Overview
The ADUM3211TRZ-EP from Analog Devices Inc. is a dual-channel digital isolator that combines high-speed CMOS and monolithic transformer technology to provide outstanding performance characteristics. This isolator is designed to offer superior performance compared to traditional optocoupler devices. It operates with 3.3V or 5V supply voltages on either side, enabling compatibility with lower voltage systems and voltage translation across the isolation barrier. The ADUM3211TRZ-EP features a default output low characteristic, distinguishing it from other models like the ADuM3200/ADuM3201, which have a default output high characteristic. This component is suitable for various applications requiring high-speed data transfer and robust isolation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Maximum Data Rate | 25 Mbps | |
| Maximum Propagation Delay | 50 ns | |
| Maximum Pulse Width Distortion | 4 ns | |
| Supply Voltages | 3.3 V or 5 V | |
| Supply Current per Channel | 1.7 mA (at 0 Mbps to 1 Mbps) | |
| Package Type | 8-lead SOIC_N | |
| Temperature Range | -55°C to +125°C | |
| Common-Mode Transient Immunity | >25 kV/µs | |
| ESD Performance | Enhanced system-level ESD per IEC 61000-4-x |
Key Features
- High-speed CMOS and monolithic transformer technology for superior performance.
- Two independent isolation channels with data rates up to 25 Mbps.
- Operates with 3.3V or 5V supply voltages, enabling voltage translation across the isolation barrier.
- Default output low characteristic.
- Low power operation with precise timing characteristics.
- High common-mode transient immunity (>25 kV/µs).
- Enhanced system-level ESD performance per IEC 61000-4-x.
- Controlled manufacturing baseline and enhanced product change notification.
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.
Q & A
- What is the maximum data rate of the ADUM3211TRZ-EP?
The maximum data rate is up to 25 Mbps.
- What are the supported supply voltages for the ADUM3211TRZ-EP?
The component operates with 3.3V or 5V supply voltages on either side.
- What is the default output characteristic of the ADUM3211TRZ-EP?
The default output characteristic is low, unlike the ADuM3200/ADuM3201 models which have a default output high characteristic.
- What is the maximum propagation delay of the ADUM3211TRZ-EP?
The maximum propagation delay is 50 ns.
- What is the common-mode transient immunity of the ADUM3211TRZ-EP?
The common-mode transient immunity is greater than 25 kV/µs.
- What is the temperature range of the ADUM3211TRZ-EP?
The temperature range is from -55°C to +125°C.
- What package type does the ADUM3211TRZ-EP come in?
The component comes in an 8-lead SOIC_N package.
- Does the ADUM3211TRZ-EP have enhanced ESD performance?
Yes, it has enhanced system-level ESD performance per IEC 61000-4-x.
- What are some typical applications of the ADUM3211TRZ-EP?
Typical applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, digital field bus isolation, and gate drive interfaces.
- Is the ADUM3211TRZ-EP suitable for automotive applications?
The ADUM3211W models are automotive grade versions qualified for 125°C operation, but the ADUM3211TRZ-EP itself is not specifically marked as automotive grade.
