Overview
The ADUM120N1BRZ-RL7 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 ADUM120N series is designed to offer high data rates, precise timing characteristics, and robust isolation, 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 |
|---|---|---|---|---|---|---|
| Withstand Voltage | - | - | - | 3 kV rms | - | |
| Supply Voltage | VDD1, VDD2 | 1.8 | - | 5 | V | Operation range: 1.7 V to 1.9 V for 1.8 V operation, and 4.5 V to 5.5 V for 5 V operation |
| Propagation Delay | tPHL, tPLH | - | - | 13 ns | ns | At 5 V operation |
| Pulse Width Distortion | PWD | - | - | 3 ns | ns | At 5 V operation |
| Channel Matching | - | - | - | 3.0 ns | ns | Maximum |
| Data Rate | - | - | - | 150 Mbps | Mbps | At 5 V operation |
| Supply Current Side 1 | IDD1 | 2.4 | - | 8.0 | mA | At 1.8 V operation, 50% duty cycle signals |
| Supply Current Side 2 | IDD2 | 2.9 | - | 7.7 | mA | At 1.8 V operation, 50% duty cycle signals |
| Input Capacitance | CI | - | - | 4.0 pF | pF | From any input data pin to ground |
| Input to Output Capacitance | CI-O | - | - | 2 pF | pF | f = 1 MHz |
Key Features
- High-Speed Data Transfer: Supports data rates up to 150 Mbps.
- Precise Timing Characteristics: Maximum propagation delay of 13 ns and pulse width distortion of less than 3 ns at 5 V operation.
- Tight Channel Matching: Maximum channel matching of 3.0 ns.
- Voltage Translation: Operates with supply voltages ranging from 1.8 V to 5 V, enabling voltage translation across the isolation barrier.
- Fail-Safe Options: Outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled.
- High Common-Mode Transient Immunity: Greater than 25 kV/μs.
- Safety and Regulatory Approvals: UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity.
Applications
- Size-Critical Multichannel Isolation: Ideal for applications where space is limited but multiple isolation channels are required.
- SPI Interface/Data Converter Isolation: Suitable for isolating SPI interfaces and data converters in various systems.
- RS-232/RS-422/RS-485 Transceiver Isolation: Used in serial communication systems to ensure isolation between transceivers.
- Digital Field Bus Isolation: Applicable in industrial automation and control systems requiring reliable data isolation.
- Automotive Applications: Qualified for use in hybrid electric vehicles, battery monitors, and motor drives).
Q & A
- What is the maximum withstand voltage of the ADUM120N1BRZ-RL7?
The maximum withstand voltage is 3 kV rms.
- What are the supported supply voltage ranges for the ADUM120N1BRZ-RL7?
The device operates with supply voltages ranging from 1.8 V to 5 V).
- What is the maximum data rate supported by the ADUM120N1BRZ-RL7?
The maximum data rate is 150 Mbps at 5 V operation).
- What is the propagation delay of the ADUM120N1BRZ-RL7?
The maximum propagation delay is 13 ns at 5 V operation).
- Does the ADUM120N1BRZ-RL7 support fail-safe options?
Yes, the device has fail-safe options where outputs transition to a predetermined state when the input power supply is not applied or the inputs are disabled).
- What are some of the regulatory approvals for the ADUM120N1BRZ-RL7?
The device has UL recognition, CSA Component Acceptance Notice, and VDE Certificate of Conformity).
- What are some common applications of the ADUM120N1BRZ-RL7?
Common applications include size-critical multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceiver isolation, digital field bus isolation, and automotive applications).
- What is the input capacitance of the ADUM120N1BRZ-RL7?
The input capacitance is 4.0 pF from any input data pin to ground).
- What is the input to output capacitance of the ADUM120N1BRZ-RL7?
The input to output capacitance is 2 pF at f = 1 MHz).
- Is the ADUM120N1BRZ-RL7 suitable for high-temperature operations?
Yes, the device supports high-temperature operation up to 125°C).
