Specifications
| Type | Description |
|---|---|
| Part Number | ISOW7841 |
| Manufacturer | Texas Instruments |
| Product Type | Operational Amplifier |
| Category | Signal Chain |
| Package / Case | SOIC (16), 10.30 mm x 7.50 mm nominal body size |
| Data Rate | 100 Mbps maximum supported signaling rate |
| Isolation Channels | 4 channels |
| Isolation Type | Reinforced isolation |
| Projected Isolation Lifetime | >100 years at 1 kVRMS working voltage |
| Working Voltage | 1 kVRMS |
| Isolation Rating | Up to 5000 VRMS |
| Surge Capability | Up to 10 kVPK |
| Common-Mode Transient Immunity | ±100 kV/us minimum |
| Integrated Power Converter | DC-DC converter with on-chip transformer |
| Input Supply Voltage Range | 3 V to 5.5 V |
| Regulated Output Voltage | 5 V or 3.3 V |
| Output Power | Up to 0.65 W |
| Available Load Current | >=130 mA for 5 V to 5 V or 5 V to 3.3 V converter configuration |
| Available Load Current | >=75 mA for 3.3 V to 3.3 V converter configuration |
| Available Load Current | >=40 mA for 3.3 V to 5 V converter configuration |
| Inrush Current Control | Soft-start supported |
| Protection Feature | Overload and short-circuit protection |
| Protection Feature | Thermal shutdown |
| Default Output Options | High and Low options |
| Propagation Delay | 13 ns typical at 5-V supply |
| IEC ESD Contact Discharge Protection | ±8 kV across isolation barrier |
| Operating Temperature Range | -40°C to +125°C |
| VDE Reinforced Isolation Certification | 7071 VPK under DIN V VDE 0884-11:2017-01 |
| UL Isolation Certification | 5000 VRMS for 1 minute under UL 1577 |
| Primary Supply Reference | VCC referenced to GND1 |
| Isolated Supply Reference | VISO referenced to GND2 |
| Datasheet Status | request_only |
Product Overview
The ISOW7841 is a Texas Instruments reinforced digital isolator with an integrated DC-DC converter. The device belongs to the quad-channel ISOW784x digital isolator family and supports a maximum signaling rate of 100 Mbps with 13 ns typical propagation delay at a 5-V supply.
Its isolation barrier is specified up to 5000 VRMS, with up to 10 kVPK surge capability and ±100 kV/us minimum common-mode transient immunity. The device has a projected isolation lifetime greater than 100 years at 1 kVRMS working voltage, with VDE reinforced isolation certification at 7071 VPK and UL isolation certification at 5000 VRMS for 1 minute.
The integrated power stage is a DC-DC converter with an on-chip transformer. It accepts a 3 V to 5.5 V input supply and provides a regulated 5 V or 3.3 V isolated output up to 0.65 W. The primary supply is VCC referenced to GND1, while the isolated supply is VISO referenced to GND2. The package is SOIC (16), 10.30 mm x 7.50 mm nominal body size, with operation from -40°C to +125°C.
Key Features
- Four-channel reinforced digital isolator architecture
- 100 Mbps maximum supported signaling rate
- Integrated DC-DC converter with on-chip transformer
- 3 V to 5.5 V input supply range
- Regulated 5 V or 3.3 V isolated output
- Up to 0.65 W isolated output power
- Up to 5000 VRMS isolation barrier rating
- Up to 10 kVPK surge capability
- ±100 kV/us minimum common-mode transient immunity
- Soft-start, overload, short-circuit, and thermal shutdown protection
Typical Applications
- Isolated digital signal interfaces
- Reinforced isolation barriers
- Isolated power domains
- Four-channel isolation links
- High CMTI signal isolation
- Extended-temperature isolated systems
Procurement Notes
When requesting a quote for ISOW7841, buyers should confirm the manufacturer, package or case, required quantity, target date code, compliance documents, packing method, destination country and expected delivery schedule.
If alternatives are acceptable, buyers should share the approved vendor list, required electrical or optical limits, package constraints and qualification requirements. Any alternative part should be reviewed by the buyer's engineering team before production use.
For analog and signal-chain sourcing, supply voltage, bandwidth, accuracy, noise level, package, temperature grade, input/output configuration and qualification requirements should be verified before approval.
FAQ
What type of device is the ISOW7841?
The ISOW7841 is a Texas Instruments reinforced digital isolator with an integrated DC-DC converter. It provides four isolation channels and includes an isolated power converter using an on-chip transformer.
What signaling rate does the ISOW7841 support?
The ISOW7841 supports a maximum signaling rate of 100 Mbps. The extracted datasheet facts also specify a typical propagation delay of 13 ns when operated with a 5-V supply.
What isolated power output can the ISOW7841 provide?
The integrated DC-DC converter provides regulated 5 V or 3.3 V isolated output up to 0.65 W. Available load current depends on conversion configuration, including >=130 mA, >=75 mA, or >=40 mA conditions.
Technical Review & Sourcing Note
Prepared by LDeepAI Component Sourcing Team. Reviewed for RFQ, documentation and alternative sourcing use. Last updated: June 30, 2026.
This page is based on manufacturer datasheet information and LDeepAI sourcing review. Specifications should be verified against the official manufacturer datasheet before final procurement or design approval. Final electrical, optical and reliability approval should be confirmed by the buyer's engineering team.