• ISO7221CDR SOIC-8
ISO7221CDR SOIC-8

ISO7221CDR

5-Mbps digital isolator

Quantity Unit Price(USD) Ext. Price
1 $1.634 $1.63
10 $1.400 $14.00
30 $1.253 $37.59
100 $1.006 $100.60
500 $0.939 $469.50
1000 $0.908 $908.00

Inventory:6,857

*The price is for reference only.
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Overview of ISO7221CDR

The ISO7221CDR is a dual-channel digital isolator with integrated power saving features, designed for high-speed digital signal isolation applications. It provides reliable isolation between two independent circuits while supporting data rates up to 100Mbps.

Pinout

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

  • EN2: Channel 2 Enable
  • GND1: Ground for Channel 1
  • CH1A: Channel 1 Signal A
  • CH1B: Channel 1 Signal B
  • VDD: Power Supply Voltage
  • CH2B: Channel 2 Signal B
  • CH2A: Channel 2 Signal A
  • GND2: Ground for Channel 2
  • EN1: Channel 1 Enable

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the ISO7221CDR for a visual representation.

Key Features

  • Dual-Channel Isolation: Provides isolation for two independent circuits, ensuring signal integrity and safety.
  • High-Speed Data Transfer: Supports data rates up to 100Mbps, suitable for high-speed digital communication.
  • Integrated Power Saving: Features integrated power-saving modes for efficient energy consumption.
  • Wide Operating Voltage Range: Operates within a wide voltage range, making it compatible with various systems.
  • Robust Isolation: Ensures reliable isolation and protection against noise and voltage spikes.

Note: For detailed technical specifications, please refer to the ISO7221CDR datasheet.

Application

  • Digital Signal Isolation: Ideal for isolating digital signals in applications requiring safety and signal integrity.
  • Industrial Automation: Suitable for use in industrial automation systems to isolate communication signals.
  • Data Transmission: Used in high-speed data transmission applications that require signal isolation.

Functionality

The ISO7221CDR is a dual-channel digital isolator that provides reliable signal isolation between two circuits, ensuring data integrity and safety in high-speed digital applications.

Usage Guide

  • Power Supply: Connect VDD (Pin 5) to the power supply voltage within the specified range.
  • Channel Isolation: Utilize the CH1A/CH1B and CH2A/CH2B pins for isolating signals between channels.
  • Enable Control: Use the EN1 (Pin 9) and EN2 (Pin 1) pins to enable or disable the respective channels.

Frequently Asked Questions

Q: What is the maximum data rate supported by the ISO7221CDR?
A: The ISO7221CDR can support data rates up to 100Mbps for high-speed digital applications.

Q: Does the ISO7221CDR offer protection against voltage spikes?
A: Yes, the ISO7221CDR provides robust isolation and protection against voltage spikes and noise in communication systems.

Equivalent

For similar functionalities, consider these alternatives to the ISO7221CDR:

  • ADUM1210: Analog Devices offers a similar dual-channel digital isolator with integrated power-saving features.
  • SILICON LABS SI8234BB: Silicon Labs provides a dual-channel digital isolator designed for high-speed data transmission applications.

ISO7221CDR

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) 25 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) 2.8
Propagation delay time (typ) (µs) 0.036 Current consumption per channel (DC) (typ) (mA) 4.3
Creepage (min) (mm) 4 Clearance (min) (mm) 4

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