Overview
The ADUM242E1BRIZ is a quad-channel digital isolator from Analog Devices Inc., based on their proprietary iCoupler® technology. This component combines high-speed, complementary metal-oxide semiconductor (CMOS) and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers. It is designed for high common-mode transient immunity, low propagation delay, and robustness to radiated and conducted noise, making it suitable for a variety of industrial and automotive applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Propagation Delay (tPHL, tPLH) | 50 | 70 | 100 | ns | CL = 15 pF, CMOS signal levels |
| Common-Mode Transient Immunity | 75 | 100 | kV/μs | VIx = VDDx, VCM = 1000 V, transient magnitude = 800 V | |
| Data Rate | 150 | Mbps | |||
| Supply Voltage (VDDx) | 1.8 | 5 | V | ||
| Supply Current (IDDx) at 1 MHz | 1.6 | 2.46 | mA | VI5 = 0 (E0, D0), 1 (E1, D1) | |
| Dynamic Supply Current | 0.01 | mA/Mbps | Inputs switching, 50% duty cycle | ||
| Output Rise/Fall Time (tR/tF) | 2.5 | 10 | ns | 10% to 90% | |
| Isolation Voltage | 5000 | Vrms | UL recognition per UL 1577 |
Key Features
- High common-mode transient immunity: up to 100 kV/μs
- Low propagation delay: 13 ns maximum for 5 V operation and 15 ns maximum for 1.8 V operation
- High data rate: up to 150 Mbps
- Fail-safe high or low options
- Backward compatibility with ADuM2400/ADuM2401/ADuM2402
- Low dynamic power consumption
- 1.8 V to 5 V level translation
- High temperature operation: up to 125°C
- Safety and regulatory approvals: UL, CSA, VDE, and CQC certifications
Applications
- General-purpose multichannel isolation
- Serial peripheral interface (SPI)/data converter isolation
- Industrial field bus isolation
- Automotive applications
Q & A
- What is the ADUM242E1BRIZ used for?
The ADUM242E1BRIZ is used for quad-channel digital isolation in various applications, including general-purpose multichannel isolation, SPI/data converter isolation, industrial field bus isolation, and automotive applications. - What is the maximum data rate of the ADUM242E1BRIZ?
The maximum guaranteed data rate is 150 Mbps. - What are the supply voltage options for the ADUM242E1BRIZ?
The component operates with supply voltages ranging from 1.8 V to 5 V. - What is the propagation delay of the ADUM242E1BRIZ?
The propagation delay is 13 ns maximum for 5 V operation and 15 ns maximum for 1.8 V operation. - Does the ADUM242E1BRIZ have fail-safe options?
Yes, it offers fail-safe high or low options. - What are the safety and regulatory approvals for the ADUM242E1BRIZ?
The component has UL, CSA, VDE, and CQC certifications. - How robust is the ADUM242E1BRIZ to noise?
The component has high common-mode transient immunity and is robust to radiated and conducted noise. - What is the maximum operating temperature of the ADUM242E1BRIZ?
The maximum operating temperature is 125°C. - Is the ADUM242E1BRIZ backward compatible with other models?
Yes, it is pin compatible with the ADuM2400/ADuM2401/ADuM2402 models. - What is the isolation voltage rating of the ADUM242E1BRIZ?
The isolation voltage rating is 5000 Vrms according to UL recognition per UL 1577.
