Overview
The ISO7763DWR is a high-performance, six-channel digital isolator produced by Texas Instruments. This device is part of the ISO776x family, known for its robust electromagnetic compatibility (EMC) and reinforced isolation capabilities. The ISO7763DWR is packaged in a 16-pin SOIC (DW) package and operates over a wide temperature range of -55°C to 125°C. It is designed to isolate CMOS or LVCMOS digital I/Os, providing high-electromagnetic immunity and low emissions at low power consumption.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| Data Rate (Max) | Maximum data rate | 100 | Mbps |
| Number of Channels | Number of isolation channels | 6 | - |
| Isolation Rating | Maximum isolation voltage rating | 5000 | VRMS |
| Surge Voltage Rating | Maximum surge voltage capability | 12.8 | kV |
| Propagation Delay | Typical propagation delay at 5 V | 11 | ns |
| Supply Voltage Range | Operating supply voltage range | 2.25 to 5.5 | V |
| Operating Temperature Range | Operating temperature range | -55 to 125 | °C |
| Package Type | Package type and pin count | SOIC (DW), 16 pins | - |
| Default Output | Default output state | High (without suffix F), Low (with suffix F) | - |
Key Features
- High-Speed Data Rate: Up to 100 Mbps data rate.
- Robust Isolation Barrier: >30-Year projected lifetime, up to 5000 VRMS isolation rating, and up to 12.8 kV surge capability.
- Wide Supply Range: Operates from 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 EMC: System-level ESD, EFT, and surge immunity; ±8 kV IEC 61000-4-2 contact discharge protection across the isolation barrier; low emissions.
- Safety Certifications: Reinforced insulation per DIN EN IEC 60747-17 (VDE 0884-17), UL 1577 component recognition program, CSA, TUV, and CQC certifications.
- Automotive Version Available: ISO776x-Q1 for automotive applications.
Applications
- Industrial Automation: Used in industrial control systems to isolate digital signals.
- Motor Control: Isolates signals in motor control systems to prevent noise and interference.
- Power Supplies: Helps in isolating power supplies to prevent noise currents from affecting sensitive circuitry.
- Solar Inverters: Used to isolate digital signals in solar inverter systems.
- Medical Equipment: Ensures safety and reliability in medical devices by isolating digital I/Os.
- Data Buses: Isolates signals in data buses such as RS-485, RS-232, and CAN to prevent interference.
Q & A
- What is the maximum data rate of the ISO7763DWR?
The maximum data rate of the ISO7763DWR is 100 Mbps.
- What is the isolation voltage rating of the ISO7763DWR?
The isolation voltage rating of the ISO7763DWR is up to 5000 VRMS.
- What is the operating temperature range of the ISO7763DWR?
The operating temperature range of the ISO7763DWR is -55°C to 125°C.
- What are the package options for the ISO7763DWR?
The ISO7763DWR is available in 16-pin SOIC (DW) and SSOP (DBQ) packages.
- Does the ISO7763DWR have automotive versions available?
- What safety certifications does the ISO7763DWR hold?
The ISO7763DWR holds certifications such as UL 1577, VDE, CSA, TUV, and CQC.
- How does the ISO7763DWR handle default output states?
The default output is high for devices without the suffix F and low for devices with the suffix F.
- What is the typical propagation delay of the ISO7763DWR at 5 V?
The typical propagation delay of the ISO7763DWR at 5 V is 11 ns.
- What kind of electromagnetic compatibility does the ISO7763DWR offer?
The ISO7763DWR offers system-level ESD, EFT, and surge immunity, along with low emissions and ±8 kV IEC 61000-4-2 contact discharge protection.
- How does the ISO7763DWR help in preventing noise currents?
The ISO7763DWR helps in preventing noise currents on data buses by isolating digital I/Os, thus preventing interference with or damage to sensitive circuitry.
