Overview
The ADUM5401ARWZ is a high-performance, quad-channel digital isolator produced by Analog Devices Inc. This component is designed to provide reliable and efficient signal isolation in various industrial and medical applications. It features a high data rate capability and robust common-mode transient immunity, making it suitable for environments with significant electrical noise.
Key Specifications
| Parameter | Value | Conditions |
|---|---|---|
| Supply Voltages (VDD, VISO) | −0.5 V to +7.0 V | |
| Maximum Output Supply Current (IISO(MAX)) | 100 mA (VISO > 4.5 V), 60 mA (VISO > 3.0 V) | dc to 1 MHz logic signal frequency |
| Efficiency at Maximum Output Supply Current | 34% (IISO = 100 mA), 36% (IISO = 60 mA) | dc to 1 MHz logic signal frequency |
| IDD1 Supply Current, No VISO Load | 19-30 mA (IISO = 0 mA, dc to 1 MHz) | |
| IDD1 Supply Current, Full VISO Load | 290 mA (CL = 0 pF, VDD = 4.5 V, IISO = 100 mA) | |
| Logic High Input Threshold | 0.7 × VISO, 0.7 × VIDD1 | |
| Logic Low Input Threshold | 0.3 × VISO, 0.3 × VIDD1 | |
| Logic High Output Voltages | VDD1 − 0.3, VISO − 0.3 (IOx = −20 μA) | |
| Logic Low Output Voltages | 0.0 - 0.1 V (IOx = 20 μA) | |
| Maximum Data Rate | 1 Mbps (CL = 15 pF, CMOS signal levels) | |
| Propagation Delay | 55 - 100 ns | |
| Ambient Operating Temperature (TA) | −40°C to +105°C |
Key Features
- High Data Rate Capability: Supports up to 1 Mbps data rate with CMOS signal levels.
- Robust Common-Mode Transient Immunity: Handles common-mode transients up to ±100 kV/μs.
- Quad-Channel Isolation: Provides four independent isolation channels.
- Low Power Consumption: Efficient operation with supply currents as low as 19-30 mA under no load conditions.
- Wide Operating Temperature Range: Operates from −40°C to +105°C.
- High Efficiency: Achieves efficiency of 34% and 36% at maximum output supply current.
Applications
- Industrial Control Systems: Suitable for use in industrial automation, motor control, and power management systems.
- Medical Devices: Used in medical equipment requiring high isolation and reliability, such as patient monitoring systems and medical imaging devices.
- Automotive Systems: Applicable in automotive electronics for signal isolation in harsh environments.
- Power Supplies and DC-DC Converters: Utilized in power supply units and DC-DC converters to ensure signal integrity and safety.
Q & A
- What is the maximum data rate supported by the ADUM5401ARWZ?
The ADUM5401ARWZ supports a maximum data rate of 1 Mbps with CMOS signal levels.
- What is the operating temperature range of the ADUM5401ARWZ?
The component operates from −40°C to +105°C.
- What is the maximum output supply current of the ADUM5401ARWZ?
The maximum output supply current is 100 mA for VISO > 4.5 V and 60 mA for VISO > 3.0 V.
- How many isolation channels does the ADUM5401ARWZ provide?
The ADUM5401ARWZ provides four independent isolation channels.
- What is the common-mode transient immunity of the ADUM5401ARWZ?
The component can handle common-mode transients up to ±100 kV/μs.
- What are the typical supply currents for the ADUM5401ARWZ under no load conditions?
The supply currents under no load conditions range from 19-30 mA.
- What are the logic high and low input thresholds for the ADUM5401ARWZ?
The logic high input threshold is 0.7 × VISO or VIDD1, and the logic low input threshold is 0.3 × VISO or VIDD1.
- What are the typical logic high and low output voltages for the ADUM5401ARWZ?
The logic high output voltage is VDD1 − 0.3 or VISO − 0.3, and the logic low output voltage is between 0.0 and 0.1 V.
- What is the propagation delay of the ADUM5401ARWZ?
The propagation delay ranges from 55 to 100 ns.
- In which types of applications is the ADUM5401ARWZ commonly used?
The ADUM5401ARWZ is commonly used in industrial control systems, medical devices, automotive systems, and power supplies.
