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ADUM7441CRQZ-RL7
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Analog Devices Digital Isolators, QSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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Symbol & Footprint
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Contents
README
markdownADUM7441CRQZ-RL7
Analog Devices · Digital Isolators · QSOP-16-150mil
ADUM7441CRQZ-RL7 from Analog Devices, in a QSOP-16-150mil. 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 and bypassed with a 0.01 µF to 0.1 µF ceramic capacitor to GND1 (pin 2). |
| 2 | GND1 | power_in | Ground 1, the ground reference for Isolator Side 1; internally connected to pin 8, and connecting both to GND1 is recommended. |
| 3 | VIA | input | Logic Input A for Isolator Side 1. |
| 4 | VIB | input | Logic Input B for Isolator Side 1. |
| 5 | VIC | input | Logic Input C for Isolator Side 1. |
| 6 | VOD | output | Logic Output D on Isolator Side 2; the output is in the default high state when the input side is unpowered. |
| 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 and bypassed with a 0.01 µF to 0.1 µF ceramic capacitor to GND1 (pin 8). |
| 8 | GND1 | power_in | Ground 1, the ground reference for Isolator Side 1; internally connected to pin 2, and connecting both to GND1 is recommended. |
| 9 | GND2 | power_in | Ground 2, the ground reference for Isolator Side 2; internally connected to pin 15, and connecting both to GND2 is recommended. |
| 10 | VDD2B | power_in | Supply Voltage B for Isolator Side 2, 3.0 V to 5.5 V; must be connected externally to pin 16 and bypassed with a 0.01 µF to 0.1 µF ceramic capacitor to GND2 (pin 9). |
| 11 | VID | input | Logic Input D for Isolator Side 1. |
| 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 2, the ground reference for Isolator Side 2; internally connected to pin 9, and connecting both to GND2 is recommended. |
| 16 | VDD2A | power_in | Supply Voltage A for Isolator Side 2, 3.0 V to 5.5 V; must be connected externally to pin 10 and bypassed with a 0.01 µF to 0.1 µF ceramic capacitor to GND2 (pin 15). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices |
| Package | QSOP-16-150mil |
| 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 |
|---|---|---|---|---|---|---|---|
| Propagation Delay (5 V, C grade) | tPHL, tPLH | 29 | 40 | 50 | ns | 50% input to 50% output | 3 |
| Pulse Width Distortion (5 V, C grade) | PWD | 2 | 5 | ns | /tPLH − tPHL/ | 3 | |
| Pulse Width (5 V, C grade) | PW | 40 | ns | Within PWD limit | 3 | ||
| Propagation Delay Skew (5 V) | tPSK | 10 | ns | 3 | |||
| Channel Matching Codirectional (5 V, C grade) | tPSKCD | 2 | 4 | ns | 3 | ||
| Channel Matching Opposing-Direction (5 V, C grade) | tPSKOD | 3 | 6 | ns | 3 | ||
| Data Rate (5 V) | 25 | Mbps | Within PWD limit | 3 | |||
| ADuM7441 Supply Current IDD1 (5 V, 25 Mbps C grade) | IDD1 | 18 | 26 | mA | 25 Mbps, C grade, 5 V operation | 3 | |
| ADuM7441 Supply Current IDD2 (5 V, 25 Mbps C grade) | IDD2 | 8.5 | 14 | mA | 25 Mbps, C grade, 5 V operation | 3 | |
| Logic High Output Voltage (5 V, IOx = −20 µA) | VOH | 5 | V | IOx = −20 µA, VIx = VIxH | 3 | ||
| Logic High Output Voltage (5 V, IOx = −4 mA) | VOH | 4.8 | V | IOx = −4 mA, VIx = VIxH | 3 | ||
| Logic Low Output Voltage (5 V, IOx = 20 µA) | VOL | 0 | 0.1 | V | IOx = 20 µA, VIx = VIxL | 3 | |
| Logic Low Output Voltage (5 V, IOx = 4 mA) | VOL | 0.2 | 0.4 | V | IOx = 4 mA, VIx = VIxL | 3 | |
| Input Current per Channel (5 V) | II | -10 | 0.01 | 10 | µA | 0 V ≤ VIx ≤ VDDx | 3 |
| Quiescent Input Supply Current (5 V) | IDDI(Q) | 0.76 | 0.95 | mA | 3 | ||
| Quiescent Output Supply Current (5 V) | IDDO(Q) | 0.57 | 0.73 | mA | 3 | ||
| Common-Mode Transient Immunity (5 V) | /CM/ | 15 | 25 | kV/µs | VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V | 3 | |
| Propagation Delay (3.3 V, C grade) | tPHL, tPLH | 37 | 51 | 66 | ns | 50% input to 50% output | 4 |
| Pulse Width Distortion (3.3 V, C grade) | PWD | 2 | 5 | ns | /tPLH − tPHL/ | 4 | |
| Pulse Width (3.3 V, C grade) | PW | 40 | ns | Within PWD limit | 4 | ||
| Propagation Delay Skew (3.3 V) | tPSK | 10 | ns | 4 | |||
| Channel Matching Codirectional (3.3 V, C grade) | tPSKCD | 3 | 5 | ns | 4 | ||
| Channel Matching Opposing-Direction (3.3 V, C grade) | tPSKOD | 4 | 7 | ns | 4 | ||
| ADuM7441 Supply Current IDD1 (3.3 V, 25 Mbps C grade) | IDD1 | 14 | 20 | mA | 25 Mbps, C grade, 3.3 V operation | 4 | |
| ADuM7441 Supply Current IDD2 (3.3 V, 25 Mbps C grade) | IDD2 | 5.5 | 7.5 | mA | 25 Mbps, C grade, 3.3 V operation | 4 | |
| Logic High Output Voltage (3.3 V, IOx = −20 µA) | VOH | 3.3 | V | IOx = −20 µA, VIx = VIxH | 4 | ||
| Logic High Output Voltage (3.3 V, IOx = −4 mA) | VOH | 3.1 | V | IOx = −4 mA, VIx = VIxH | 4 | ||
| Logic Low Output Voltage (3.3 V, IOx = 20 µA) | VOL | 0 | 0.1 | V | IOx = 20 µA, VIx = VIxL | 4 | |
| Logic Low Output Voltage (3.3 V, IOx = 4 mA) | VOL | 0.2 | 0.4 | V | IOx = 4 mA, VIx = VIxL | 4 | |
| Input Current per Channel (3.3 V) | II | -10 | 0.01 | 10 | µA | 0 V ≤ VIx ≤ VDDx | 4 |
| Common-Mode Transient Immunity (3.3 V) | /CM/ | 15 | 20 | kV/µs | VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V | 4 | |
| Operating Temperature | TA | -40 | 105 | °C | 7 | ||
| Supply Voltages | VDD1, VDD2 | 3 | 5.5 | V | All voltages relative to their respective ground | 7 | |
| Input Signal Rise and Fall Times | 1 | ms | 7 | ||||
| Storage Temperature Range | TST | -65 | 150 | °C | 8 | ||
| Ambient Operating Temperature | TA | -40 | 105 | °C | 8 | ||
| Supply Voltages | VDD1, VDD2 | -0.5 | 7 | V | 8 | ||
| Input Voltages | VIA, VIB, VIC, VID | -0.5 | V | Upper limit printed as VDDI + 0.5 V | 8 | ||
| Output Voltages | VOA, VOB, VOC, VOD | -0.5 | V | Upper limit printed as VDDO + 0.5 V | 8 | ||
| Average Output Current per Pin, Side 1 | IO1 | -10 | 10 | mA | 8 | ||
| Average Output Current per Pin, Side 2 | IO2 | -10 | 10 | mA | 8 | ||
| Common-Mode Transients | -100 | 100 | kV/µs | Across the insulation barrier | 8 | ||
| IC Junction-to-Ambient Thermal Resistance | θJA | 76 | °C/W | Thermocouple located at center of package underside | 7 |
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 | Refers to common-mode transients across the insulation barrier. Commonmode transients exceeding the absolute maximum ratings may cause | 8 |
CAD (KiCad official)
- Symbol:
ADUM7441CRQZ-RL7 - Footprint:
Package_SO:QSOP-16_3.9x4.9mm_P0.635mm - 3D model: QSOP-16-150mil (KiCad packages3D, STEP)
- 3D model files:
adum7441crqz-rl7-etched.step/adum7441crqz-rl7-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);adum7441crqz-rl7.step/adum7441crqz-rl7.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Analog Devices datasheet (20 pp, sha256
257c1f427ee44678, retrieved 2026-10-19, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).