Overview
The ADuM262N1BRIZ is a 6-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This device is designed to provide high-speed digital isolation, ensuring reliable and efficient data transfer across different voltage domains. It is particularly useful in applications requiring high common-mode transient immunity and low propagation delay.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Supply Voltage (VDDx) | 1.7 | - | 5.5 | V | - |
| Propagation Delay | - | 13 | - | ns | - |
| Pulse Width Distortion | - | - | 4.5 | ns | At 5 V operation |
| Channel to Channel Matching | - | - | 4.0 | ns | Maximum |
| Withstand Voltage Rating | - | - | 5.0 kV rms | - | - |
| Dynamic Supply Current (IDDI/IDDO) | - | - | 0.01 mA/Mbps | - | Inputs switching, 50% duty cycle |
| Output Rise/Fall Time (tR/tF) | - | - | 10 ns | - | 10% to 90% |
| Common-Mode Transient Immunity | - | - | 100 kV/µs | - | VCM = 1000 V, transient magnitude = 800 V |
Key Features
- High-speed digital isolation with a propagation delay of 13 ns and pulse width distortion of less than 4.5 ns at 5 V operation.
- High common-mode transient immunity of up to 100 kV/µs.
- Independent data channels with a withstand voltage rating of 5.0 kV rms.
- Operates with supply voltages ranging from 1.7 V to 5.5 V, enabling voltage translation across the isolation barrier.
- Two different fail-safe options to ensure outputs transition to a predetermined state when the input power supply is not applied.
- Low dynamic supply current of 0.01 mA/Mbps for inputs switching at 50% duty cycle.
Applications
- Industrial I/O and control systems.
- Automotive interfaces (CAN, Audio, Ethernet).
- IO-Link and other industrial communication protocols.
- Medical devices requiring high isolation and low noise.
- Powerline communications and signal integrity applications.
- RS-232 / RS-422 / RS-485 / RS-562 serial bus systems.
Q & A
- What is the ADuM262N1BRIZ used for?
The ADuM262N1BRIZ is used for high-speed digital isolation in various applications, ensuring reliable data transfer across different voltage domains. - What is the propagation delay of the ADuM262N1BRIZ?
The propagation delay is 13 ns. - What is the common-mode transient immunity of the ADuM262N1BRIZ?
The common-mode transient immunity is up to 100 kV/µs. - What is the withstand voltage rating of the ADuM262N1BRIZ?
The withstand voltage rating is 5.0 kV rms. - What is the operating supply voltage range for the ADuM262N1BRIZ?
The operating supply voltage range is from 1.7 V to 5.5 V. - Does the ADuM262N1BRIZ support fail-safe options?
Yes, it supports two different fail-safe options to ensure outputs transition to a predetermined state when the input power supply is not applied. - What are some typical applications of the ADuM262N1BRIZ?
Typical applications include industrial I/O, automotive interfaces, IO-Link, medical devices, powerline communications, and serial bus systems. - How does the ADuM262N1BRIZ handle dynamic supply current?
The dynamic supply current is 0.01 mA/Mbps for inputs switching at 50% duty cycle. - What technology does the ADuM262N1BRIZ use for isolation?
The ADuM262N1BRIZ uses Analog Devices' iCoupler technology for digital isolation. - Is the ADuM262N1BRIZ compatible with lower voltage systems?
Yes, it is compatible with lower voltage systems due to its operating supply voltage range from 1.7 V to 5.5 V.
