Overview
The ADUM1246ARSZ-RL7 is a micropower, 2-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, which ensures high isolation and low power consumption. It is designed for applications requiring reliable and efficient data transfer across different voltage domains.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Quiescent Current per Channel (Refresh Enabled, 3.3V) | 3.1 | 5.6 | - | μA | - |
| Quiescent Current per Channel (Refresh Disabled, 3.3V) | 0.1 | 0.3 | - | μA | - |
| Dynamic Current per Channel (3.3V, 2 Mbps) | - | 148 | - | μA/Mbps | - |
| Data Rate | - | 2 | - | Mbps | Nonreturn to zero (NRZ) |
| Input Threshold Logic High | 0.7 VDDx1 | - | - | V | - |
| Input Threshold Logic Low | 0.3 VDDx1 | - | - | V | - |
| Output Voltage Logic High | VDDx1 - 0.1 | - | 3.3 | V | IOUTx = -20 μA, VIx = VIxH |
| Output Voltage Logic Low | 0.0 | - | 0.1 | V | IOUTx = 20 μA, VIx = VIxL |
| Common-Mode Transient Immunity | 25 | - | 40 | kV/μs | VIx = VDDx1, VCM = 1000 V, transient magnitude = 800 V |
| Isolation Voltage | - | - | 3750 | V rms | For 1 minute per UL 1577 (20-lead SSOP) |
Key Features
- Ultralow power operation with quiescent currents as low as 0.1 μA per channel when refresh is disabled.
- Support for 3.3 V and 2.5 V operation.
- High data rate of up to 2 Mbps with nonreturn to zero (NRZ) encoding.
- Bidirectional communication capability.
- High temperature operation up to 125°C.
- High common-mode transient immunity of >25 kV/μs.
- Compact packaging options including 20-lead SSOP and 8-lead SOIC.
Applications
- General-purpose, low power, multichannel isolation.
- 1 MHz low power serial peripheral interface (SPI).
- 4 mA to 20 mA loop process control.
- Industrial automation and control systems.
- Medical devices requiring high isolation.
- Automotive systems where isolation is critical.
Q & A
- What is the ADUM1246ARSZ-RL7 used for?
The ADUM1246ARSZ-RL7 is used for digital isolation in various applications, ensuring reliable and efficient data transfer across different voltage domains while maintaining high isolation. - What are the key features of the ADUM1246ARSZ-RL7?
Key features include ultralow power operation, support for 3.3 V and 2.5 V operation, high data rate up to 2 Mbps, bidirectional communication, and high temperature operation. - What is the maximum data rate of the ADUM1246ARSZ-RL7?
The maximum data rate is up to 2 Mbps with nonreturn to zero (NRZ) encoding. - What are the packaging options for the ADUM1246ARSZ-RL7?
The component is available in 20-lead SSOP and 8-lead SOIC packages. - What is the common-mode transient immunity of the ADUM1246ARSZ-RL7?
The common-mode transient immunity is >25 kV/μs. - What are the regulatory approvals for the ADUM1246ARSZ-RL7?
The component has approvals from UL 1577, CSA, and VDE, ensuring compliance with various safety standards. - What is the isolation voltage rating for the ADUM1246ARSZ-RL7?
The isolation voltage rating is up to 3750 V rms for 1 minute per UL 1577 for the 20-lead SSOP package. - How does the ADUM1246ARSZ-RL7 handle high temperatures?
The component can operate at temperatures up to 125°C. - What are some typical applications of the ADUM1246ARSZ-RL7?
Typical applications include general-purpose isolation, low power SPI, 4 mA to 20 mA loop process control, industrial automation, and medical devices. - Is the ADUM1246ARSZ-RL7 suitable for automotive applications?
Yes, it is suitable for automotive applications where high isolation and reliability are critical.
