Overview
The ADUM1245ARZ-RL7, produced by Analog Devices Inc., is a micropower, 2-channel digital isolator based on the iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technologies to provide superior performance characteristics compared to traditional optocoupler devices. It is designed for low-power, high-speed applications and offers excellent isolation and reliability features.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Quiescent Current per Channel (Refresh Disabled) | - | 0.1 | - | μA | ENx = 1 |
| Dynamic Current per Channel | - | 116 | - | μA/Mbps | 2 Mbps, no load |
| Data Rate | - | Up to 2 | - | Mbps | Nonreturn to zero (NRZ) |
| Operating Temperature | -40 | - | 125 | °C | |
| Common-Mode Transient Immunity | - | - | >25 | kV/μs | |
| Isolation Voltage (UL 1577) | - | - | 3000 V rms | - | For 1 minute, 8-lead SOIC |
| Input Threshold Logic High | 0.7 VDDx | - | - | V | |
| Input Threshold Logic Low | 0.3 VDDx | - | - | V | |
| Output Voltages Logic High | VDDx - 0.1 | - | 3.3 V | - | IOUTx = -20 μA, VIx = VIxH |
| Output Voltages Logic Low | 0.0 | - | 0.1 V | - | IOUTx = 20 μA, VIx = VIxL |
| Input Current per Channel | -1 | 0.01 | 1 | μA | 0 V ≤ VIx ≤ VDDx |
| Package Type | - | - | - | 8-lead SOIC |
Key Features
- Micropower operation with quiescent current as low as 0.1 μA per channel when refresh is disabled.
- High-speed data transfer up to 2 Mbps with nonreturn to zero (NRZ) encoding.
- High common-mode transient immunity of >25 kV/μs.
- High temperature operation up to 125°C.
- Bidirectional communication capability.
- Small package options including 8-lead SOIC.
- Safety and regulatory approvals such as UL 1577, CSA, and VDE certifications.
Applications
- General-purpose, low-power, multichannel isolation.
- 1 MHz low-power serial peripheral interface (SPI).
- 4 mA to 20 mA loop process control.
- Automotive interfaces (CAN, Audio, Ethernet).
- Industrial I/O and IO-Link applications.
- Broadband switches and signal integrity solutions.
Q & A
- What is the ADUM1245ARZ-RL7 used for? The ADUM1245ARZ-RL7 is used for low-power, high-speed digital isolation in various applications including industrial I/O, automotive interfaces, and process control.
- What is the maximum data rate of the ADUM1245ARZ-RL7? The maximum data rate is up to 2 Mbps with nonreturn to zero (NRZ) encoding.
- What is the quiescent current per channel when refresh is disabled? The quiescent current per channel is less than 0.1 μA when refresh is disabled.
- What are the safety and regulatory approvals for the ADUM1245ARZ-RL7? It has approvals such as UL 1577, CSA, and VDE certifications.
- What is the operating temperature range of the ADUM1245ARZ-RL7? The operating temperature range is from -40°C to 125°C.
- What package types are available for the ADUM1245ARZ-RL7? It is available in an 8-lead SOIC package.
- What is the common-mode transient immunity of the ADUM1245ARZ-RL7? The common-mode transient immunity is >25 kV/μs.
- Is the ADUM1245ARZ-RL7 suitable for bidirectional communication? Yes, it supports bidirectional communication.
- What are some of the applications where the ADUM1245ARZ-RL7 can be used? It can be used in general-purpose isolation, SPI interfaces, process control, automotive interfaces, and industrial I/O.
- What technology is used in the ADUM1245ARZ-RL7? It uses Analog Devices' iCoupler technology, combining CMOS and monolithic air core transformer technologies.
