Overview
The ADUM1201WTRZ53, 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, low-power isolation for digital signals, making it suitable for a variety of applications that require reliable and precise signal transmission across different voltage domains.
The ADUM1201WTRZ53 is particularly notable for its high data rate capabilities, reaching up to 25 Mbps, and its ability to operate at high temperatures up to 125°C. It also features 3 V/5 V level translation, bidirectional communication, and high common-mode transient immunity.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Data Rate | dc to 25 Mbps (NRZ) | |
| Supply Voltage | 2.7 V to 3.6 V, 4.5 V to 5.5 V | VDD1 and VDD2 |
| Supply Current (VDD1/VDD2) at 1 MHz | 0.4 mA to 0.8 mA per channel | DC to 1 MHz logic signal frequency |
| Supply Current (VDD1/VDD2) at 10 Mbps | 1.5 mA to 2.2 mA per channel | 5 MHz logic signal frequency |
| Supply Current (VDD1/VDD2) at 25 Mbps | 3.4 mA to 4.8 mA per channel | 12.5 MHz logic signal frequency |
| Pulse Width Distortion | < 3 ns (CR Grade) | |
| Channel-to-Channel Matching | < 3 ns (CR Grade) | |
| Common-Mode Transient Immunity | > 25 kV/μs | |
| Operating Temperature | -40°C to 125°C | |
| Regulatory Approvals | UL 1577, CSA, VDE Certificate of Conformity |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer across the isolation barrier.
- 3 V/5 V Level Translation: Enables voltage translation between 3 V and 5 V domains.
- High Data Rate: Operates at data rates from dc to 25 Mbps (NRZ).
- 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 operation in noisy environments.
- High Temperature Operation: Capable of operating at temperatures up to 125°C.
- Patented Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
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 to ensure signal integrity.
- Digital Field Bus Isolation: Applicable in industrial automation and control systems.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Qualified for automotive applications, including hybrid electric vehicles and related systems.
Q & A
- What is the maximum data rate of the ADUM1201WTRZ53?
The ADUM1201WTRZ53 can operate at data rates up to 25 Mbps (NRZ).
- What are the supported supply voltage ranges for the ADUM1201WTRZ53?
The component supports supply voltages ranging from 2.7 V to 3.6 V and 4.5 V to 5.5 V for VDD1 and VDD2.
- What is the typical supply current for the ADUM1201WTRZ53 at 1 MHz data rate?
The typical supply current is between 0.4 mA to 0.8 mA per channel at 1 MHz logic signal frequency.
- Does the ADUM1201WTRZ53 support bidirectional communication?
Yes, the ADUM1201WTRZ53 supports bidirectional communication across the isolation barrier.
- What is the maximum operating temperature for the ADUM1201WTRZ53?
The component can operate at temperatures up to 125°C.
- What regulatory approvals does the ADUM1201WTRZ53 have?
The ADUM1201WTRZ53 has approvals from UL 1577, CSA, and VDE Certificate of Conformity.
- What is the common-mode transient immunity of the ADUM1201WTRZ53?
The component has a common-mode transient immunity of >25 kV/μs.
- Is the ADUM1201WTRZ53 suitable for automotive applications?
Yes, the ADUM1201WTRZ53 is qualified for automotive applications and can operate at high temperatures up to 125°C.
- What is the patented refresh feature in the ADUM1201WTRZ53?
The patented 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 ADUM1201WTRZ53?
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.
