Overview
The ADuM1200WSRZ53, 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-latency isolation between two independent channels, ensuring reliable and precise data transmission across the isolation barrier. The ADuM1200WSRZ53 is particularly suited for applications requiring high data rates, voltage translation, and robust common-mode transient immunity.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 | - | 5.5 | V | For 3 V/5 V operation |
| Input Current per Channel | - | - | 0.8 mA (0 Mbps to 2 Mbps), 2.2 mA (10 Mbps), 4.8 mA (25 Mbps) | mA | At different data rates |
| Logic High Input Threshold | 0.7 (VDD1 or VDD2) | - | - | V | - |
| Logic Low Input Threshold | 0.3 (VDD1 or VDD2) | - | - | V | - |
| Logic High Output Voltage | - | - | 3.0 V (IOx = -20 µA), 2.8 V (IOx = -4 mA) | V | For VDD1 or VDD2 |
| Logic Low Output Voltage | 0.0 | - | 0.1 V (IOx = 20 µA), 0.4 V (IOx = 4 mA) | V | For VDD1 or VDD2 |
| Maximum Data Rate | - | - | 25 Mbps | Mbps | - |
| Pulse Width Distortion | - | - | 3 ns | ns | - |
| Common-Mode Transient Immunity | - | - | 25 kV/µs | kV/µs | - |
| Operating Temperature | -40 | - | 125 | °C | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps with low pulse width distortion (<3 ns) and tight channel-to-channel matching (<3 ns).
- Voltage Translation: Capable of 3 V/5 V level translation, making it versatile for various system configurations.
- High Common-Mode Transient Immunity: Offers >25 kV/µs common-mode transient immunity, ensuring robust performance in noisy environments.
- Automotive Grade: Qualified for automotive applications with operation up to 125°C.
- Refresh Feature: Patented refresh feature ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Safety and Regulatory Approvals: Meets UL 1577, CSA, and VDE safety standards, ensuring compliance with various regulatory requirements.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited but multiple isolation channels are required.
- SPI Interface/Data Converter Isolation: Suitable for isolating SPI interfaces and data converters in various systems.
- RS-232/RS-422/RS-485 Transceiver Isolation: Used in serial communication systems to ensure reliable data transmission.
- Digital Field Bus Isolation: Applicable in industrial automation and control systems.
- Hybrid Electric Vehicles, Battery Monitor, and Motor Drive: Qualified for use in automotive systems, including battery monitoring and motor drive applications.
Q & A
- What is the maximum data rate supported by the ADuM1200WSRZ53?
The ADuM1200WSRZ53 supports data rates up to 25 Mbps. - What is the common-mode transient immunity of the ADuM1200WSRZ53?
The common-mode transient immunity is >25 kV/µs. - Does the ADuM1200WSRZ53 support voltage translation?
Yes, it supports 3 V/5 V level translation. - What is the operating temperature range of the ADuM1200WSRZ53?
The operating temperature range is -40°C to 125°C. - Is the ADuM1200WSRZ53 qualified for automotive applications?
Yes, it is qualified for automotive applications. - What safety and regulatory approvals does the ADuM1200WSRZ53 have?
The ADuM1200WSRZ53 meets UL 1577, CSA, and VDE safety standards. - What is the pulse width distortion of the ADuM1200WSRZ53?
The pulse width distortion is less than 3 ns. - Does the ADuM1200WSRZ53 have a refresh feature?
Yes, it has a patented refresh feature to ensure dc correctness. - What are some typical applications of the ADuM1200WSRZ53?
Typical applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, digital field bus isolation, and hybrid electric vehicles, battery monitor, and motor drive. - How do I calculate the supply current for the ADuM1200WSRZ53?
The supply current can be calculated based on the supply voltage, data rate, and output load as described in the Power Consumption section of the datasheet.
