Overview
The ADUM3211TRZ is a dual-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This component combines high-speed CMOS and monolithic transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. It offers enhanced system-level ESD reliability and operates with supply voltages of 3.3V or 5V on either side, enabling voltage translation across the isolation barrier. The ADUM3211TRZ is designed to provide two independent isolation channels with data rates up to 25 Mbps, making it suitable for various high-speed applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 3.3V / 5V | V | ||
| Data Rate | dc to 25 Mbps | Mbps | ||
| Propagation Delay (tPHL, tPLH) | 15 | 55 | ns | |
| Output Rise/Fall Time (tR/tF) | 3.0 | 3.0 | ns | |
| Supply Current (IDD1, IDD2) | 0.7, 0.8 | 1.3, 1.6 | 2.1, 2.5 | mA |
| Operating Temperature | -55 | 125 | °C | |
| Package/Case | SOIC-8 |
Key Features
- Enhanced system-level ESD performance per IEC 61000-4-x.
- High temperature operation up to 125°C.
- Default low output characteristic.
- Narrow body, RoHS-compliant, 8-lead SOIC package.
- Low power operation.
- High data rate: dc to 25 Mbps (NRZ).
- No need for external drivers or discrete components.
Applications
- Size-critical multichannel isolation.
- SPI interface/data converter isolation.
- RS-232/RS-422/RS-485 transceiver isolation.
- Digital field bus isolation.
- Gate drive interfaces.
- Hybrid electric vehicles, battery monitor, and motor drive.
Q & A
- What is the ADUM3211TRZ? The ADUM3211TRZ is a dual-channel digital isolator from Analog Devices Inc., using iCoupler® technology.
- What are the supply voltage options for the ADUM3211TRZ? The ADUM3211TRZ operates with 3.3V or 5V supply voltages on either side.
- What is the maximum data rate of the ADUM3211TRZ? The maximum data rate is up to 25 Mbps.
- What is the operating temperature range of the ADUM3211TRZ? The operating temperature range is from -55°C to 125°C.
- What package type is the ADUM3211TRZ available in? The ADUM3211TRZ is available in an 8-lead SOIC package.
- Does the ADUM3211TRZ require external drivers or discrete components? No, it does not require external drivers or discrete components.
- What are some common applications of the ADUM3211TRZ? Common applications include size-critical multichannel isolation, SPI interface/data converter isolation, and gate drive interfaces.
- How does the ADUM3211TRZ improve ESD reliability? It provides enhanced system-level ESD performance per IEC 61000-4-x standards.
- What is the default output characteristic of the ADUM3211TRZ? The default output characteristic is low.
- Is the ADUM3211TRZ RoHS-compliant? Yes, it is RoHS-compliant.
