Overview
The ADUM141D1BRQZ is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler technology. This device combines high-speed data transfer with robust isolation, making it suitable for a wide range of applications requiring high reliability and safety. The ADUM141D1BRQZ features complementary metal-oxide semiconductor (CMOS) and monolithic air core transformer technology, offering superior performance compared to traditional optocoupler devices and other integrated couplers.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Number of Channels | 4 | - | - | - |
| Withstand Voltage | 3.0 kV rms / 3.75 kV rms | - | - | - |
| Propagation Delay | - | 13 ns (5 V), 15 ns (1.8 V) | - | ns |
| Pulse Width Distortion | - | < 3 ns | - | ns |
| Channel Matching | - | 3.0 ns | - | ns |
| Data Rate | - | 150 Mbps | - | Mbps |
| Supply Voltage Range | 1.8 V | - | 5 V | V |
| Common-Mode Transient Immunity | - | 100 kV/μs | - | kV/μs |
| Safety and Regulatory Approvals | - | UL, CSA, VDE, CQC | - | - |
Key Features
- High-speed data transfer with propagation delays as low as 13 ns at 5 V operation and 15 ns at 1.8 V operation.
- High common-mode transient immunity of 100 kV/μs.
- Robustness to radiated and conducted noise.
- Low dynamic power consumption.
- Voltage translation capability across the isolation barrier, supporting supply voltages from 1.8 V to 5 V.
- Tight channel matching with a maximum of 3.0 ns.
- Fail-safe options to ensure outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- Backward compatibility with previous models (e.g., ADuM1400/ADuM1401/ADuM1402).
Applications
- Industrial I/O and control systems.
- Automotive interfaces (CAN, Audio, Ethernet).
- Medical devices requiring high isolation and safety.
- RS-232 / RS-422 / RS-485 / RS-562 serial communication systems.
- IO-Link and other industrial communication protocols.
- Broadband switches and signal integrity applications.
Q & A
- What is the ADUM141D1BRQZ used for? The ADUM141D1BRQZ is a quad-channel digital isolator used to provide high-speed data transfer with robust electrical isolation, making it suitable for various industrial, automotive, and medical applications.
- What is the maximum data rate of the ADUM141D1BRQZ? The maximum guaranteed data rate is 150 Mbps, although higher data rates are possible.
- What are the supply voltage ranges for the ADUM141D1BRQZ? The device operates with supply voltages ranging from 1.8 V to 5 V on either side of the isolation barrier.
- What safety and regulatory approvals does the ADUM141D1BRQZ have? The device has UL, CSA, VDE, and CQC certifications.
- How does the ADUM141D1BRQZ handle common-mode transients? It has a high common-mode transient immunity of 100 kV/μs.
- What is the propagation delay of the ADUM141D1BRQZ? The propagation delay is 13 ns at 5 V operation and 15 ns at 1.8 V operation.
- Does the ADUM141D1BRQZ support voltage translation? Yes, it supports voltage translation across the isolation barrier.
- What are the fail-safe options for the ADUM141D1BRQZ? The device has fail-safe options to ensure outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- Is the ADUM141D1BRQZ backward compatible with other models? Yes, it is backward compatible with previous models like the ADuM1400/ADuM1401/ADuM1402.
- What is the withstand voltage rating of the ADUM141D1BRQZ? The device has a withstand voltage rating of 3.0 kV rms or 3.75 kV rms.
