Overview
The ADUM1201WSRZ is a dual-channel digital isolator produced by Analog Devices Inc. This component is designed to provide high-speed data isolation with precise timing characteristics and low pulse width distortion. It is part of the ADuM1200/ADuM1201 series, which offers various channel configurations and data rates, making it versatile for different applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 | 3.0 | 3.6 | V | For 3V operation |
| Supply Voltage (VDD1, VDD2) | 4.5 | 5.0 | 5.5 | V | For 5V operation |
| Maximum Data Rate | - | - | 25 | Mbps | |
| Propagation Delay (tPHL, tPLH) | 20 | - | 50 | ns | |
| Pulse Width Distortion (PWD) | - | - | 40 | ns | |
| Channel-to-Channel Matching | - | - | 50 | ns | |
| Operating Temperature | -40 | - | 125 | °C |
Key Features
- Bidirectional communication with 3V/5V level translation
- High data rate: dc to 25 Mbps (NRZ)
- Low pulse width distortion (<3 ns for CR grade)
- Tight channel-to-channel matching (<3 ns for CR grade)
- High common-mode transient immunity: >25 kV/μs
- Patented refresh feature ensuring dc correctness during power-up/power-down and absence of input logic transitions
- UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity
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 applications (qualified for 125°C operation)
Q & A
- What is the maximum data rate of the ADUM1201WSRZ?
The maximum data rate is up to 25 Mbps (NRZ).
- What are the operating voltage ranges for the ADUM1201WSRZ?
The component operates within 2.7V to 3.6V and 4.5V to 5.5V ranges.
- What is the propagation delay of the ADUM1201WSRZ?
The propagation delay (tPHL, tPLH) is between 20 ns and 50 ns.
- Does the ADUM1201WSRZ support bidirectional communication?
- What is the pulse width distortion of the ADUM1201WSRZ?
- What are the regulatory approvals for the ADUM1201WSRZ?
- What is the maximum operating temperature of the ADUM1201WSRZ?
- Does the ADUM1201WSRZ have any special features for ensuring dc correctness?
- What are some common applications of the ADUM1201WSRZ?
- Is the ADUM1201WSRZ qualified for automotive use?
