Overview
The ADuM1200WTRZ53 is a dual-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic transformer technology to provide reliable and high-speed data isolation. The ADuM1200WTRZ53 is designed to offer voltage translation across the isolation barrier, making it suitable for a variety of applications requiring data isolation and level translation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Maximum Data Rate | - | - | 25 | Mbps | NRZ signal |
| Pulse Width Distortion | - | - | 3 | ns | CR grade |
| Channel-to-Channel Matching | - | - | 3 | ns | CR grade |
| Input Dynamic Supply Current per Channel | - | - | 0.19 | mA/Mbps | 5 V operation |
| Output Dynamic Supply Current per Channel | - | - | 0.03 | mA/Mbps | 5 V operation |
| Common-Mode Transient Immunity | 25 | - | - | kV/μs | VCM = 1000 V, transient magnitude = 800 V |
| Operating Temperature | -40 | - | 125 | °C | - |
| Isolation Voltage | - | - | 2500 | Vrms for 1 minute | UL 1577 |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer across the isolation barrier.
- High Data Rate: Capable of handling data rates up to 25 Mbps (NRZ signal).
- Precise Timing Characteristics: 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, ensuring robust performance against transient voltages.
- Voltage Translation: Supports 3 V/5 V level translation.
- Automotive Grade: Qualified for automotive applications with operation up to 125°C.
- Safety and Regulatory Approvals: UL recognition, CSA Component Acceptance Notice 5A, VDE Certificate of Conformity.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited.
- SPI Interface/Data Converter Isolation: Suitable for isolating SPI interfaces and data converters.
- RS-232/RS-422/RS-485 Transceiver Isolation: Used in serial communication systems requiring isolation.
- Digital Field Bus Isolation: Applicable in various industrial field bus systems.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Qualified for use in automotive and industrial control systems.
Q & A
- What is the maximum data rate of the ADuM1200WTRZ53?
The ADuM1200WTRZ53 can handle data rates up to 25 Mbps (NRZ signal). - What is the pulse width distortion of the ADuM1200WTRZ53?
The pulse width distortion is less than 3 ns for the CR grade. - Does the ADuM1200WTRZ53 support voltage translation?
Yes, it supports 3 V/5 V level translation. - What is the common-mode transient immunity of the ADuM1200WTRZ53?
The common-mode transient immunity is greater than 25 kV/μs. - Is the ADuM1200WTRZ53 qualified for automotive applications?
Yes, it is qualified for automotive applications and can operate up to 125°C. - What safety and regulatory approvals does the ADuM1200WTRZ53 have?
It has UL recognition, CSA Component Acceptance Notice 5A, and VDE Certificate of Conformity. - What are some typical applications of the ADuM1200WTRZ53?
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 in hybrid electric vehicles, battery monitors, and motor drives. - How does the ADuM1200WTRZ53 ensure dc correctness?
The ADuM1200WTRZ53 has a patented refresh feature that ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions. - What is the operating temperature range of the ADuM1200WTRZ53?
The operating temperature range is from -40°C to 125°C. - What is the isolation voltage rating of the ADuM1200WTRZ53?
The isolation voltage rating is 2500 Vrms for 1 minute according to UL 1577.
