Overview
The ADuM1200WSRZ33, produced by Analog Devices Inc., is a dual-channel digital isolator that utilizes the company's iCoupler technology. This component is designed to provide high-speed data transfer and electrical isolation between two independent channels. It is particularly useful in applications requiring voltage translation across the isolation barrier and ensures dc correctness even in the absence of input logic transitions or during power-up/power-down conditions.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 | 3.0 / 5.0 | 3.6 / 5.5 | V | For 3V/5V operation |
| Input Dynamic Supply Current per Channel | - | 0.10 / 0.19 | - | mA/Mbps | For 3V/5V operation |
| Output Dynamic Supply Current per Channel | - | 0.03 / 0.05 | - | mA/Mbps | For 3V/5V operation |
| Maximum Data Rate | - | - | 25 | Mbps | - |
| Pulse Width Distortion | - | - | 3 | ns | - |
| Channel-to-Channel Matching | - | - | 3 | ns | - |
| Common-Mode Transient Immunity | 25 | - | - | kV/μs | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps with low pulse width distortion and tight channel-to-channel matching.
- Voltage Translation: Capable of 3V/5V level translation across the isolation barrier.
- High Temperature Operation: Qualified for operation up to 125°C, especially in automotive-grade versions.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Electrical Isolation: Provides high common-mode transient immunity (>25 kV/μs) and safety approvals such as UL recognition and VDE certification.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited.
- SPI Interface/Data Converter Isolation: Used in various interface and data converter applications.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for serial communication protocols.
- Digital Field Bus Isolation: Used in industrial automation and field bus systems.
- Automotive Systems: Qualified for use in hybrid electric vehicles, battery monitors, and motor drives.
Q & A
- What is the maximum data rate supported by the ADuM1200WSRZ33?
The ADuM1200WSRZ33 supports data rates up to 25 Mbps.
- What is the operating temperature range for the ADuM1200WSRZ33?
The component is qualified for operation up to 125°C, especially in automotive-grade versions.
- Does the ADuM1200WSRZ33 support voltage translation?
Yes, it supports 3V/5V level translation across the isolation barrier.
- What is the common-mode transient immunity of the ADuM1200WSRZ33?
The component has a common-mode transient immunity of >25 kV/μs.
- What safety approvals does the ADuM1200WSRZ33 have?
The ADuM1200WSRZ33 has UL recognition, CSA Component Acceptance Notice, and VDE certification.
- How does the refresh feature work in the ADuM1200WSRZ33?
The refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- What are some typical applications of the ADuM1200WSRZ33?
It is used in size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, digital field bus isolation, and automotive systems).
- How does the ADuM1200WSRZ33 handle pulse width distortion?
The component has a low pulse width distortion of less than 3 ns for CR grade).
- What is the channel-to-channel matching of the ADuM1200WSRZ33?
The channel-to-channel matching is less than 3 ns for CR grade).
- Can the ADuM1200WSRZ33 be used in high-temperature environments?
Yes, it is qualified for operation up to 125°C).
- Is the ADuM1200WSRZ33 suitable for automotive applications?
Yes, it is qualified for automotive applications, including hybrid electric vehicles, battery monitors, and motor drives).
