Overview
The ADUM2400ARIZ-RL is a 4-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This component is designed to provide high-speed data transfer while maintaining electrical isolation between the input and output sides. It is particularly useful in applications requiring reliable and high-speed communication across different voltage domains and in environments where electrical isolation is crucial for safety and reliability.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD1, VDD2 | 2.7 | - | 5.5 | V | - |
| Maximum Data Rate | - | - | - | 1 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 | CL = 15 pF, CMOS signal levels |
| Propagation Delay Skew | tPSK | - | - | 50 | 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 | - | 0.14 | mA | 5 V/3 V Operation |
| Total Supply Current (Four Channels) | IDD1 (Q), IDD2 (Q) | 1.2 | - | 2.8 | mA | DC to 1 MHz logic signal frequency |
| Isolation Voltage | - | - | - | 5000 Vrms | - | - |
| Common Mode Transient Immunity | CMTI | - | - | 25 kV/μs | - | - |
Key Features
- Bidirectional Communication: Supports bidirectional data transfer across the isolation barrier.
- 3 V/5 V Level Translation: Compatible with both 3 V and 5 V systems, enabling voltage translation across the isolation barrier.
- High Data Rate: Supports data rates up to 1 Mbps.
- Precise Timing Characteristics: Low pulse width distortion (<40 ns) and tight channel-to-channel matching.
- High Temperature Operation: Operates up to 105°C.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and during power-up/power-down conditions.
- Electrical Isolation: Provides 5000 Vrms isolation voltage and 25 kV/μs common mode transient immunity.
Applications
- Industrial I/O: Suitable for industrial control systems where electrical isolation is necessary.
- Automotive Interfaces: Used in automotive systems such as CAN, audio, and Ethernet interfaces.
- Medical Devices: Applicable in medical devices requiring high isolation and reliability.
- Power Supply and Motor Control: Used in power supply and motor control systems to ensure safe and reliable operation.
- Communication Systems: Employed in various communication systems including RS-232, RS-422, and RS-485.
Q & A
- What is the ADUM2400ARIZ-RL used for? The ADUM2400ARIZ-RL is a 4-channel digital isolator used to provide electrical isolation and high-speed data transfer between different voltage domains.
- What are the supply voltage ranges for the ADUM2400ARIZ-RL? The supply voltage ranges from 2.7 V to 5.5 V on both sides of the isolator.
- What is the maximum data rate supported by the ADUM2400ARIZ-RL? The maximum data rate supported is up to 1 Mbps.
- What is the propagation delay of the ADUM2400ARIZ-RL? The propagation delay is between 50 ns and 100 ns.
- Does the ADUM2400ARIZ-RL support level translation? Yes, it supports 3 V/5 V level translation.
- What is the isolation voltage of the ADUM2400ARIZ-RL? The isolation voltage is 5000 Vrms.
- What is the common mode transient immunity (CMTI) of the ADUM2400ARIZ-RL? The CMTI is 25 kV/μs.
- What is the operating temperature range of the ADUM2400ARIZ-RL? The operating temperature range is up to 105°C.
- Does the ADUM2400ARIZ-RL have a refresh feature? Yes, it has a patented refresh feature to ensure dc correctness.
- What are some common applications of the ADUM2400ARIZ-RL? Common applications include industrial I/O, automotive interfaces, medical devices, power supply and motor control, and various communication systems.
