Overview
The ADUM1402CRWZ is a quad-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This device combines high-speed CMOS and monolithic transformer technology to provide reliable and high-speed data isolation. It is designed to meet the needs of various industrial, automotive, and medical applications where data isolation is critical for safety and performance.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input Supply Current per Channel, Quiescent | IDDI (Q) | 0.50 | 0.53 | mA | 5 V/3 V Operation | |
| 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) | 2.2 | 2.8 | mA | DC to 1 MHz logic signal freq., 5 V/3 V Operation | |
| Maximum Data Rate | 10 | 90 | Mbps | CL = 15 pF, CMOS signal levels (BRW and CRW Grades) | ||
| Propagation Delay | tPHL, tPLH | 20 | 34 | 45 ns | CL = 15 pF, CMOS signal levels | |
| Pulse Width Distortion | PWD | 0.5 | 2 | ns | CL = 15 pF, CMOS signal levels | |
| Output Disable Propagation Delay | tPHZ, tPLZ | 6 | 8 | ns | High/Low to High Impedance |
Key Features
- Quad-channel digital isolation with high-speed data transfer rates up to 90 Mbps (CRW Grade).
- Low propagation delay and pulse width distortion, ensuring high signal integrity.
- Support for various supply voltages (3 V and 5 V) and low quiescent current consumption.
- High channel-to-channel matching and propagation delay skew, making it suitable for applications requiring precise timing.
- Compliance with automotive and industrial standards, including AEC-Q100 qualification for automotive use.
Applications
- Industrial I/O and control systems where data isolation is crucial for safety and reliability.
- Automotive systems, including CAN, audio, and Ethernet interfaces.
- Medical devices requiring high isolation and low noise.
- IO-Link and other industrial communication protocols.
- General-purpose digital isolation in mixed-signal designs.
Q & A
- What is the ADUM1402CRWZ used for? The ADUM1402CRWZ is a quad-channel digital isolator used for isolating digital signals in various applications, ensuring safety and performance.
- What are the maximum data rates supported by the ADUM1402CRWZ? The device supports maximum data rates of up to 90 Mbps for the CRW grade and 10 Mbps for the BRW grade.
- What are the typical supply currents for the ADUM1402CRWZ? The typical supply currents are 2.2 mA to 2.8 mA for VDD1 and 0.5 mA to 0.9 mA for VDD2 at 5 V/3 V operation.
- What is the propagation delay of the ADUM1402CRWZ? The propagation delay is typically between 20 ns and 45 ns.
- Is the ADUM1402CRWZ suitable for automotive applications? Yes, it is AEC-Q100 qualified, making it suitable for automotive use.
- What are the key features of the ADUM1402CRWZ? Key features include high-speed data transfer, low propagation delay, and support for various supply voltages.
- What is the pulse width distortion of the ADUM1402CRWZ? The pulse width distortion is typically between 0.5 ns and 2 ns.
- Can the ADUM1402CRWZ be used in medical devices? Yes, it is suitable for medical devices due to its high isolation and low noise characteristics.
- What is the output disable propagation delay of the ADUM1402CRWZ? The output disable propagation delay is typically between 6 ns and 8 ns.
- What are some common applications of the ADUM1402CRWZ? Common applications include industrial I/O, automotive systems, medical devices, and general-purpose digital isolation in mixed-signal designs.
