Overview
The ADUM7642CRQZ-RL7 is a 6-channel digital isolator produced by Analog Devices Inc., utilizing the company's iCoupler® technology. This device is designed for applications requiring functional isolation and is packaged in a compact 20-lead QSOP, offering space savings and a lower cost compared to higher isolation voltage solutions. It operates with supply voltages ranging from 3.0V to 5.5V and is known for its low power consumption, making it an efficient choice for various digital isolation needs.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Number of Channels | 6 | - | - |
| Maximum Data Rate | 25 | Mbps | - |
| Propagation Delay | 14 (typ), 50 (max) | ns | 5V operation, 50% input to 50% output |
| Pulse Width Distortion | 2 (typ), 6 (max) | ns | - |
| Supply Voltage Range | 3.0V to 5.5V | V | Both VDD1 and VDD2 sides |
| Operating Temperature Range | -40°C to +105°C | °C | - |
| Common-Mode Transient Immunity | >15 kV/μs | kV/μs | - |
| Package Type | 20-lead QSOP | - | - |
| Isolation Voltage | 1 kV RMS | kV | - |
Key Features
- Bidirectional communication
- 3 V/5 V level translation
- High temperature operation up to 105°C
- High common-mode transient immunity of >15 kV/μs
- Low power consumption, using one-tenth to one-sixth the power of other digital isolators
- Channel-by-channel glitch filter to protect against extraneous noise disturbances
- Default output high logic state in the absence of input power
Applications
- General-purpose, multichannel isolation
- SPI interface/data converter isolation
- RS-232/RS-422/RS-485 transceivers
- Industrial field bus isolation
Q & A
- What is the ADUM7642CRQZ-RL7 used for? The ADUM7642CRQZ-RL7 is a 6-channel digital isolator used for applications requiring functional isolation, such as general-purpose isolation, SPI interfaces, and industrial field bus isolation.
- What is the maximum data rate of the ADUM7642CRQZ-RL7? The maximum data rate is 25 Mbps.
- What is the operating temperature range of the ADUM7642CRQZ-RL7? The operating temperature range is from -40°C to +105°C.
- What is the common-mode transient immunity of the ADUM7642CRQZ-RL7? The common-mode transient immunity is greater than 15 kV/μs.
- What is the package type of the ADUM7642CRQZ-RL7? The package type is a 20-lead QSOP.
- What is the isolation voltage of the ADUM7642CRQZ-RL7? The isolation voltage is 1 kV RMS.
- Does the ADUM7642CRQZ-RL7 support bidirectional communication? Yes, it supports bidirectional communication.
- What are the supply voltage ranges for the ADUM7642CRQZ-RL7? The supply voltage ranges from 3.0V to 5.5V on both VDD1 and VDD2 sides.
- How does the ADUM7642CRQZ-RL7 handle noise disturbances? It includes a channel-by-channel glitch filter to protect against extraneous noise disturbances.
- What is the default output logic state of the ADUM7642CRQZ-RL7 in the absence of input power? The default output logic state is high.
