Overview
The ADuM1400WTRWZ-RL is a quad-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology, which combines high-speed CMOS and monolithic air core transformer technology. This design eliminates the use of LEDs and photodiodes, thereby avoiding the typical issues associated with optocouplers such as uncertain current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects. The ADuM1400WTRWZ-RL offers superior performance characteristics, low power consumption, and high reliability, making it an ideal choice for various isolation applications.
Key Specifications
Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
---|---|---|---|---|---|---|
Supply Voltage | VDD1, VDD2 | 2.7 | - | 5.5 | V | - |
Maximum Data Rate | - | - | - | 120 | Mbps | CL = 15 pF, CMOS signal levels |
Propagation Delay | tPHL, tPLH | 20 | 34 | 45 | ns | CL = 15 pF, CMOS signal levels |
Pulse Width Distortion | PWD | 0.5 | - | 2 | ns | CL = 15 pF, CMOS signal levels |
Channel-to-Channel Matching | tPSKCD/tPSKOD | 2 | - | 5 | ns | CL = 15 pF, CMOS signal levels |
Operating Temperature Range | - | -40 | - | 125 | °C | - |
Package Type | - | - | - | 16-Lead SOIC_W | - | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 120 Mbps, making it suitable for high-speed applications.
- Low Power Consumption: Consumes significantly less power compared to optocouplers, with a maximum of 1.0 mA per channel at 0 Mbps to 2 Mbps.
- High Isolation Performance: Utilizes iCoupler technology to provide superior isolation characteristics without the need for LEDs and photodiodes.
- Voltage Translation: Operates with supply voltages ranging from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier.
- Pulse Width Distortion and Channel Matching: Offers low pulse width distortion and tight channel-to-channel matching, ensuring reliable data transfer.
- Refresh Feature: Includes a patented refresh feature to ensure dc correctness even in the absence of input logic transitions or when power is not applied to one of the supplies.
Applications
- Industrial Control Systems: Suitable for use in industrial control systems where high-speed data transfer and isolation are critical.
- Automotive Systems: Qualified for automotive applications, providing reliable performance in harsh environments.
- Medical Devices: Used in medical devices where isolation is essential for patient safety and data integrity.
- Power Supplies and DC-DC Converters: Ideal for applications requiring isolation in power supplies and DC-DC converters.
- Communication Systems: Applicable in communication systems that require high-speed data transfer with isolation.
Q & A
- What is the ADuM1400WTRWZ-RL used for?
The ADuM1400WTRWZ-RL is a quad-channel digital isolator used for high-speed data transfer with isolation, commonly in industrial, automotive, medical, and communication systems.
- What is the maximum data rate of the ADuM1400WTRWZ-RL?
The maximum data rate of the ADuM1400WTRWZ-RL is up to 120 Mbps.
- What is the operating temperature range of the ADuM1400WTRWZ-RL?
The operating temperature range is from -40°C to 125°C.
- What package type does the ADuM1400WTRWZ-RL come in?
The ADuM1400WTRWZ-RL comes in a 16-Lead SOIC_W package.
- How does the ADuM1400WTRWZ-RL differ from optocouplers?
The ADuM1400WTRWZ-RL uses iCoupler technology, avoiding LEDs and photodiodes, which eliminates issues like uncertain current transfer ratios and nonlinear transfer functions associated with optocouplers.
- What is the power consumption of the ADuM1400WTRWZ-RL?
The ADuM1400WTRWZ-RL consumes a maximum of 1.0 mA per channel at 0 Mbps to 2 Mbps.
- Does the ADuM1400WTRWZ-RL support voltage translation?
Yes, it operates with supply voltages ranging from 2.7 V to 5.5 V, enabling voltage translation across the isolation barrier.
- What is the significance of the refresh feature in the ADuM1400WTRWZ-RL?
The refresh feature ensures dc correctness even in the absence of input logic transitions or when power is not applied to one of the supplies.
- Is the ADuM1400WTRWZ-RL qualified for automotive applications?
Yes, it is qualified for automotive applications.
- What is the typical propagation delay of the ADuM1400WTRWZ-RL?
The typical propagation delay is between 20 ns to 45 ns.