Overview
The ADUM7640CRQZ-RL7 is a 6-channel digital isolator produced by Analog Devices Inc. This component utilizes Analog Devices' iCoupler technology to provide reliable and efficient digital isolation. It is packaged in a 20-lead QSOP, offering significant space savings and a lower cost compared to higher voltage isolation solutions. The ADUM7640CRQZ-RL7 is designed for applications requiring functional isolation and features low power consumption, high data rates, and robust common-mode transient immunity.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Test Conditions/Comments |
|---|---|---|---|---|---|
| Data Rate | - | 25 | - | Mbps | Within PWD limit |
| Propagation Delay (tPHL, tPLH) | 28 | 40 | 50 | ns | 50% input to 50% output |
| Pulse Width Distortion (PWD) | 2 | 6 | - | ns | |tPLH − tPHL| |
| Dynamic Supply Current (Input IDDI) | - | 0.19 | - | mA/Mbps | At 25 Mbps |
| Dynamic Supply Current (Output IDDO) | - | 0.03 | - | mA/Mbps | At 25 Mbps |
| Common-Mode Transient Immunity | 15 | - | 20 | kV/μs | VCM = 1000 V, transient magnitude = 800 V |
| Operating Temperature | -40 | - | 105 | °C | |
| Package Type | - | - | - | 20-lead QSOP |
Key Features
- High Data Rate: Up to 25 Mbps data rate (NRZ) for efficient data transfer.
- Low Power Consumption: Uses one-tenth to one-sixth the power of other digital isolators, with dynamic supply currents of 0.19 mA/Mbps (input) and 0.03 mA/Mbps (output) at 25 Mbps.
- High Common-Mode Transient Immunity: Greater than 15 kV/μs, ensuring robust performance in noisy environments.
- 3 V/5 V Level Translation: Supports mixed 3 V and 5 V operation, enhancing flexibility in system design.
- High Temperature Operation: Operates up to 105°C, making it suitable for a wide range of industrial and commercial applications.
Applications
- General-purpose, multichannel isolation: Ideal for isolating multiple digital signals in a single package.
- SPI interface/data converter isolation: Suitable for isolating SPI interfaces and data converters to prevent noise and interference.
- RS-232/RS-422/RS-485 transceivers: Used in serial communication systems to ensure reliable and isolated data transmission.
- Industrial field bus isolation: Applicable in industrial field bus systems to protect against high voltage transients and noise).
Q & A
- What is the data rate of the ADUM7640CRQZ-RL7?
The ADUM7640CRQZ-RL7 supports up to 25 Mbps data rate (NRZ). - What is the operating temperature range of the ADUM7640CRQZ-RL7?
The operating temperature range is from -40°C to 105°C. - What is the common-mode transient immunity of the ADUM7640CRQZ-RL7?
The common-mode transient immunity is greater than 15 kV/μs. - What package type is the ADUM7640CRQZ-RL7 available in?
The ADUM7640CRQZ-RL7 is packaged in a 20-lead QSOP. - Does the ADUM7640CRQZ-RL7 support mixed voltage operation?
Yes, it supports mixed 3 V and 5 V operation. - What is the typical propagation delay of the ADUM7640CRQZ-RL7?
The typical propagation delay is 40 ns. - What are the primary applications of the ADUM7640CRQZ-RL7?
The primary applications include general-purpose, multichannel isolation, SPI interface/data converter isolation, RS-232/RS-422/RS-485 transceivers, and industrial field bus isolation. - How much power does the ADUM7640CRQZ-RL7 consume at 25 Mbps?
The dynamic supply current is 0.19 mA/Mbps (input) and 0.03 mA/Mbps (output) at 25 Mbps. - Is the ADUM7640CRQZ-RL7 RoHS compliant?
Yes, the ADUM7640CRQZ-RL7 is RoHS compliant. - What technology does the ADUM7640CRQZ-RL7 use for digital isolation?
The ADUM7640CRQZ-RL7 uses Analog Devices' iCoupler technology.
