Overview
The ADUM1445ARSZ from Analog Devices Inc. is a micropower, quad-channel digital isolator that leverages the company's iCoupler® technology. This device is designed to provide high-speed, low-power data transmission with superior performance characteristics compared to traditional optocoupler devices. The ADUM1445ARSZ is particularly suited for applications where energy efficiency and reliability are crucial. It operates with supply voltages as low as 2.25 V and offers significant board space savings due to its compact 20-lead SSOP package.
Key Specifications
| Parameter | Value | Unit | Comments |
|---|---|---|---|
| Number of Channels | 4 | - | - |
| Data Rate | 2 Mb/s | - | - |
| Isolation Voltage | 2500 Vrms | - | - |
| Isolation Type | Magnetic Coupling | - | - |
| Supply Voltage - Min | 2.25 V | - | - |
| Supply Voltage - Max | 3.6 V | - | - |
| Propagation Delay Time | 180 ns | - | - |
| Minimum Operating Temperature | -40°C | - | - |
| Maximum Operating Temperature | +125°C | - | - |
| Quiescent Current per Channel (ENx low) | 2.6 - 3.3 µA | µA | Input Supply |
| Quiescent Current per Channel (ENx high) | 0.05 µA | µA | Input (Refresh Off) |
| Dynamic Supply Current per Channel | 76 µA/Mbps (Input), 41 µA/Mbps (Output) | µA/Mbps | - |
| Output Rise Time/Fall Time | 2 ns (10% to 90%) | ns | - |
| Common-Mode Transient Immunity | 25 kV/µs | kV/µs | - |
Key Features
- High-Speed Communication: Enables data rates up to 2 Mb/s.
- Low Power Consumption: Current per channel drops to less than 1 µA when internal refresh is disabled.
- Innovative Architecture: Utilizes iCoupler® technology for superior performance over optocoupler devices.
- Improved System Reliability: Offers low pulse width distortion and an input glitch filter to protect against noise disturbances.
- Compact and Durable Design: Packaged in a 20-lead SSOP, saving significant board space.
- Real-Time Monitoring Capabilities: Supports real-time data transmission and monitoring.
- Error Correction and Data Integrity: Ensures seamless and reliable data transfer.
Applications
The ADUM1445ARSZ is suitable for a variety of applications, including:
- Industrial Automation and Control: Where reliable and high-speed data transmission is critical.
- Medical Devices: Requires high isolation voltages and low power consumption.
- Aerospace and Defense:
- Applications requiring robust and reliable data isolation.
- Automotive Systems: For secure and efficient data communication in vehicle systems.
- Power Supplies and DC-DC Converters: To ensure isolated feedback and control signals.
Q & A
- Q: What is the ADUM1445ARSZ used for?
A: The ADUM1445ARSZ is a micropower, quad-channel digital isolator used for secure and high-speed data transmission in various applications.
- Q: What is the maximum data rate of the ADUM1445ARSZ?
A: The maximum data rate of the ADUM1445ARSZ is 2 Mb/s.
- Q: What is the isolation voltage of the ADUM1445ARSZ?
A: The isolation voltage of the ADUM1445ARSZ is 2500 Vrms.
- Q: What are the operating temperature ranges for the ADUM1445ARSZ?
A: The ADUM1445ARSZ operates from -40°C to +125°C.
- Q: How much current does the ADUM1445ARSZ consume per channel when internal refresh is disabled?
A: The current per channel drops to less than 1 µA when internal refresh is disabled.
- Q: What type of package does the ADUM1445ARSZ come in?
A: The ADUM1445ARSZ is packaged in a 20-lead SSOP.
- Q: Does the ADUM1445ARSZ have any built-in protection against noise disturbances?
A: Yes, it has an input glitch filter to protect against extraneous noise disturbances.
- Q: What is the typical propagation delay time of the ADUM1445ARSZ?
A: The typical propagation delay time is 180 ns.
- Q: Is the ADUM1445ARSZ compliant with any regulatory standards?
A: Yes, it meets regulatory requirements such as UL and CSA standards.
- Q: What is the warranty period for the ADUM1445ARSZ if purchased from Ovaga?
A: Ovaga offers a 1-year warranty on the ADUM1445ARSZ.
