Overview
The ADUM1201WTRZ35, produced by Analog Devices Inc., is a dual-channel digital isolator that leverages the company's iCoupler technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance compared to traditional optocoupler devices. It is designed to offer high data rates, precise timing characteristics, and robust isolation, making it suitable for a variety of applications requiring reliable and high-speed data transfer across different voltage domains.
Key Specifications
| Parameter | Min | Max | Unit | Test Conditions | |
|---|---|---|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 | - | 5.5 | V | For 3 V and 5 V operation respectively |
| Supply Current per Channel (DC to 2 Mbps) | 0.4 | - | 0.8 | mA | At 1 MHz logic signal frequency |
| Supply Current per Channel (10 Mbps) | 1.5 | - | 2.2 | mA | At 5 MHz logic signal frequency |
| Supply Current per Channel (25 Mbps) | 3.4 | - | 4.8 | mA | At 12.5 MHz logic signal frequency |
| Data Rate | - | - | 25 | Mbps | Maximum data rate for CR grade |
| Pulse Width Distortion | - | - | 3 | ns | Maximum pulse width distortion for CR grade |
| Propagation Delay | 25 | - | 35 | ns | For 3 V and 5 V operation |
| Common-Mode Transient Immunity | 25 | - | 35 | kV/μs | Transient magnitude = 800 V |
| Operating Temperature | -40 | - | 125 | °C | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps (NRZ) with precise timing characteristics and low pulse-width distortion (<3 ns for CR grade).
- Voltage Translation: Capable of 3 V/5 V level translation, allowing for mixed voltage operation (3 V/5 V or 5 V/3 V).
- High Common-Mode Transient Immunity: Offers >25 kV/μs common-mode transient immunity, ensuring robust operation in noisy environments.
- Refresh Feature: Includes a patented refresh feature to ensure dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Regulatory Approvals: Meets various regulatory standards including UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity.
- Automotive Qualification: Qualified for automotive applications, making it suitable for use in hybrid electric vehicles, battery monitors, and motor drives.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited and multiple isolation channels are required.
- SPI Interface/Data Converter Isolation: Used in SPI interfaces and data converters to ensure isolated communication.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for isolating serial communication interfaces.
- Digital Field Bus Isolation: Used in digital field bus applications to ensure reliable and isolated data transfer.
- Hybrid Electric Vehicles, Battery Monitors, and Motor Drives: Qualified for use in automotive applications, including hybrid electric vehicles, battery monitors, and motor drives.
Q & A
- What is the maximum data rate supported by the ADUM1201WTRZ35?
The ADUM1201WTRZ35 supports a maximum data rate of 25 Mbps (NRZ) for the CR grade.
- What are the supply voltage ranges for the ADUM1201WTRZ35?
The supply voltage ranges are 2.7 V to 5.5 V for both VDD1 and VDD2, allowing for 3 V and 5 V operation.
- What is the common-mode transient immunity of the ADUM1201WTRZ35?
The component offers >25 kV/μs common-mode transient immunity.
- Does the ADUM1201WTRZ35 support mixed voltage operation?
Yes, it supports mixed voltage operation (3 V/5 V or 5 V/3 V).
- What regulatory approvals does the ADUM1201WTRZ35 have?
The component meets various regulatory standards including UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity.
- Is the ADUM1201WTRZ35 qualified for automotive applications?
Yes, it is qualified for automotive applications, including hybrid electric vehicles, battery monitors, and motor drives.
- What is the operating temperature range of the ADUM1201WTRZ35?
The operating temperature range is -40°C to 125°C.
- What is the pulse width distortion of the ADUM1201WTRZ35?
The maximum pulse width distortion is <3 ns for the CR grade.
- Does the ADUM1201WTRZ35 have a refresh feature?
Yes, it includes a patented refresh feature to ensure dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- What are some typical applications of the ADUM1201WTRZ35?
Typical applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, and digital field bus isolation.
