Description

ISO7721FQDRQ1 by Texas Instruments

Overview
The ISO7721FQDRQ1 is a high-speed, dual-channel digital isolator from Texas Instruments. This device is designed to provide galvanic isolation between two circuits, ensuring reliable data transfer and protection against electrical noise and surges.

Key Features

• High-Speed Data Transfer: Up to 150 Mbps
• Dual-Channel Configuration: Two independent isolation channels
• Galvanic Isolation: 2500 Vrms isolation voltage
• Low Propagation Delay: 10 ns typical
• High Common-Mode Transient Immunity: 50 kV/μs typical
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOIC-8

Parameters

• Supply Voltage: 3.3 V
• Isolation Voltage: 2500 Vrms
• Data Rate: Up to 150 Mbps
• Propagation Delay: 10 ns typical
• Pulse Width Distortion: 2 ns typical
• operates from a single 3.3V supply
• Low Power Consumption: 1.5 mA per channel typical

Applications

• Industrial Control Systems
• Medical Devices
• Aerospace and Defense Systems
• Automotive Systems
• Test and Measurement Equipment

Functional Description
The ISO7721FQDRQ1 provides two independent isolation channels, each capable of transferring data at high speeds. The device uses Texas Instruments’ capacitive isolation technology to provide galvanic isolation between the input and output circuits, ensuring reliable data transfer and protection against electrical noise and surges.

Package and Pinout
The ISO7721FQDRQ1 is available in an 8-pin SOIC package. The pinout is as follows:

• Pin 1: VCC1
• Pin 2: GND1
• Pin 3: IN1
• Pin 4: IN2
• Pin 5: GND2
• Pin 6: VCC2
• Pin 7: OUT1
• Pin 8: OUT2

Note: The ISO7721FQDRQ1 is a high-speed digital isolator, and its parameters and characteristics are subject to change. For the most up-to-date information, please refer to the Texas Instruments website or consult with a Texas Instruments representative.