Overview
The ISO7763FDWR is a high-performance, six-channel digital isolator produced by Texas Instruments. This device is designed to provide robust isolation and high electromagnetic immunity, making it suitable for a wide range of applications that require reliable and noise-free data transmission. The ISO7763FDWR features a 100 Mbps data rate, up to 5000 VRMS isolation rating, and a wide operating temperature range of –55°C to +125°C. It is available in a 16-pin SOIC package and is certified by various safety standards including UL 1577, VDE, CSA, TUV, and CQC.
Key Specifications
| Parameter | Value |
|---|---|
| Data Rate (Max) | 100 Mbps |
| Isolation Rating | Up to 5000 VRMS |
| Surge Voltage Rating | Up to 12.8 kV |
| Common Mode Transient Immunity (CMTI) | ±100 kV/µs Typical |
| Supply Voltage Range | 2.25 V to 5.5 V |
| Operating Temperature Range | –55°C to +125°C |
| Propagation Delay (Typical) | 11 ns at 5 V |
| Package Type | 16-pin SOIC (DW) |
| Number of Channels | 6 |
| Default Output | High (ISO776x) or Low (ISO776xF) |
Key Features
- High-speed data rate of up to 100 Mbps
- Robust isolation barrier with >30-year projected lifetime and up to 5000 VRMS isolation rating
- Wide supply range: 2.25 V to 5.5 V with 2.25-V to 5.5-V level translation
- Low power consumption: typical 1.4 mA per channel at 1 Mbps
- Low propagation delay: 11 ns typical at 5 V
- Robust Electromagnetic Compatibility (EMC): system-level ESD, EFT, and surge immunity
- ±8 kV IEC 61000-4-2 Contact discharge protection across isolation barrier
- Low emissions
- Available in wide-SOIC (DW-16) and SSOP (DBQ-16) package options
- Automotive version available: ISO776x-Q1
- Safety-related certifications: UL 1577, VDE, CSA, TUV, and CQC
Applications
The ISO7763FDWR is used in various applications where high-speed data transmission and robust isolation are critical. These include:
- Industrial control systems
- Automotive systems (with the ISO776x-Q1 version)
- Medical devices requiring high isolation and low emissions
- Data communication systems such as RS-485, RS-232, and CAN bus
- Any system requiring protection against noise currents and electromagnetic interference
Q & A
- What is the maximum data rate of the ISO7763FDWR?
The maximum data rate of the ISO7763FDWR is 100 Mbps.
- What is the isolation rating of the ISO7763FDWR?
The isolation rating of the ISO7763FDWR is up to 5000 VRMS.
- What is the operating temperature range of the ISO7763FDWR?
The operating temperature range of the ISO7763FDWR is –55°C to +125°C.
- What are the package options for the ISO7763FDWR?
The ISO7763FDWR is available in 16-pin SOIC (DW) and SSOP (DBQ) packages.
- Does the ISO7763FDWR have any safety certifications?
Yes, the ISO7763FDWR is certified according to UL 1577, VDE, CSA, TUV, and CQC safety standards.
- How does the ISO7763FDWR protect against electromagnetic interference?
The ISO7763FDWR provides robust Electromagnetic Compatibility (EMC) with system-level ESD, EFT, and surge immunity, and ±8 kV IEC 61000-4-2 Contact discharge protection across the isolation barrier.
- What is the typical power consumption of the ISO7763FDWR per channel?
The typical power consumption of the ISO7763FDWR is 1.4 mA per channel at 1 Mbps.
- Can the ISO7763FDWR be used in automotive applications?
Yes, an automotive version of the ISO7763FDWR, designated as ISO776x-Q1, is available.
- How many channels does the ISO7763FDWR have?
The ISO7763FDWR has six channels.
- What is the default output state of the ISO7763FDWR if the input power or signal is lost?
The default output is high for devices without the suffix F and low for devices with the suffix F.
