Overview
The ADUM5400ARWZ from Analog Devices Inc. is a quad-channel digital isolator that integrates an isolated dc-to-dc converter using the isoPower® technology. This device is designed to provide up to 500 mW of regulated, isolated power with input and output voltages of 5.0 V. The ADUM5400 eliminates the need for a separate isolated dc-to-dc converter in low-power, isolated designs, making it a compact and efficient solution for various industrial and communication applications.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Input Voltage | VDD1 | -0.5 | - | 7.0 | V | Relative to GND1 |
| Output Voltage | VISO | -0.5 | - | 7.0 | V | Relative to GNDISO |
| Output Power | - | - | - | 500 mW | - | - |
| Maximum Data Rate | - | - | - | 25 Mbps | - | Within PWD limit |
| Propagation Delay | tPHL, tPLH | 45 | 60 | 100 | ns | 50% input to 50% output |
| Pulse Width Distortion | PWD | - | 6 | - | ns | |tPLH − tPHL| |
| Operating Temperature Range | TA | -40 | - | 105 | °C | - |
| Storage Temperature Range | TST | -55 | - | 150 | °C | - |
Key Features
- Integrated, isolated dc-to-dc converter using isoPower® technology, providing up to 500 mW of regulated power with 5.0 V input and output voltages.
- Quad-channel digital isolator with data rates up to 25 Mbps (NRZ).
- Schmitt trigger inputs for improved noise immunity.
- 16-lead SOIC package with >7.6 mm creepage distance.
- High temperature operation: up to 105°C maximum.
- High common-mode transient immunity: >25 kV/μs.
- Safety and regulatory approvals: UL recognition 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice #5A, VDE certificate of conformity.
- Undervoltage lockout (UVLO) with hysteresis on VDD1, VDDL, and VISO power supplies to prevent oscillation due to noisy input power or slow power-on ramp rates.
Applications
- RS-232/RS-422/RS-485 transceivers.
- Industrial field bus isolation.
- Power supply start-up bias and gate drives.
- Isolated sensor interfaces.
- Industrial PLCs.
- Automotive interfaces, servers, information communications, power meters, and other industrial control systems.
Q & A
- What is the ADUM5400ARWZ?
The ADUM5400ARWZ is a quad-channel digital isolator with an integrated, isolated dc-to-dc converter using isoPower® technology from Analog Devices Inc..
- What are the input and output voltages of the ADUM5400ARWZ?
The device operates with input and output voltages of 5.0 V).
- What is the maximum data rate supported by the ADUM5400ARWZ?
The ADUM5400ARWZ supports data rates up to 25 Mbps (NRZ)).
- What is the maximum operating temperature of the ADUM5400ARWZ?
The device can operate up to a maximum temperature of 105°C).
- What safety and regulatory approvals does the ADUM5400ARWZ have?
The device has UL recognition 2500 V rms for 1 minute per UL 1577, CSA Component Acceptance Notice #5A, and VDE certificate of conformity).
- What are some common applications of the ADUM5400ARWZ?
Common applications include RS-232/RS-422/RS-485 transceivers, industrial field bus isolation, power supply start-up bias and gate drives, isolated sensor interfaces, and industrial PLCs).
- Does the ADUM5400ARWZ require external interface circuitry for logic interfaces?
No, the ADUM5400ARWZ does not require external interface circuitry for the logic interfaces).
- What is the significance of the undervoltage lockout (UVLO) feature in the ADUM5400ARWZ?
The UVLO feature prevents the converter from entering oscillation due to noisy input power or slow power-on ramp rates).
- How does the ADUM5400ARWZ handle high common-mode transients?
The device has high common-mode transient immunity of >25 kV/μs).
- What is the package type and creepage distance of the ADUM5400ARWZ?
The device is packaged in a 16-lead SOIC with a creepage distance of >7.6 mm).
