Overview
The ADUM121N0WBRZ-RL7 is a dual-channel digital isolator produced by Analog Devices Inc., utilizing the company's proprietary iCoupler technology. This device combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to optocouplers and other integrated couplers. It is designed to offer high isolation voltage, low propagation delay, and tight channel matching, making it suitable for a variety of applications requiring reliable and high-speed data transfer across isolation barriers.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Supply Voltage | VDD1, VDD2 | 1.8 | - | 5.5 | V | - |
| Isolation Voltage | VISO | - | - | 3000 | Vrms | - |
| Propagation Delay | tPHL, tPLH | 4.8 | 6.8 | 14 | ns | 50% input to 50% output |
| Pulse Width Distortion | PWD | 0.7 | - | 3 | ns | |tPLH − tPHL| |
| Channel Matching | tPSKCD, tPSKOD | 0.7 | - | 3.0 | ns | Codirectional and Opposing Direction |
| Operating Temperature | TA | -40 | - | 125 | °C | - |
| Data Rate | - | - | - | 150 | Mbps | - |
Key Features
- High-Speed Data Transfer: Supports data rates up to 150 Mbps.
- Low Propagation Delay: Maximum propagation delay of 14 ns with a pulse width distortion of less than 3 ns.
- Tight Channel Matching: Channel matching is tight at 3.0 ns maximum.
- High Isolation Voltage: Withstands isolation voltage of up to 3 kV rms.
- Wide Operating Temperature Range: Operates from -40°C to +125°C.
- Low Power Consumption: Supply currents are specified with 50% duty cycle signals, ranging from 2.4 mA to 8.0 mA depending on the supply voltage.
- Compact Packaging: Available in an 8-lead SOIC package.
Applications
- Industrial I/O: Suitable for industrial control systems and automation.
- Automotive Interfaces: Used in automotive systems such as CAN, audio, and Ethernet interfaces.
- Medical Devices: Applicable in medical equipment requiring high isolation and reliability.
- Power Supplies: Used in isolated power supply designs to ensure safety and reliability.
- Communication Systems: Employed in various communication protocols like RS-232, RS-422, RS-485, and more.
Q & A
- What is the ADUM121N0WBRZ-RL7 used for?
The ADUM121N0WBRZ-RL7 is a dual-channel digital isolator used to provide high-speed data transfer across isolation barriers in various applications.
- What is the maximum data rate supported by the ADUM121N0WBRZ-RL7?
The device supports data rates up to 150 Mbps.
- What is the maximum propagation delay of the ADUM121N0WBRZ-RL7?
The maximum propagation delay is 14 ns.
- What is the isolation voltage rating of the ADUM121N0WBRZ-RL7?
The device has an isolation voltage rating of up to 3 kV rms.
- What is the operating temperature range of the ADUM121N0WBRZ-RL7?
The device operates from -40°C to +125°C.
- What package type is the ADUM121N0WBRZ-RL7 available in?
The device is available in an 8-lead SOIC package.
- What are some common applications of the ADUM121N0WBRZ-RL7?
Common applications include industrial I/O, automotive interfaces, medical devices, power supplies, and communication systems.
- How does the ADUM121N0WBRZ-RL7 compare to optocouplers?
The ADUM121N0WBRZ-RL7 offers superior performance characteristics, including lower propagation delay and tighter channel matching, compared to optocouplers.
- What is the typical supply current for the ADUM121N0WBRZ-RL7?
The supply current ranges from 2.4 mA to 8.0 mA depending on the supply voltage and duty cycle.
- Is the ADUM121N0WBRZ-RL7 RoHS compliant?
Yes, the ADUM121N0WBRZ-RL7 is RoHS compliant.
