Overview
The ADUM7241CRZ-RL7, produced by Analog Devices Inc., is a dual-channel digital isolator based on the iCoupler® technology. This component combines high-speed CMOS and monolithic air core transformer technologies to provide superior performance characteristics compared to alternatives like optocoupler devices and other integrated couplers. The ADUM7241CRZ-RL7 is packaged in a narrow-body 8-lead SOIC and offers a cost-effective solution for applications requiring functional isolation up to 1 kV.
Key Specifications
| Parameter | Value |
|---|---|
| Data Rate | Up to 25 Mbps (NRZ) |
| Isolation Voltage | 1 kV |
| Supply Voltage | 3.0 V to 5.5 V (VDD1 and VDD2) |
| Operating Temperature | -40°C to +105°C |
| Output Rise/Fall Time | 2.5 ns (10% to 90%) |
| Common-Mode Transient Immunity | >15 kV/μs |
| Quiescent Output Supply Current | 0.59 mA to 0.80 mA |
| Dynamic Input Supply Current | 0.25 mA/Mbps |
| Dynamic Output Supply Current | 0.02 mA/Mbps |
| Refresh Rate | 600 kHz (DC data inputs) |
Key Features
- Bidirectional communication capability
- High-speed data transfer up to 25 Mbps
- Low power consumption: one-tenth to one-sixth of comparable isolators
- Input glitch filter to protect against extraneous noise disturbances
- Low pulse width distortion (<5 ns for C grade)
- High common-mode transient immunity (>15 kV/μs)
- 3 V/5 V level translation
- High temperature operation: up to 105°C
Applications
- General-purpose multichannel isolation
- Data converter isolation
- Industrial field bus isolation
- Other applications requiring high-speed digital isolation
Q & A
- What is the maximum data rate of the ADUM7241CRZ-RL7?
The maximum data rate is up to 25 Mbps (NRZ). - What is the isolation voltage of the ADUM7241CRZ-RL7?
The isolation voltage is 1 kV. - What is the operating temperature range of the ADUM7241CRZ-RL7?
The operating temperature range is -40°C to +105°C. - Does the ADUM7241CRZ-RL7 support bidirectional communication?
Yes, it supports bidirectional communication. - What is the typical quiescent output supply current of the ADUM7241CRZ-RL7?
The typical quiescent output supply current is between 0.59 mA and 0.80 mA. - What is the common-mode transient immunity of the ADUM7241CRZ-RL7?
The common-mode transient immunity is greater than 15 kV/μs. - Does the ADUM7241CRZ-RL7 have input glitch filtering?
Yes, it has an input glitch filter to protect against extraneous noise disturbances. - What is the package type of the ADUM7241CRZ-RL7?
The package type is a narrow-body 8-lead SOIC. - Is the ADUM7241CRZ-RL7 suitable for high-temperature applications?
Yes, it is suitable for high-temperature applications up to 105°C. - What are some typical applications of the ADUM7241CRZ-RL7?
Typical applications include general-purpose multichannel isolation, data converter isolation, and industrial field bus isolation.
