM1401ARW grade, 3 V) |  | 1 |  |  | Mbps | CL = 15 pF, CMOS signal levels | 7 |
| Propagation Delay Skew (ARW grade, 3 V) | tPSK |  |  | 50 | ns | CL = 15 pF, CMOS signal levels | 7 |
| Channel-to-Channel Matching (ARW grade, 3 V) | tPSKCD/tPSKOD |  |  | 50 | ns | CL = 15 pF, CMOS signal levels | 7 |
| Output Disable Propagation Delay (High/Low to High Impedance, 3 V) | tPHZ, tPLH |  | 6 | 8 | ns | CL = 15 pF, CMOS signal levels | 7 |
| Output Enable Propagation Delay (High Impedance to High/Low, 3 V) | tPZH, tPZL |  | 6 | 8 | ns | CL = 15 pF, CMOS signal levels | 7 |
| Output Rise/Fall Time (10% to 90%, 3 V) | tR/tF |  |  | 3 | ns | CL = 15 pF, CMOS signal levels | 7 |
| Common-Mode Transient Immunity at Logic High Output (3 V, 105°C) | /CMH/ | 25 | 35 |  | kV/µs | VIx = VDD1 or VDD2, VCM = 1000 V, transient magnitude = 800 V | 7 |
| Common-Mode Transient Immunity at Logic Low Output (3 V, 105°C) | /CML/ | 25 | 35 |  | kV/µs | VIx = 0 V, VCM = 1000 V, transient magnitude = 800 V | 7 |
| Operating Temperature (TA), 105°C grade | TA | -40 |  | 105 | °C | Option 1; does not apply to ADuM1400W/ADuM1401W/ADuM1402W automotive grade | 20 |
| Supply Voltages (VDD1, VDD2) | VDD1, VDD2 | 2.7 |  | 5.5 | V | Option 1; relative to their respective ground | 20 |
| Input Signal Rise and Fall Times |  |  |  | 1 | ms |  | 20 |
| Storage Temperature | TST | -65 |  | 150 | °C |  | 21 |
| Ambient Operating Temperature (105°C grade) | TA | -40 |  | 105 | °C | Option 1; does not apply to automotive grade versions | 21 |
| Supply Voltages | VDD1, VDD2 | -0.5 |  | 7 | V | Relative to their respective ground | 21 |
| Average Output Current per Pin, Side 1 | IO1 | -18 |  | 18 | mA | See Figure 4 for derating with temperature | 21 |
| Average Output Current per Pin, Side 2 | IO2 | -22 |  | 22 | mA | See Figure 4 for derating with temperature | 21 |
| Common-Mode Transients |  | -100 |  | 100 | kV/µs | Common-mode transients across the insulation barrier | 21 |
| Logic High Output Voltage (5 V, 105°C), IOx = −20 µA | VOAH, VOBH, VOCH, VODH |  | 5 |  | V | IOx = −20 µA, VIx = VIxH | 4 |
| Logic High Output Voltage (5 V, 105°C), IOx = −3.2 mA | VOAH, VOBH, VOCH, VODH |  | 4.8 |  | V | IOx = −3.2 mA, VIx = VIxH | 4 |
| Logic High Output Voltage (3 V, 105°C), IOx = −20 µA | VOAH, VOBH, VOCH, VODH |  | 3 |  | V | IOx = −20 µA, VIx = VIxH | 6 |
| Logic High Output Voltage (3 V, 105°C), IOx = −3.2 mA | VOAH, VOBH, VOCH, VODH |  | 2.8 |  | V | IOx = −3.2 mA, VIx = VIxH | 6 |
| IC Junction to Case Thermal Resistance, Side 1 | θJCI |  | 33 |  | °C/W | Thermocouple located at center of package underside | 19 |
| IC Junction to Case Thermal Resistance, Side 2 | θJCO |  | 28 |  | °C/W | Thermocouple located at center of package underside | 19 |

## 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 |  | 2 In accordance with DIN V VDE V 0884-10, each ADuM1400/ADuM1401/ADuM1402 is proof tested by applying an insulation test voltage ≥1050 V peak for 1 sec (partial discharge detection limit = 5 pC). The  | 19 |

## CAD (KiCad official)

- Symbol: `ADUM1401ARWZ`
- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`
- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)
- 3D model files: `adum1401arwz-etched.step` / `adum1401arwz-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `adum1401arwz.step` / `adum1401arwz.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Analog Devices datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907886109581312) (31 pp, sha256 `416fb6e11b4027f6`, retrieved 2026-10-18, tier: lcsc)
- **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](docs/adum1401arwz-datasheet.pdf)