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ISO7241CDWR

Quad 3/1 digital isolator, 2500Vrms, 25Mbps, wide 16-SOIC

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Manufacturer Part：

ISO7241CDWR

Package：

16-SOIC (W) (10.30 x 7.50 x 2.65 mm)

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Description

Product Overview

The ISO7241CDWR from Texas Instruments is a quad-channel digital isolator with 3 forward / 1 reverse channels in a 16-SOIC wide-body package. Providing 2500Vrms isolation and 25Mbps data rate, it is designed for high-speed industrial communication isolation.

Key Specifications

Channels 4 (3 forward / 1 reverse)
Data Rate 25Mbps
Isolation Voltage 2500Vrms (1 min, UL1577)
CMTI 25kV/us minimum
Propagation Delay 28ns typical
Supply Voltage 3.15V ~ 5.5V (both sides)
Package 16-SOIC (wide body)
Operating Temperature -40°C to +125°C

Features

  • 4 channels: 3 forward / 1 reverse
  • 25Mbps data rate per channel
  • 2500Vrms isolation per UL1577
  • Capacitive SiO2 isolation barrier
  • Wide-body 16-SOIC for 8mm creepage
  • 3.3V / 5V level translation support

Applications

  • Industrial RS-485/SPI interface isolation
  • Motor drive signal isolation
  • Isolated ADC/DAC data acquisition
  • Power supply feedback isolation
  • Medical equipment communication isolation

The ISO7241CDWR from Texas Instruments is a quad-channel digital isolator in a wide-body 16-SOIC package providing 8mm creepage/clearance. With three forward channels and one reverse channel, it supports 25Mbps data rates with 2500Vrms galvanic isolation per UL1577. The capacitive SiO2 isolation barrier provides high reliability with 25kV/us minimum CMTI. The wide-body package provides 8mm creepage for enhanced safety. The device operates from 3.15V to 5.5V on either side, supporting level translation across the isolation barrier.

The ISO7241CDWR uses capacitive coupling through a silicon dioxide insulation barrier. Each channel consists of an input buffer, high-voltage coupling capacitors, and an output buffer with signal conditioning. The input signal is encoded and transmitted differentially across the capacitive barrier, then decoded and reconstructed on the output side. The differential structure rejects common-mode transients up to 25kV/us. The three forward channels transmit from Side 1 to Side 2, while the reverse channel transmits from Side 2 to Side 1. Each channel operates independently with 28ns typical propagation delay.

Pin Name Type Function
1 VCC1 Power Side 1 supply
2 IN1 Input Forward ch1 input
3 IN2 Input Forward ch2 input
4 IN3 Input Forward ch3 input
5 OUT4 Output Reverse ch output (Side 1)
6 GND1 Power Side 1 ground
7 GND1 Power Side 1 ground
8 EN1 Input Side 1 enable (active high)
9 EN2 Input Side 2 enable (active high)
10 GND2 Power Side 2 ground
11 GND2 Power Side 2 ground
12 IN4 Input Reverse ch input (Side 2)
13 OUT3 Output Forward ch3 output (Side 2)
14 OUT2 Output Forward ch2 output (Side 2)
15 OUT1 Output Forward ch1 output (Side 2)
16 VCC2 Power Side 2 supply
  • Isolated SPI bus for ADC/DAC data acquisition
  • Motor drive gate driver signal isolation (3 control + 1 fault)
  • Industrial RS-485 communication isolation
  • Isolated power supply feedback and control
  • Medical equipment patient-side communication isolation
Manufacturer Part Number Package Notes
TI ISO7741FDWR 16-SOIC-W 100Mbps upgrade, higher CMTI
ADI ADuM1401ARWZ 16-SOIC-W Quad 3/1, pin-compatible
Silicon Labs Si8641BC-B-IS1R 16-SOIC-W Quad 3/1, 150Mbps
TI ISO7240CDWR 16-SOIC-W 4 forward channels variant
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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