Overview
The Texas Instruments ISOW7841DWE is a high-performance, quad-channel digital isolator designed for robust and reliable signal isolation in various industrial and medical applications. This component integrates a high-efficiency DC-DC converter with an on-chip transformer, providing isolated power and ensuring a wide input supply range of 3V to 5.5V. The ISOW7841DWE is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package and operates over an extended temperature range of -40°C to 125°C, making it suitable for harsh environments.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Lifecycle Status | ACTIVE |
| Mounting Type | Surface Mount |
| Package / Case | 16-SOIC (0.295", 7.50mm Width) |
| Number of Pins | 16 Pins |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Supply | 3V ~ 5.5V |
| Number of Channels | 4 Channels |
| Channel Type | Unidirectional |
| Voltage - Isolation | 5000 Vrms |
| Data Rate | 100 Mbps |
| Propagation Delay tpLH / tpHL (Max) | 17.6 ns, 17.6 ns |
| Common Mode Transient Immunity (Min) | 100 kV/μs |
| Isolated Power | Yes |
| Inputs - Side 1/Side 2 | 3/1 |
| Rise / Fall Time (Typ) | 2 ns, 2 ns |
| Pulse Width Distortion (Max) | 4.7 ns |
Key Features
- 100 Mbps data rate and low propagation delay of 13 ns (typical at 5-V supply).
- Robust isolation barrier with up to 5000 Vrms isolation rating and up to 10 kV peak surge capability.
- Integrated high-efficiency DC-DC converter with on-chip transformer, providing regulated 5-V or 3.3-V output.
- Wide input supply range of 3V to 5.5V and available load current options (e.g., ≥ 130 mA for 5 V to 5 V).
- Soft-start to limit inrush current, overload and short-circuit protection, and thermal shutdown.
- Robust electromagnetic compatibility (EMC) and system-level ESD, EFT, and surge immunity.
- Safety-related certifications including UL 1577, CSA, TUV, and CQC approvals.
Applications
The ISOW7841DWE is suitable for a variety of applications requiring high isolation and reliability, such as:
- Industrial automation and control systems.
- Medical devices, including patient monitoring and diagnostic equipment.
- Power supplies and DC-DC converters in harsh environments.
- Automotive systems requiring high isolation and EMC performance.
- Renewable energy systems, such as solar and wind power inverters.
Q & A
- What is the operating temperature range of the ISOW7841DWE?
The ISOW7841DWE operates over an extended temperature range of -40°C to 125°C. - What is the isolation voltage rating of the ISOW7841DWE?
The ISOW7841DWE has a voltage isolation rating of 5000 Vrms. - What is the data rate of the ISOW7841DWE?
The data rate of the ISOW7841DWE is 100 Mbps. - Does the ISOW7841DWE have integrated power isolation?
Yes, the ISOW7841DWE includes an integrated high-efficiency DC-DC converter with on-chip transformer for isolated power. - What are the safety certifications for the ISOW7841DWE?
The ISOW7841DWE has certifications including UL 1577, CSA, TUV, and CQC approvals. - What is the common mode transient immunity (CMTI) of the ISOW7841DWE?
The CMTI of the ISOW7841DWE is a minimum of 100 kV/μs. - What is the propagation delay of the ISOW7841DWE?
The propagation delay (tpLH / tpHL) of the ISOW7841DWE is 17.6 ns maximum. - What is the package type and pin count of the ISOW7841DWE?
The ISOW7841DWE is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package. - Is the ISOW7841DWE RoHS compliant?
Yes, the ISOW7841DWE is ROHS3 compliant. - What are the available load current options for the ISOW7841DWE?
The available load current options include ≥ 130 mA for 5 V to 5 V, ≥ 75 mA for 3.3 V to 3.3 V, and ≥ 40 mA for 3.3 V to 5 V.
