Overview
The ADUM1200WSRZ35-RL7 is a dual-channel digital isolator produced by Analog Devices Inc. This component is designed to provide high-speed, low-power isolation for digital signals, making it suitable for a variety of applications that require electrical isolation and data integrity.
The device features magnetic coupling technology, which ensures reliable and efficient data transfer between isolated channels. It is part of the ADuM1200 series, known for its high data rates and robust common-mode transient immunity.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VDD1, VDD2) | 2.7 | - | 3.6 | V | - |
| Input Supply Current per Channel (IDDI(Q)) | 0.26 | 0.35 | - | mA | Quiescent, DC to 2 Mbps |
| Output Supply Current per Channel (IDDO(Q)) | 0.11 | 0.20 | - | mA | Quiescent, DC to 2 Mbps |
| Data Rate | - | - | 25 | Mbps | - |
| Propagation Delay (tPHL, tPLH) | - | - | 150 | ns | - |
| Pulse Width Distortion (PWD) | - | - | 40 | ns | - |
| Common-Mode Transient Immunity | 25 | - | - | kV/μs | - |
| Operating Temperature | -40 | - | 125 | °C | - |
| Isolation Voltage | - | - | 2500 | Vrms | - |
| Package/Case | - | - | - | 8-SOIC (0.154", 3.90mm Width) | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 25 Mbps, making it suitable for high-speed applications.
- Low Power Consumption: Quiescent supply currents as low as 0.26 mA per channel, reducing overall power consumption.
- High Common-Mode Transient Immunity: Offers immunity to common-mode transients greater than 25 kV/μs, ensuring robust operation in noisy environments.
- Precise Timing Characteristics: Features low pulse width distortion and propagation delay skew, ensuring accurate and reliable data transfer.
- Wide Operating Temperature Range: Operates from -40°C to 125°C, making it suitable for a variety of environmental conditions.
- 3 V/5 V Level Translation: Supports level translation between 3 V and 5 V systems, enhancing compatibility with different voltage systems.
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 converter applications to ensure electrical isolation and data integrity.
- RS-232/RS-422/RS-485 Transceiver Isolation: Suitable for isolating serial communication interfaces to prevent ground loops and noise.
- Digital Field Bus Isolation: Applied in digital field bus systems to ensure reliable and isolated data communication.
- Automotive Applications: Qualified for use in hybrid electric vehicles, battery monitors, and motor drives due to its robust specifications and automotive-grade certification.
Q & A
- What is the maximum data rate supported by the ADUM1200WSRZ35-RL7?
The ADUM1200WSRZ35-RL7 supports data rates up to 25 Mbps.
- What is the typical supply current per channel at quiescent state?
The typical supply current per channel at quiescent state is 0.35 mA for the input side and 0.20 mA for the output side.
- What is the common-mode transient immunity of the ADUM1200WSRZ35-RL7?
The common-mode transient immunity is greater than 25 kV/μs.
- What is the operating temperature range of the ADUM1200WSRZ35-RL7?
The operating temperature range is from -40°C to 125°C.
- What is the isolation voltage rating of the ADUM1200WSRZ35-RL7?
The isolation voltage rating is 2500 Vrms.
- What package type is the ADUM1200WSRZ35-RL7 available in?
The ADUM1200WSRZ35-RL7 is available in an 8-SOIC package.
- Is the ADUM1200WSRZ35-RL7 suitable for automotive applications?
- What is the propagation delay of the ADUM1200WSRZ35-RL7?
The propagation delay (tPHL, tPLH) is up to 150 ns.
- Does the ADUM1200WSRZ35-RL7 support level translation between different voltage systems?
- What safety and regulatory approvals does the ADUM1200WSRZ35-RL7 have?
