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ISO7241CDWR

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

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Pieza del fabricante：

ISO7241CDWR

Paquete：

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

Marca：
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Descripción

Productos

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.

Especificaciones

Canales 4 (3 forward / 1 reverse)
Velocidad de datos 25Mbps
Tensión de aislamiento 2500Vrms (1 min, UL1577)
CMTI 25kV/us minimum
Retardo de propagación 28ns typical
Tensión de alimentación 3.15V ~ 5.5V (both sides)
Paquete 16-SOIC (wide body)
Temperatura de funcionamiento -40°C to +125°C

Características

  • 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

Aplicaciones

  • 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 Nombre Tipo Función
1 VCC1 Potencia Side 1 supply
2 IN1 Entrada Forward ch1 input
3 IN2 Entrada Forward ch2 input
4 IN3 Entrada Forward ch3 input
5 OUT4 Salida Reverse ch output (Side 1)
6 GND1 Potencia Side 1 ground
7 GND1 Potencia Side 1 ground
8 EN1 Entrada Side 1 enable (active high)
9 EN2 Entrada Side 2 enable (active high)
10 GND2 Potencia Side 2 ground
11 GND2 Potencia Side 2 ground
12 IN4 Entrada Reverse ch input (Side 2)
13 OUT3 Salida Forward ch3 output (Side 2)
14 OUT2 Salida Forward ch2 output (Side 2)
15 OUT1 Salida Forward ch1 output (Side 2)
16 VCC2 Potencia 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
Fabricante Número de pieza Paquete Notas
TI ISO7741FDWR 16-SOIC-W 100Mbps upgrade, higher CMTI
ADI ADuM1401ARWZ 16-SOIC-W Quad 3/1, pin-compatible
Laboratorios Silicon Si8641BC-B-IS1R 16-SOIC-W Quad 3/1, 150Mbps
TI ISO7240CDWR 16-SOIC-W 4 forward channels variant
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