Overview
The ADUM5240ARZ, produced by Analog Devices Inc., is a dual-channel digital isolator that integrates an isolated DC-to-DC converter using the iCoupler® technology. This component is designed to provide reliable and efficient signal isolation and power transfer in various applications. The ADUM5240ARZ features a regulated 5 V output with a current capability of up to 10 mA, making it suitable for low-power isolated designs. The device operates within a high temperature range and offers precise timing characteristics, ensuring reliable performance in demanding environments.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Input-to-Output Resistance | RI-O | 10^12 | Ω | |||
| Input-to-Output Capacitance | CI-O | 1.0 | pF | f = 1 MHz | ||
| Input Capacitance | CI | 4.0 | pF | |||
| Junction-to-Air Thermal Resistance | θJA | 80 | °C/W | |||
| Propagation Delay | 70 | ns | ||||
| Pulse Width Distortion | 3 | ns | ||||
| Channel-to-Channel Matching | 3 | ns | ||||
| Common-Mode Transient Immunity | >25 | kV/μs | ||||
| Output Voltage | VISO | 5 | V | |||
| Output Current | 10 | mA |
Key Features
- Integrated isolated DC-to-DC converter providing up to 50 mW of regulated power at 5 V.
- Dual-channel digital isolation with data rates up to 1 Mbps (NRZ).
- Narrow-body, 8-lead SOIC package.
- RoHS compliant.
- High temperature operation up to 105°C.
- Precise timing characteristics with 3 ns maximum pulse width distortion and 3 ns maximum channel-to-channel matching.
- High common-mode transient immunity (>25 kV/μs).
- Safety and regulatory approvals including UL recognition, CSA Component Acceptance Notice #5A, and VDE certificate of conformity.
Applications
- Industrial I/O and control systems.
- Automotive interfaces (CAN, Audio, Ethernet).
- Medical devices requiring isolation.
- Industrial automation and control systems.
- Power supply and DC-DC converter designs.
- Any application requiring reliable signal isolation and integrated power transfer.
Q & A
- What is the primary function of the ADUM5240ARZ?
The ADUM5240ARZ is a dual-channel digital isolator with an integrated isolated DC-to-DC converter, providing both signal isolation and regulated power.
- What is the maximum data rate supported by the ADUM5240ARZ?
The ADUM5240ARZ supports data rates up to 1 Mbps (NRZ).
- What is the output voltage and current of the integrated DC-to-DC converter?
The integrated DC-to-DC converter provides a regulated 5 V output with a current capability of up to 10 mA.
- What are the key safety and regulatory approvals for the ADUM5240ARZ?
The ADUM5240ARZ has UL recognition, CSA Component Acceptance Notice #5A, and VDE certificate of conformity.
- What is the maximum operating temperature of the ADUM5240ARZ?
The ADUM5240ARZ can operate up to 105°C.
- What is the common-mode transient immunity of the ADUM5240ARZ?
The ADUM5240ARZ has a common-mode transient immunity of >25 kV/μs.
- What package type is the ADUM5240ARZ available in?
The ADUM5240ARZ is available in a narrow-body, 8-lead SOIC package.
- Is the ADUM5240ARZ RoHS compliant?
Yes, the ADUM5240ARZ is RoHS compliant.
- What are some typical applications for the ADUM5240ARZ?
Typical applications include industrial I/O, automotive interfaces, medical devices, and any system requiring reliable signal isolation and integrated power transfer.
- What technology is used for the isolation in the ADUM5240ARZ?
The ADUM5240ARZ uses Analog Devices' iCoupler® technology for signal isolation.
