Overview
The ADUM1201WSRZ33 is a dual-channel digital isolator produced by Analog Devices Inc. It is based on the company's iCoupler technology, which provides high-speed data transfer and electrical isolation between two independent channels. This component is designed to ensure reliable and precise communication across the isolation barrier, making it suitable for a variety of applications that require high data rates and robust isolation.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Data Rate | dc to 25 Mbps (NRZ) | |
| Pulse Width Distortion | < 3 ns (CR Grade) | |
| Channel-to-Channel Matching | < 3 ns (CR Grade) | |
| Supply Current (VDD1) at 0 Mbps to 2 Mbps | 0.4 mA to 0.8 mA | DC to 1 MHz logic signal frequency |
| Supply Current (VDD1) at 10 Mbps | 1.5 mA to 2.2 mA | 5 MHz logic signal frequency |
| Supply Current (VDD1) at 25 Mbps | 3.4 mA to 4.8 mA | 12.5 MHz logic signal frequency |
| Input Threshold (Logic High) | 0.7 * (VDD1 or VDD2) | |
| Input Threshold (Logic Low) | 0.3 * (VDD1 or VDD2) | |
| Output Voltage (Logic High) | (VDD1 or VDD2) - 0.1 V to (VDD1 or VDD2) - 0.5 V | IOx = -20 µA, VIx = VIxH |
| Output Voltage (Logic Low) | 0.0 V to 0.1 V | IOx = 20 µA, VIx = VIxL |
| Operating Temperature | -40°C to 125°C | |
| Common-Mode Transient Immunity | >25 kV/μs | |
| Safety and Regulatory Approvals | UL recognition 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice 5A, VDE Certificate of Conformity DIN V VDE V 0884-10:2006-12 |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer across the isolation barrier.
- 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 Temperature Operation: Qualified for operation up to 125°C.
- Voltage Translation: Supports 3 V/5 V level translation.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Common-Mode Transient Immunity: >25 kV/μs.
- Safety and Regulatory Approvals: UL, CSA, and VDE certified.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited.
- SPI Interface/Data Converter Isolation: Used in SPI and data converter interfaces to ensure isolation.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for serial communication interfaces.
- Digital Field Bus Isolation: Used in various field bus applications.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Qualified for automotive applications.
Q & A
- What is the maximum data rate of the ADUM1201WSRZ33?
The ADUM1201WSRZ33 operates at data rates up to 25 Mbps (NRZ).
- What is the operating temperature range of the ADUM1201WSRZ33?
The component operates from -40°C to 125°C.
- Does the ADUM1201WSRZ33 support bidirectional communication?
- What is the common-mode transient immunity of the ADUM1201WSRZ33?
The component has a common-mode transient immunity of >25 kV/μs.
- What safety and regulatory approvals does the ADUM1201WSRZ33 have?
- What is the supply current of the ADUM1201WSRZ33 at 10 Mbps?
- Does the ADUM1201WSRZ33 support voltage translation?
- What is the pulse width distortion of the ADUM1201WSRZ33?
- What are some typical applications of the ADUM1201WSRZ33?
- Does the ADUM1201WSRZ33 have a refresh feature?
