Overview
The ADuM1401BRW-RL is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This device is designed to provide high-speed, low-latency digital isolation, making it suitable for a variety of applications that require reliable and efficient signal transmission across different voltage domains.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Current per Channel, Quiescent | IDDI (Q) | 0.50 | 0.53 | - | mA | DC to 1 MHz logic signal freq. |
| Output Supply Current per Channel, Quiescent | IDDO (Q) | 0.19 | 0.21 | - | mA | DC to 1 MHz logic signal freq. |
| Total Supply Current, Four Channels | IDD1 (Q), IDD2 (Q) | 1.8 | 2.4 | - | mA | DC to 1 MHz logic signal freq. |
| Maximum Data Rate | - | - | - | 10 Mbps | - | CL = 15 pF, CMOS signal levels |
| Propagation Delay | tPHL, tPLH | 50 | 65 | 100 | ns | CL = 15 pF, CMOS signal levels |
| Pulse Width Distortion | PWD | - | - | 40 ns | - | CL = 15 pF, CMOS signal levels |
| Common Mode Transient Immunity (CMTI) | - | - | - | 25 kV/μs | - | - |
| Isolation Voltage | - | - | - | 2500 Vrms | - | - |
Key Features
- Quad-channel digital isolation with 3/1 channel directionality.
- High-speed operation up to 10 Mbps for BRW and CRW grades.
- Low pulse width distortion (<2 ns for CRW grade) and tight channel-to-channel matching (<2 ns for CRW grade).
- Patented refresh feature ensuring dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies.
- High common mode transient immunity (CMTI) of 25 kV/μs.
- Isolation voltage of 2500 Vrms.
Applications
- Automotive interfaces (CAN, audio, Ethernet).
- Industrial I/O and IO-Link.
- Broadband switches and signal integrity applications.
- Controllers and expanders.
- RS-232 / RS-422 / RS-485 / RS-562 serial communication.
- Local Interconnect Network (LIN) transceivers.
Q & A
- What is the ADuM1401BRW-RL used for? The ADuM1401BRW-RL is a quad-channel digital isolator used to provide high-speed, low-latency digital isolation in various applications.
- What is the maximum data rate of the ADuM1401BRW-RL? The maximum data rate is up to 10 Mbps for BRW and CRW grades.
- What is the common mode transient immunity (CMTI) of the ADuM1401BRW-RL? The CMTI is 25 kV/μs.
- What is the isolation voltage of the ADuM1401BRW-RL? The isolation voltage is 2500 Vrms.
- Does the ADuM1401BRW-RL have any special features for ensuring signal integrity? Yes, it includes a patented refresh feature to ensure dc correctness and low pulse width distortion.
- In what package is the ADuM1401BRW-RL available? It is available in a 16-pin SOIC package.
- What are some common applications of the ADuM1401BRW-RL? Common applications include automotive interfaces, industrial I/O, broadband switches, and serial communication interfaces.
- What is the propagation delay of the ADuM1401BRW-RL? The propagation delay is between 50 ns and 100 ns.
- Is the ADuM1401BRW-RL RoHS compliant? No, the ADuM1401BRW is not RoHS compliant.
- What is the quiescent supply current for the ADuM1401BRW-RL? The quiescent supply current is approximately 1.8 mA to 2.4 mA for VDD1 and 1.2 mA to 1.8 mA for VDD2 at DC to 1 MHz logic signal frequency.
