Overview
The ADUM2400ARWZ-RL is a 4-channel digital isolator produced by Analog Devices Inc., utilizing the proprietary iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. It is designed to operate with supply voltages ranging from 2.7 V to 5.5 V, enabling compatibility with lower voltage systems and voltage translation across the isolation barrier. The ADUM2400ARWZ-RL features low pulse width distortion and tight channel-to-channel matching, making it suitable for a variety of high-speed and precise digital isolation applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Minimum Pulse Width | PW | 100 ns | ns | CL = 15 pF, CMOS signal levels | ||
| Maximum Data Rate | 1 Mbps | Mbps | CL = 15 pF, CMOS signal levels | |||
| Propagation Delay | tPHL, tPLH | 50 | 70 | 100 | ns | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | PWD | 40 ns | ns | CL = 15 pF, CMOS signal levels | ||
| Propagation Delay Skew | tPSK | 50 ns | ns | CL = 15 pF, CMOS signal levels | ||
| Channel-to-Channel Matching (Codirectional) | tPSKCD | 3 ns | ns | CL = 15 pF, CMOS signal levels | ||
| Channel-to-Channel Matching (Opposing-Directional) | tPSKOD | 6 ns | ns | CL = 15 pF, CMOS signal levels | ||
| Output Supply Current per Channel (Quiescent) | IDDO (Q) | 0.11 | 0.14 | mA | 5 V/3 V Operation, DC to 1 MHz logic signal frequency | |
| Total Supply Current (Four Channels) | IDD1 (Q) | 2.2 | 2.8 | mA | 5 V/3 V Operation, DC to 1 MHz logic signal frequency |
Key Features
- High-Speed Operation: Supports data rates up to 1 Mbps.
- Low Pulse Width Distortion: Less than 40 ns, ensuring accurate signal transmission.
- Tight Channel-to-Channel Matching: Codirectional channels have a matching of less than 3 ns, and opposing-directional channels have a matching of less than 6 ns.
- 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.
- High Isolation Voltage: Provides 5000 Vrms isolation voltage and 25 kV/μs common-mode transient immunity (CMTI).
Applications
- Industrial I/O: Suitable for industrial control systems and automation.
- Automotive Interfaces: Used in automotive systems such as CAN, audio, and Ethernet interfaces.
- RS-232 / RS-422 / RS-485 Interfaces: Ideal for serial communication interfaces.
- Signal Line Protection: Provides protection against high voltage spikes and noise.
- Medical Devices: Can be used in medical devices requiring high isolation and low noise.
Q & A
- What is the maximum data rate supported by the ADUM2400ARWZ-RL?
The ADUM2400ARWZ-RL supports a maximum data rate of 1 Mbps. - What is the operating voltage range for the ADUM2400ARWZ-RL?
The component operates with supply voltages ranging from 2.7 V to 5.5 V. - What is the pulse width distortion of the ADUM2400ARWZ-RL?
The pulse width distortion is less than 40 ns. - What is the propagation delay of the ADUM2400ARWZ-RL?
The propagation delay is between 50 ns and 100 ns. - Does the ADUM2400ARWZ-RL have a refresh feature?
Yes, it has a patented refresh feature to ensure dc correctness. - What is the isolation voltage of the ADUM2400ARWZ-RL?
The isolation voltage is 5000 Vrms. - What is the common-mode transient immunity (CMTI) of the ADUM2400ARWZ-RL?
The CMTI is 25 kV/μs. - What are some common applications of the ADUM2400ARWZ-RL?
Common applications include industrial I/O, automotive interfaces, RS-232 / RS-422 / RS-485 interfaces, signal line protection, and medical devices. - How many channels does the ADUM2400ARWZ-RL have?
The component has 4 channels. - What is the package type of the ADUM2400ARWZ-RL?
The package type is 16-SOIC (0.295", 7.50mm Width).
