Overview
The ADUM251N1BRIZ-RL is a 5-channel digital isolator produced by Analog Devices Inc., utilizing the company's 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 reliability and robust isolation, making it suitable for a variety of applications requiring data isolation and voltage translation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Withstand Voltage | 5.0 kV rms | UL 1577, CSA, VDE certified | |||
| Supply Voltage | 1.7 | 5.5 | V | On either side of the isolation barrier | |
| Propagation Delay | 13 ns | Maximum at 5 V operation | |||
| Pulse Width Distortion | 4.5 ns | At 5 V operation | |||
| Channel to Channel Matching | 4.0 ns | Maximum propagation delay difference | |||
| Output Rise/Fall Time | 2.5 ns | 10% to 90% | |||
| Common-Mode Transient Immunity | 100 kV/μs | Transient magnitude = 800 V | |||
| Package Type | 16-lead, RoHS compliant, wide-body SOIC | ||||
| Operating Temperature | -40 | 125 | °C |
Key Features
- High-speed data transfer with a maximum propagation delay of 13 ns and pulse width distortion of less than 4.5 ns.
- Fail-safe high or low options to ensure output state in the absence of input power supply.
- Low dynamic power consumption with dynamic supply current inputs switching at 50% duty cycle.
- High common-mode transient immunity of 100 kV/μs.
- Voltage translation capability across the isolation barrier with supply voltages ranging from 1.7 V to 5.5 V on either side.
- Robust isolation with UL, CSA, and VDE certifications for 5.0 kV rms withstand voltage.
Applications
- General-purpose multichannel isolation.
- Serial peripheral interface (SPI) and data converter isolation.
- Industrial field bus isolation.
Q & A
- What is the maximum withstand voltage of the ADUM251N1BRIZ-RL? The maximum withstand voltage is 5.0 kV rms.
- What is the operating temperature range of the ADUM251N1BRIZ-RL? The operating temperature range is from -40°C to 125°C.
- What is the propagation delay of the ADUM251N1BRIZ-RL? The maximum propagation delay is 13 ns at 5 V operation.
- Does the ADUM251N1BRIZ-RL support voltage translation? Yes, it supports voltage translation with supply voltages ranging from 1.7 V to 5.5 V on either side of the isolation barrier.
- What is the common-mode transient immunity of the ADUM251N1BRIZ-RL? The common-mode transient immunity is 100 kV/μs.
- What package type is the ADUM251N1BRIZ-RL available in? It is available in a 16-lead, RoHS compliant, wide-body SOIC package.
- Does the ADUM251N1BRIZ-RL have fail-safe options? Yes, it has fail-safe high or low options to ensure output state in the absence of input power supply.
- What are the typical applications of the ADUM251N1BRIZ-RL? Typical applications include general-purpose multichannel isolation, SPI/data converter isolation, and industrial field bus isolation.
- Is the ADUM251N1BRIZ-RL compliant with RoHS standards? Yes, it is RoHS compliant.
- What is the dynamic power consumption of the ADUM251N1BRIZ-RL? The dynamic supply current inputs switching at 50% duty cycle are 0.01 mA/Mbps for both input and output.
