Key facts
- Brand
- Analog Devices
- Model
- ADuM7440
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- ZH · EN
- Last added
- 2022-10-28
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Analog Devices ADuM7440/ADuM7441/ADuM7442 1 kV RMS Four-Channel Digital Isolator Datasheet
The ADuM744x series are four-channel digital isolators utilizing Analog Devices' iCoupler technology, combining high-speed CMOS with monolithic air-core transformer technology. These devices offer superior performance compared to optocouplers and other integrated couplers, featuring a compact 16-lead QSOP package that saves approximately 70% of PCB space while maintaining a 1000 V rms isolation rating. The series supports data rates up to 25 Mbps and operates with 3.0 V to 5.5 V supply voltages. This manual is written in Chinese.
Read onlineAnalog Devices ADuM7440 specifications
| Isolation Voltage | 1000 V RMS (1‑minute) |
|---|---|
| Maximum Data Rate | 25 Mbps |
| Supply Voltage Range | 3.0 V – 5.5 V |
| Power Consumption per Channel (3.3 V operation) | 1.5 mA (typical) |
Source: Analog Devices ADuM7440 Quad-Channel Digital Isolator Datasheet
All Analog Devices ADuM7440 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What are the logic high and low input thresholds?
The logic high input threshold (VIH) is 0.7 VDDx and the logic low input threshold (VIL) is 0.3 VDDx.
From: Analog Devices ADuM7440/ADuM7441/ADuM7442 1 kV RMS Four-Channel Digital Isolator Datasheet
What is the maximum RMS isolation voltage rating for these isolators?
The devices have an isolation rating of 1000 V rms.
From: Analog Devices ADuM7440/ADuM7441/ADuM7442 1 kV RMS Four-Channel Digital Isolator Datasheet
What is the isolation voltage rating of the ADuM7440?
The device is rated for 1000 V RMS isolation for a 1‑minute duration.
From: Analog Devices ADuM7440 Quad-Channel Digital Isolator Datasheet
What maximum data rate does the ADuM7440 support?
It supports data rates up to 25 Mbps.
From: Analog Devices ADuM7440 Quad-Channel Digital Isolator Datasheet