Overview
The ADUM1285CRZ-RL7, produced by Analog Devices Inc., is a dual-channel digital isolator that utilizes the iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technology to provide superior performance characteristics compared to optocoupler devices and other integrated couplers. It is designed for applications requiring high data rates, low propagation delay, and robust isolation.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Test Conditions |
|---|---|---|---|---|---|---|
| Data Rate | - | 1 Mbps | - | 100 Mbps | - | NRZ |
| Propagation Delay | - | - | 23 ns | - | - | - |
| Supply Voltage | VDDx | 3.3 V | - | 5 V | - | - |
| Supply Current (No Load) | IDD1 | 1.6 mA | 2.1 mA | 3.8 mA | - | - |
| Supply Current (No Load) | IDD2 | 1.7 mA | 2.3 mA | 3.9 mA | - | - |
| Logic High Input Threshold | VIH | 0.7 VDDx | - | - | V | - |
| Logic Low Input Threshold | VIL | 0.3 VDDx | - | - | V | - |
| Input-to-Output Resistance | RI-O | 10^13 Ω | - | - | Ω | - |
| Input-to-Output Capacitance | CI-O | 2 pF | - | - | pF | f = 1 MHz |
Key Features
- Up to 100 Mbps data rate (NRZ)
- Low propagation delay: 23 ns typical
- Low dynamic power consumption
- Bidirectional communication
- 3.3 V to 5 V level translation
- High temperature operation: up to 125°C
- High common-mode transient immunity: >25 kV/μs
- Tight channel-to-channel matching: 5 ns for C grade
Applications
- Industrial I/O
- Automotive Interfaces (CAN, Audio, Ethernet)
- RS-232 / RS-422 / RS-485 / RS-562
- Local Interconnect Transceivers (LIN TxRx)
- LVDS/MLVDS
- Signal Line Protection
- IO-Link
Q & A
- What is the maximum data rate of the ADUM1285CRZ-RL7?
The maximum data rate is up to 100 Mbps (NRZ). - What is the typical propagation delay of the ADUM1285CRZ-RL7?
The typical propagation delay is 23 ns. - What are the supported supply voltages for the ADUM1285CRZ-RL7?
The supported supply voltages are 3.3 V to 5 V. - Does the ADUM1285CRZ-RL7 support bidirectional communication?
Yes, it supports bidirectional communication. - What is the maximum operating temperature of the ADUM1285CRZ-RL7?
The maximum operating temperature is up to 125°C. - What is the common-mode transient immunity of the ADUM1285CRZ-RL7?
The common-mode transient immunity is >25 kV/μs. - How many channels does the ADUM1285CRZ-RL7 have?
The ADUM1285CRZ-RL7 has two independent isolation channels. - What is the input-to-output resistance of the ADUM1285CRZ-RL7?
The input-to-output resistance is 10^13 Ω. - What is the input-to-output capacitance of the ADUM1285CRZ-RL7?
The input-to-output capacitance is 2 pF at f = 1 MHz. - Is the ADUM1285CRZ-RL7 RoHS compliant?
Yes, the ADUM1285CRZ-RL7 is RoHS compliant.
