Overview
The ADuM1201BRZ, produced by Analog Devices Inc., is a dual-channel digital isolator based on the iCoupler technology. This component provides high-speed, low-power, and precise digital isolation, making it suitable for a variety of applications requiring reliable and efficient signal isolation.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 V to 3.6 V or 4.5 V to 5.5 V | Typical at 3.0 V or 5.0 V |
| Maximum Data Rate | Up to 25 Mbps (NRZ) | |
| Propagation Delay (tPHL, tPLH) | 15 ns to 55 ns | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion (PWD) | < 3 ns (CR grade) | |
| Channel-to-Channel Matching | < 3 ns (CR grade) | |
| Output Rise/Fall Time (10% to 90%) | 10 ns | |
| Supply Current per Channel | 0.8 mA (0 Mbps to 2 Mbps), 2.2 mA (10 Mbps), 4.8 mA (25 Mbps) | No output load present |
| Operating Temperature | -40°C to 125°C | |
| Package | SOIC-8 |
Key Features
- Bidirectional communication with 3 V/5 V level translation.
- High data rate capability: dc to 25 Mbps (NRZ).
- Precise timing characteristics with low pulse width distortion (<3 ns for CR grade) and tight channel-to-channel matching (<3 ns for CR grade).
- High common-mode transient immunity: >25 kV/μs.
- Safety and regulatory approvals including UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity.
- Patented refresh feature ensuring dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
Applications
- Size-critical multichannel isolation.
- SPI interface/data converter isolation.
- RS-232/RS-422/RS-485 transceiver isolation.
- Digital field bus isolation.
- Hybrid electric vehicles, battery monitor, and motor drive.
- Automotive interfaces (CAN, Audio, Ethernet).
- Industrial I/O and IO-Link.
Q & A
- What is the ADuM1201BRZ used for?
The ADuM1201BRZ is used for high-speed digital isolation in various applications requiring reliable signal isolation. - What are the supply voltage ranges for the ADuM1201BRZ?
The supply voltage ranges are 2.7 V to 3.6 V or 4.5 V to 5.5 V. - What is the maximum data rate of the ADuM1201BRZ?
The maximum data rate is up to 25 Mbps (NRZ). - What is the propagation delay of the ADuM1201BRZ?
The propagation delay (tPHL, tPLH) is between 15 ns and 55 ns. - Does the ADuM1201BRZ support bidirectional communication?
Yes, it supports bidirectional communication with 3 V/5 V level translation. - What is the operating temperature range of the ADuM1201BRZ?
The operating temperature range is -40°C to 125°C. - What package type is the ADuM1201BRZ available in?
The ADuM1201BRZ is available in an SOIC-8 package. - Does the ADuM1201BRZ have any safety and regulatory approvals?
Yes, it has UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity. - What is the patented refresh feature of the ADuM1201BRZ?
The patented refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. - What are some common applications of the ADuM1201BRZ?
Common applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, and automotive interfaces.
