Overview
The ADuM2400CRWZ-RL is a 4-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. The ADuM2400CRWZ-RL is designed to operate with supply voltages ranging from 2.7 V to 5.5 V, making it compatible with both lower voltage systems and enabling voltage translation across the isolation barrier.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Minimum Pulse Width | PW | 8.3 ns | - | 11.1 ns | - | CL = 15 pF, CMOS signal levels |
| Maximum Data Rate | - | - | - | 10 Mbps | - | CL = 15 pF, CMOS signal levels |
| Propagation Delay | tPHL, tPLH | 20 ns | - | 50 ns | - | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | PWD | - | - | 3 ns | - | CL = 15 pF, CMOS signal levels |
| Propagation Delay Skew | tPSK | - | - | 22 ns | - | CL = 15 pF, CMOS signal levels |
| Channel-to-Channel Matching (Codirectional) | tPSKCD | - | - | 3 ns | - | CL = 15 pF, CMOS signal levels |
| Channel-to-Channel Matching (Opposing-Directional) | tPSKOD | - | - | 6 ns | - | CL = 15 pF, CMOS signal levels |
| Output Supply Current per Channel (Quiescent) | IDDO (Q) | 0.11 mA | - | 0.14 mA | - | 5 V/3 V Operation |
| Total Supply Current, Four Channels | IDD1 (Q) | 1.2 mA | - | 1.9 mA | - | DC to 1 MHz logic signal frequency, 3 V/5 V Operation |
Key Features
- High-Speed Operation: Supports data rates up to 10 Mbps.
- Low Pulse Width Distortion: Less than 2 ns for CRWZ grade, ensuring minimal signal distortion.
- Tight Channel-to-Channel Matching: Less than 2 ns for codirectional channels and 6 ns for opposing-directional channels.
- Voltage Translation: Operates with supply voltages ranging from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions).
- Low Power Consumption: Quiescent supply current as low as 0.11 mA per channel).
Applications
- Automotive Interfaces: CAN, audio, Ethernet).
- Industrial I/O: IO-Link, industrial control systems).
- RS-232 / RS-422 / RS-485 / RS-562 Interfaces: Serial communication systems).
- Signal Integrity and Protection: Signal line protection and signal integrity applications).
- USB Products: USB interfaces requiring isolation).
- Broadband Switches and Gigabit Multimedia Serial Link (GMSL): High-speed data transmission systems).
Q & A
- What is the ADuM2400CRWZ-RL used for?
The ADuM2400CRWZ-RL is a 4-channel digital isolator used to provide electrical isolation between different parts of a system while maintaining high-speed data communication.
- What are the operating voltage ranges for the ADuM2400CRWZ-RL?
The ADuM2400CRWZ-RL operates with supply voltages ranging from 2.7 V to 5.5 V.
- What is the maximum data rate supported by the ADuM2400CRWZ-RL?
The ADuM2400CRWZ-RL supports data rates up to 10 Mbps.
- What is the pulse width distortion of the ADuM2400CRWZ-RL?
The pulse width distortion is less than 2 ns for the CRWZ grade.
- Does the ADuM2400CRWZ-RL have any special features for ensuring signal integrity?
Yes, it includes a patented refresh feature to ensure dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- What are some common applications of the ADuM2400CRWZ-RL?
Common applications include automotive interfaces, industrial I/O, RS-232 / RS-422 / RS-485 / RS-562 interfaces, signal integrity and protection, and USB products.
- How does the ADuM2400CRWZ-RL compare to optocoupler devices?
The ADuM2400CRWZ-RL offers superior performance characteristics compared to traditional optocoupler devices, including higher speed and lower power consumption.
- What is the typical quiescent supply current per channel for the ADuM2400CRWZ-RL?
The typical quiescent supply current per channel is 0.11 mA for 5 V/3 V operation.
- Does the ADuM2400CRWZ-RL support voltage translation?
Yes, it supports voltage translation across the isolation barrier.
- What is the propagation delay of the ADuM2400CRWZ-RL?
The propagation delay is between 20 ns and 50 ns.
