Overview
The ADUM120N0BRZ is a dual-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This component combines high-speed, complementary metal-oxide semiconductor (CMOS) and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers. The ADUM120N0BRZ is designed to ensure high-speed data transfer with minimal distortion and offers robust isolation capabilities, making it suitable for a variety of applications requiring reliable and isolated data communication.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|---|
| Supply Voltage | VDDx | 1.8 | - | 5 | V | - |
| Maximum Propagation Delay | tP | - | - | 13 | ns | - |
| Pulse Width Distortion | tPW | - | - | 3 | ns | At 5 V operation |
| Channel Matching | tM | - | - | 3.0 | ns | - |
| Withstand Voltage Rating | VISO | - | - | 3 kV rms | - | - |
| Dynamic Supply Current | IDDx | 3.9 | 5.8 | - | mA | VI4 = 1 (N0), 0 (N1) |
| Input Capacitance | CI | - | - | 4.0 | pF | From any input data pin to ground |
| Thermal Resistance (Junction to Ambient) | θJA | - | - | 80 | °C/W | Thermocouple located at center of package underside |
Key Features
- High-Speed Data Transfer: The ADUM120N0BRZ offers a maximum propagation delay of 13 ns and a pulse width distortion of less than 3 ns, ensuring high-speed data communication.
- Robust Isolation: With a withstand voltage rating of 3 kV rms, this isolator provides reliable electrical isolation between the input and output sides.
- Fail-Safe Options: The device includes fail-safe options where the outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- Voltage Translation: The ADUM120N0BRZ supports voltage translation across the isolation barrier, operating with supply voltages ranging from 1.8 V to 5 V on either side.
- Low Dynamic Supply Current: The device features low dynamic supply current, making it energy-efficient for various applications.
Applications
- Industrial Automation: Used in industrial control systems, motor control, and sensor interfaces where isolation is critical.
- Medical Devices: Applied in medical equipment to ensure patient safety by providing electrical isolation.
- Automotive Systems: Utilized in automotive electronics for isolated communication in CAN, Ethernet, and other automotive interfaces.
- Power Supplies and DC-DC Converters: Employed to isolate feedback signals and control circuits in power supply designs.
- Test and Measurement Equipment: Used in test and measurement instruments to isolate signals and ensure accurate readings.
Q & A
- What is the maximum propagation delay of the ADUM120N0BRZ?
The maximum propagation delay is 13 ns.
- What is the withstand voltage rating of the ADUM120N0BRZ?
The withstand voltage rating is 3 kV rms.
- What is the operating supply voltage range for the ADUM120N0BRZ?
The supply voltage range is from 1.8 V to 5 V on either side.
- Does the ADUM120N0BRZ support fail-safe operation?
Yes, the device includes fail-safe options where the outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- What is the typical dynamic supply current of the ADUM120N0BRZ?
The typical dynamic supply current is 5.8 mA.
- What is the input capacitance of the ADUM120N0BRZ?
The input capacitance is 4.0 pF from any input data pin to ground.
- What is the thermal resistance (junction to ambient) of the ADUM120N0BRZ?
The thermal resistance is 80 °C/W.
- In what types of applications is the ADUM120N0BRZ commonly used?
The ADUM120N0BRZ is commonly used in industrial automation, medical devices, automotive systems, power supplies, and test and measurement equipment.
- Is the ADUM120N0BRZ pin-compatible with other Analog Devices isolators?
Yes, the ADUM120N0BRZ is pin-compatible with other models such as the ADuM1285, ADuM1280, and ADuM1200.
- What technology does the ADUM120N0BRZ use for isolation?
The ADUM120N0BRZ uses Analog Devices' iCoupler® technology, which combines CMOS and monolithic air core transformer technology.
