Overview
The ADUM1240ARZ-RL7 is a micropower, 2-channel digital isolator produced by Analog Devices Inc. It utilizes the iCoupler® technology, combining high-speed CMOS and monolithic air core transformer technologies to provide superior performance compared to traditional optocoupler devices. This isolator is designed for general-purpose, low-power, multichannel isolation and is approved by various safety and regulatory standards, including UL 1577, CSA Component Acceptance Notice 5A, and VDE certificate of conformity.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | |
| Inputs - Side 1/Side 2 | 2/0 | |
| Channel Type | Unidirectional | |
| Voltage - Isolation | 3000 Vrms | |
| Common Mode Transient Immunity (Min) | 25 kV/μs | |
| Data Rate | 2 Mbps | |
| Propagation Delay tpLH / tpHL (Max) | 180 ns / 180 ns | |
| Pulse Width Distortion (Max) | 8 ns | |
| Rise / Fall Time (Typ) | 2 ns / 2 ns | |
| Voltage - Supply | 2.25 V ~ 3.6 V | |
| Package Style | 8-lead SOIC-N | |
| Operating Temperature | -40°C to +125°C |
Key Features
- Bidirectional communication capability.
- High common-mode transient immunity of up to 40 kV/μs.
- Low quiescent current: 0.1 μA per channel with refresh disabled.
- Dynamic current: 116 μA/Mbps per channel typical.
- High data rate of up to 2 Mbps nonreturn to zero (NRZ).
- Small package options: 8-lead SOIC-N.
- High temperature operation: up to 125°C.
- Safety and regulatory approvals: UL 1577, CSA, VDE, and DIN V VDE V 0884-10.
Applications
- General-purpose, low-power, multichannel isolation.
- 1 MHz low power serial peripheral interface (SPI).
- 4 mA to 20 mA loop process control.
Q & A
- What is the ADUM1240ARZ-RL7 used for?
The ADUM1240ARZ-RL7 is used for general-purpose, low-power, multichannel isolation, including applications such as 1 MHz low power SPI and 4 mA to 20 mA loop process control.
- What is the isolation voltage of the ADUM1240ARZ-RL7?
The isolation voltage of the ADUM1240ARZ-RL7 is 3000 Vrms.
- What is the data rate of the ADUM1240ARZ-RL7?
The data rate of the ADUM1240ARZ-RL7 is up to 2 Mbps.
- What is the propagation delay of the ADUM1240ARZ-RL7?
The propagation delay of the ADUM1240ARZ-RL7 is up to 180 ns.
- What is the common-mode transient immunity of the ADUM1240ARZ-RL7?
The common-mode transient immunity of the ADUM1240ARZ-RL7 is up to 40 kV/μs.
- What is the operating temperature range of the ADUM1240ARZ-RL7?
The operating temperature range of the ADUM1240ARZ-RL7 is -40°C to +125°C.
- What package style does the ADUM1240ARZ-RL7 come in?
The ADUM1240ARZ-RL7 comes in an 8-lead SOIC-N package.
- Is the ADUM1240ARZ-RL7 bidirectional?
- What are the safety and regulatory approvals for the ADUM1240ARZ-RL7?
The ADUM1240ARZ-RL7 is approved by UL 1577, CSA Component Acceptance Notice 5A, VDE certificate of conformity, and DIN V VDE V 0884-10.
- What is the quiescent current of the ADUM1240ARZ-RL7 per channel?
The quiescent current of the ADUM1240ARZ-RL7 is 0.1 μA per channel with refresh disabled.
- Can the ADUM1240ARZ-RL7 be used in high-temperature environments?
