Overview
The ADUM7642CRQZ is a 6-channel digital isolator produced by Analog Devices Inc., utilizing the iCoupler® technology. This device is designed to provide reliable and efficient isolation between different voltage domains, making it suitable for a variety of applications where electrical isolation is crucial. The ADUM7642CRQZ is packaged in a compact 20-lead QSOP, offering space savings and a lower cost compared to higher voltage isolation solutions when only functional isolation is required.
Key Specifications
| Parameter | Value | Unit | Test Conditions |
|---|---|---|---|
| Number of Channels | 6 | - | - |
| Isolation Voltage | 1 kV | RMS | - |
| Data Rate | Up to 25 Mbps | - | NRZ |
| Supply Voltage Range | 3.0 V to 5.5 V | - | - |
| Maximum Current per Channel | 7.8 mA at 25 Mbps, 2.2 mA at 0-1 Mbps | mA | At 5 V operation |
| Output Rise/Fall Time | 2.5 ns | ns | 10% to 90% |
| Common-Mode Transient Immunity | >15 kV/μs | kV/μs | - |
| Operating Temperature Range | -40°C to 105°C | °C | - |
| Package Type | 20-lead QSOP | - | - |
Key Features
- Bidirectional communication capability
- High temperature operation up to 105°C
- Low power consumption, with dynamic supply current as low as 0.19 mA/Mbps for input and 0.03 mA/Mbps for output
- High common-mode transient immunity of >15 kV/μs
- Channel-by-channel glitch filter to protect against extraneous noise disturbances
- Default output high logic state in the absence of input power
- 3 V/5 V level translation
Applications
- General-purpose, multichannel isolation
- SPI interface and data converter isolation
- RS-232, RS-422, RS-485 transceivers
- Industrial field bus isolation
- Automotive interfaces (CAN, Audio, Ethernet)
- Industrial I/O and IO-Link
Q & A
- What is the isolation voltage of the ADUM7642CRQZ?
The isolation voltage of the ADUM7642CRQZ is 1 kV RMS.
- What is the maximum data rate supported by the ADUM7642CRQZ?
The ADUM7642CRQZ supports data rates up to 25 Mbps.
- What is the operating temperature range of the ADUM7642CRQZ?
The operating temperature range is -40°C to 105°C.
- What type of package does the ADUM7642CRQZ come in?
The ADUM7642CRQZ is packaged in a 20-lead QSOP.
- Does the ADUM7642CRQZ support bidirectional communication?
- What is the common-mode transient immunity of the ADUM7642CRQZ?
The common-mode transient immunity is >15 kV/μs.
- How does the ADUM7642CRQZ handle power loss?
In the absence of input power, the output defaults to a high logic state.
- What are some common applications of the ADUM7642CRQZ?
Common applications include general-purpose isolation, SPI interface isolation, RS-232/RS-422/RS-485 transceivers, and industrial field bus isolation.
- What is the supply voltage range for the ADUM7642CRQZ?
The supply voltage range is from 3.0 V to 5.5 V.
- How does the ADUM7642CRQZ protect against noise disturbances?
The device includes a channel-by-channel glitch filter to protect against extraneous noise disturbances.
