Overview
The ADUM1402BRWZ-RL is a quad-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler® technology, which combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to traditional optocoupler devices. The ADUM1402BRWZ-RL is designed to offer high data rates, low power consumption, and robust isolation, making it suitable for a variety of applications requiring reliable and efficient signal isolation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Input Supply Current per Channel, Quiescent (IDDI(Q)) | 0.50 | 0.53 | mA | DC to 2 Mbps | |
| Output Supply Current per Channel, Quiescent (IDDO(Q)) | 0.19 | 0.21 | mA | DC to 2 Mbps | |
| Total Supply Current, Four Channels (DC to 2 Mbps) | 2.2 | 2.8 | mA | VDD1 Supply Current | |
| Total Supply Current, Four Channels (10 Mbps) | 8.6 | 10.6 | mA | 5 MHz logic signal freq. | |
| Total Supply Current, Four Channels (90 Mbps) | 70 | 100 | mA | 45 MHz logic signal freq. | |
| Maximum Data Rate | 90 Mbps | CRW Grade Only | |||
| Pulse Width Distortion | 40 ns | CL = 15 pF, CMOS signal levels | |||
| Propagation Delay | 50 | 65 | 100 ns | CL = 15 pF, CMOS signal levels | |
| Isolation Voltage | 2500 Vrms | UL recognition for 1 minute per UL 1577 | |||
| Operating Temperature | -40°C | 125°C | |||
| Package Type | 16-lead SOIC wide body |
Key Features
- High-Speed Data Transfer: Supports data rates up to 90 Mbps, making it suitable for high-speed applications.
- Low Power Consumption: Consumes significantly less power compared to optocouplers, with supply currents as low as 0.5 mA per channel at quiescent state.
- Robust Isolation: Provides 2500 Vrms isolation voltage, ensuring reliable signal isolation and safety in various applications.
- Wide Operating Voltage Range: Operates with supply voltages ranging from 2.7 V to 5.5 V, allowing for voltage translation across the isolation barrier.
- Precise Timing Characteristics: Offers low pulse width distortion and tight channel-to-channel matching, ensuring precise timing and reliable data transfer.
- High Temperature Operation: Can operate up to 125°C, making it suitable for high-temperature environments.
- Bidirectional Communication: Supports bidirectional communication and 3 V/5 V level translation.
- Refresh Feature: Ensures dc correctness in the absence of input logic transitions and when power is not applied to one of the supplies).
Applications
- General-Purpose Multichannel Isolation: Suitable for various isolation needs in industrial, medical, and automotive applications).
- SPI Interface/Data Converter Isolation: Used in applications requiring isolated SPI interfaces and data converters).
- RS-232/RS-422/RS-485 Transceivers: Ideal for isolating serial communication interfaces).
- Automotive Systems: Qualified for automotive applications, providing reliable isolation in vehicle systems).
Q & A
- What is the ADUM1402BRWZ-RL used for?
The ADUM1402BRWZ-RL is a quad-channel digital isolator used for isolating digital signals in various applications, including industrial, medical, and automotive systems.
- What is the maximum data rate supported by the ADUM1402BRWZ-RL?
The ADUM1402BRWZ-RL supports data rates up to 90 Mbps.
- What is the isolation voltage of the ADUM1402BRWZ-RL?
The ADUM1402BRWZ-RL provides an isolation voltage of 2500 Vrms.
- What is the operating temperature range of the ADUM1402BRWZ-RL?
The ADUM1402BRWZ-RL can operate from -40°C to 125°C.
- What package type does the ADUM1402BRWZ-RL come in?
The ADUM1402BRWZ-RL comes in a 16-lead SOIC wide body package.
- Is the ADUM1402BRWZ-RL RoHS compliant?
- What are the key advantages of using iCoupler technology in the ADUM1402BRWZ-RL?
iCoupler technology offers low power consumption, precise timing characteristics, and robust isolation, eliminating the design difficulties associated with optocouplers.
- Can the ADUM1402BRWZ-RL be used in automotive applications?
- Does the ADUM1402BRWZ-RL support bidirectional communication?
- What regulatory approvals does the ADUM1402BRWZ-RL have?
The ADUM1402BRWZ-RL has UL recognition, CSA Component Acceptance Notice, VDE Certificate of Conformity, and other safety and regulatory approvals.
