Overview
The ADUM7640ARQZ-RL7 is a 1 kV RMS six-channel digital isolator produced by Analog Devices Inc. This component is part of the iCoupler® family, which utilizes magnetic coupling technology to achieve high isolation and low power consumption. The device is packaged in a compact 20-lead QSOP, making it ideal for applications where space is limited. It offers a maximum data rate of 1 Mbps and supports supply voltages ranging from 3.0 V to 5.5 V on either side of the isolation barrier. The ADUM7640ARQZ-RL7 is designed for general-purpose, multichannel isolation and is suitable for various industrial and communication applications.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Product Category | Standard Digital Isolators |
| Package Type | 20-SSOP (0.154", 3.90mm Width) |
| Number of Channels | 6 |
| Channel Directionality | 6/0 (Unidirectional) |
| Voltage - Isolation | 1000 Vrms |
| Common Mode Transient Immunity (Min) | 15 kV/µs |
| Data Rate | 1 Mbps |
| Propagation Delay tpLH / tpHL (Max) | 75 ns, 75 ns |
| Pulse Width Distortion (Max) | 25 ns |
| Rise / Fall Time (Typ) | 2 ns, 2 ns |
| Voltage - Supply | 3 V ~ 5.5 V |
| Temperature Range | -40°C to 105°C |
| RoHS Compliance | Yes |
Key Features
- High Isolation: 1 kV RMS isolation voltage, ensuring reliable signal isolation in noisy environments.
- Low Power Consumption: Low quiescent and dynamic supply currents, making it energy-efficient.
- Compact Package: 20-lead QSOP package, ideal for space-constrained designs.
- Wide Supply Voltage Range: Supports supply voltages from 3.0 V to 5.5 V on either side of the isolation barrier.
- High Common-Mode Transient Immunity: >15 kV/µs, protecting against extraneous noise disturbances.
- Low Pulse Width Distortion: < 6 ns for C grade, ensuring accurate signal transmission.
- Channel-by-Channel Glitch Filter: Protects the device against extraneous noise disturbances.
Applications
- General-Purpose Isolation: Suitable for various industrial and communication applications where signal isolation is required.
- SPI Interface/Data Converter Isolation: Ideal for isolating SPI interfaces and data converters in mixed-signal systems.
- RS-232/RS-422/RS-485 Transceivers: Used in serial communication systems to ensure isolated data transmission.
- Industrial Field Bus Isolation: Applies to industrial field bus systems, such as Profibus, DeviceNet, and CAN bus.
Q & A
- What is the isolation voltage of the ADUM7640ARQZ-RL7?
The ADUM7640ARQZ-RL7 has an isolation voltage of 1 kV RMS.
- What is the package type of the ADUM7640ARQZ-RL7?
The ADUM7640ARQZ-RL7 is packaged in a 20-lead QSOP.
- What is the maximum data rate of the ADUM7640ARQZ-RL7?
The maximum data rate of the ADUM7640ARQZ-RL7 is 1 Mbps.
- What is the common-mode transient immunity of the ADUM7640ARQZ-RL7?
The common-mode transient immunity is >15 kV/µs.
- What is the temperature range of the ADUM7640ARQZ-RL7?
The temperature range is -40°C to 105°C.
- Is the ADUM7640ARQZ-RL7 RoHS compliant?
Yes, the ADUM7640ARQZ-RL7 is RoHS compliant.
- What are the typical supply voltages for the ADUM7640ARQZ-RL7?
The supply voltages range from 3.0 V to 5.5 V on either side of the isolation barrier.
- What is the propagation delay of the ADUM7640ARQZ-RL7?
The propagation delay (tpLH / tpHL) is 75 ns, 75 ns.
- What are some common applications of the ADUM7640ARQZ-RL7?
Common applications include general-purpose isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceivers, and industrial field bus isolation.
- How does the ADUM7640ARQZ-RL7 protect against noise disturbances?
The device features a channel-by-channel glitch filter to protect against extraneous noise disturbances.
