• ISO7221ADR SOIC-8
ISO7221ADR SOIC-8

ISO7221ADR

Digital Isolator CMOS 2-CH 1Mbps 8-Pin SOIC T/R

Quantity Unit Price(USD) Ext. Price
1 $0.807 $0.81
10 $0.690 $6.90
30 $0.609 $18.27
100 $0.541 $54.10
500 $0.472 $236.00
1000 $0.458 $458.00

Inventory:7,003

*The price is for reference only.
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Overview of ISO7221ADR

The ISO7221ADR is a dual-channel digital isolator with integrated power and data isolation. It provides high electromagnetic immunity while supporting a wide operating temperature range, making it suitable for harsh industrial environments. The digital isolator features reinforced isolation to protect sensitive circuitry and supports bidirectional communication between systems.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • EN1: Channel 1 Enable
  • A1: Channel 1 Input
  • B1: Channel 1 Output
  • GND1: Ground for Channel 1
  • EN2: Channel 2 Enable
  • A2: Channel 2 Input
  • B2: Channel 2 Output
  • GND2: Ground for Channel 2
  • VCC1: Power Supply for Channel 1
  • VCC2: Power Supply for Channel 2
  • VS+ : Positive Supply Voltage
  • VS- : Negative Supply Voltage

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ISO7221ADR for a visual representation.

Key Features

  • Dual-Channel Isolation: Provides two independent channels for isolated signal transmission.
  • Wide Operating Temperature Range: Operates reliably within a broad temperature range, suitable for industrial applications.
  • High Electromagnetic Immunity: Offers robust protection against electromagnetic interference, ensuring signal integrity.
  • Reinforced Isolation: Protects against voltage transients and noise, safeguarding sensitive circuitry.
  • Bidirectional Communication: Supports bidirectional data and power transfer for enhanced versatility.
  • Low Power Consumption: Consumes minimal power, making it suitable for energy-efficient designs.

Note: For detailed technical specifications, please refer to the ISO7221ADR datasheet.

Application

  • Industrial Automation: Ideal for use in industrial automation systems requiring reliable signal isolation.
  • Motion Control Systems: Suitable for isolating signals in motor control and motion feedback applications.
  • Patient Monitoring Devices: Used in medical devices to provide safe isolation for patient-critical signals.

Functionality

The ISO7221ADR is a dual-channel digital isolator designed to provide secure and reliable isolation for signal transmission in various applications. It ensures high levels of electromagnetic immunity and reinforced isolation for enhanced safety and performance.

Usage Guide

  • Power Supply: Connect VCC1 and VCC2 to the respective power supplies for each channel.
  • Signal Isolation: Use the A1/B1 and A2/B2 pins for isolated bidirectional signal transmission between systems.
  • Enable Control: Utilize EN1 and EN2 to enable or disable the respective isolator channels as needed.

Frequently Asked Questions

Q: What is the maximum operating temperature range for the ISO7221ADR?
A: The ISO7221ADR can reliably operate within a temperature range of -40°C to 125°C, making it suitable for harsh industrial environments.

Q: Does the ISO7221ADR support bidirectional communication?
A: Yes, the ISO7221ADR is designed to support bidirectional data and power transfer, offering flexibility in signal isolation applications.

Equivalent

For similar functionalities, consider these alternatives to the ISO7221ADR:

  • ADuM1201: This dual-channel digital isolator from Analog Devices offers similar features and performance to the ISO7221ADR.
  • Silicon Labs Si823Hx: A dual-channel digital isolator with integrated power and data isolation, providing comparable functionality to the ISO7221ADR.

ISO7221ADR

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rating Catalog Integrated isolated power No
Isolation rating Basic Number of channels 2
Forward/reverse channels 1 forward / 1 reverse Default output High
Data rate (max) (MBps) 1 Surge isolation voltage (VIOSM) (VPK) 4000
Transient isolation voltage (VIOTM) (VPK) 4000 Withstand isolation voltage (VISO) (Vrms) 2500
CMTI (min) (V/µs) 15000 Operating temperature range (°C) -40 to 125
Supply voltage (max) (V) 5 Supply voltage (min) (V) 3.3
Propagation delay time (typ) (µs) 0.405 Current consumption per channel (DC) (typ) (mA) 4.3
Current consumption per channel (1 Mbps) (typ) (mA) 5 Creepage (min) (mm) 4
Clearance (min) (mm) 4

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ISO7221ADR

Digital Isolator CMOS 2-CH 1Mbps 8-Pin SOIC T/R

Inventory:

7,003