Detalles del producto

Number of channels 4 Rating Catalog Forward/reverse channels 4 forward / 0 reverse Integrated isolated power No Isolation rating Reinforced Default output High, Low Data rate (max) (Mbps) 100 Protocols GPIO, PWM Surge isolation voltage (VIOSM) (VPK) 12800 Transient isolation voltage (VIOTM) (VPK) 8000 Withstand isolation voltage (VISO) (Vrms) 5700 CMTI (min) (V/µs) 85000 Operating temperature range (°C) -55 to 125 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 2.25 Propagation delay time (typ) (µs) 0.0107 Current consumption per channel (DC) (typ) (mA) 0.88 Current consumption per channel (1 Mbps) (typ) (mA) 1.53 Creepage (min) (mm) 8, 14.5 Clearance (min) (mm) 8, 14.5
Number of channels 4 Rating Catalog Forward/reverse channels 4 forward / 0 reverse Integrated isolated power No Isolation rating Reinforced Default output High, Low Data rate (max) (Mbps) 100 Protocols GPIO, PWM Surge isolation voltage (VIOSM) (VPK) 12800 Transient isolation voltage (VIOTM) (VPK) 8000 Withstand isolation voltage (VISO) (Vrms) 5700 CMTI (min) (V/µs) 85000 Operating temperature range (°C) -55 to 125 Supply voltage (max) (V) 5.5 Supply voltage (min) (V) 2.25 Propagation delay time (typ) (µs) 0.0107 Current consumption per channel (DC) (typ) (mA) 0.88 Current consumption per channel (1 Mbps) (typ) (mA) 1.53 Creepage (min) (mm) 8, 14.5 Clearance (min) (mm) 8, 14.5
SOIC (DW) 16 106.09 mm² 10.3 x 10.3 SOIC (DWW) 16 177.675 mm² 10.3 x 17.25
  • Signaling Rate: Up to 100Mbps
  • Wide Supply Range: 2.25V to 5.5V
  • 2.25V to 5.5V Level Translation
  • Wide Temperature Range: –55°C to 125°C
  • Low-Power Consumption, Typical 1.7mA per Channel at 1Mbps
  • Low Propagation Delay: 11ns Typical (5V Supplies)
  • Industry leading CMTI (Min): ±100kV/µs
  • Robust Electromagnetic Compatibility (EMC)
  • System-Level ESD, EFT, and Surge Immunity
  • Low Emissions
  • Isolation Barrier Life: >40 Years
  • Wide Body SOIC-16 Package and Extra-Wide Body SOIC-16 Package Options
  • Safety and Regulatory Approvals:
    • 8000VPK Reinforced Isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5.7kVRMS Isolation for 1 Minute per UL 1577
    • IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 certifications

  • Signaling Rate: Up to 100Mbps
  • Wide Supply Range: 2.25V to 5.5V
  • 2.25V to 5.5V Level Translation
  • Wide Temperature Range: –55°C to 125°C
  • Low-Power Consumption, Typical 1.7mA per Channel at 1Mbps
  • Low Propagation Delay: 11ns Typical (5V Supplies)
  • Industry leading CMTI (Min): ±100kV/µs
  • Robust Electromagnetic Compatibility (EMC)
  • System-Level ESD, EFT, and Surge Immunity
  • Low Emissions
  • Isolation Barrier Life: >40 Years
  • Wide Body SOIC-16 Package and Extra-Wide Body SOIC-16 Package Options
  • Safety and Regulatory Approvals:
    • 8000VPK Reinforced Isolation per DIN EN IEC 60747-17 (VDE 0884-17)
    • 5.7kVRMS Isolation for 1 Minute per UL 1577
    • IEC 61010-1, IEC 62368-1, IEC 60601-1, and GB 4943.1 certifications

The ISO7840x device is a high-performance, quad-channel digital isolator with a 8000VPK isolation voltage. This device has reinforced isolation certifications according to VDE, CSA, CQC, and TUV. The isolator provides high electromagnetic immunity and low emissions at low-power consumption while isolating CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a silicon-dioxide (SiO2) insulation barrier.

This device comes with enable pins that can be used to put the respective outputs in high impedance for multi-controller driving applications and to reduce power consumption. The ISO7840 device has four forward and zero reverse-direction channels. If the input power or signal is lost, the default output is high for the ISO7840 device and low for the ISO7840F device. See the Device Functional Modes section for further details.

Used in conjunction with isolated power supplies, this device helps prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. Through remarkable chip design and layout techniques, electromagnetic compatibility of the ISO7840 device has been significantly enhanced to ease system-level ESD, EFT, surge, and emissions compliance.

The ISO7840 device is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages.

The ISO7840x device is a high-performance, quad-channel digital isolator with a 8000VPK isolation voltage. This device has reinforced isolation certifications according to VDE, CSA, CQC, and TUV. The isolator provides high electromagnetic immunity and low emissions at low-power consumption while isolating CMOS or LVCMOS digital I/Os. Each isolation channel has a logic input and output buffer separated by a silicon-dioxide (SiO2) insulation barrier.

This device comes with enable pins that can be used to put the respective outputs in high impedance for multi-controller driving applications and to reduce power consumption. The ISO7840 device has four forward and zero reverse-direction channels. If the input power or signal is lost, the default output is high for the ISO7840 device and low for the ISO7840F device. See the Device Functional Modes section for further details.

Used in conjunction with isolated power supplies, this device helps prevent noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. Through remarkable chip design and layout techniques, electromagnetic compatibility of the ISO7840 device has been significantly enhanced to ease system-level ESD, EFT, surge, and emissions compliance.

The ISO7840 device is available in 16-pin SOIC wide-body (DW) and extra-wide body (DWW) packages.

Descargar Ver vídeo con transcripción Video

Documentación técnica

star =Principal documentación para este producto seleccionada por TI
No se encontraron resultados. Borre su búsqueda y vuelva a intentarlo.
Ver todo 18
Tipo Título Fecha
* Data sheet ISO7840x High-Performance, 8000VPK Reinforced Quad-Channel Digital Isolator datasheet (Rev. C) PDF | HTML 29 jul 2025
White paper Improve Your System Performance by Replacing Optocouplers with Digital Isolators (Rev. D) PDF | HTML 07 nov 2025
Certificate VDE Certificate for Reinforced Isolation for DIN EN IEC 60747-17 (Rev. Y) 22 sep 2025
Certificate UL Certificate of Compliance File E181974 Vol 4 Sec 6 (Rev. R) 08 sep 2025
Certificate CQC Certificate for ISOxxDWx (Rev. K) 18 ago 2025
Certificate TUV Certificate for Isolation Devices (Rev. L) 15 ago 2025
Application note Digital Isolator Design Guide (Rev. G) PDF | HTML 13 sep 2023
White paper Circuit Board Insulation Design According to IEC60664 for Motor Drive Apps PDF | HTML 31 ago 2023
Certificate CSA Certificate for ISO78xxDWx 13 mar 2023
White paper Why are Digital Isolators Certified to Meet Electrical Equipment Standards? 16 nov 2021
White paper Distance Through Insulation: How Digital Isolators Meet Certification Requiremen PDF | HTML 11 jun 2021
Functional safety information Isolation in AC Motor Drives: Understanding the IEC 61800-5-1 Safety Standard (Rev. A) 19 sep 2019
Analog Design Journal Pushing the envelope with high-performance digital-isolation technology (Rev. A) 22 ago 2018
Application brief Considerations for Selecting Digital Isolators 24 jul 2018
Functional safety information Isolation in solar power converters: Understanding the IEC62109-1 safety standar (Rev. A) 18 may 2018
Analog Design Journal How to reduce radiated emissions of digital isolators for systems with RF module 26 mar 2018
Application note Isolation Glossary (Rev. A) 19 sep 2017
Analog Design Journal 4Q 2015 Analog Applications Journal 30 oct 2015

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

DIGI-ISO-EVM — Módulo de evaluación de aislador digital universal

EL DIGI-ISO-EVM es un EVM que se utiliza para evaluar cualquiera de los dispositivos aisladores digitales monocanal, doble canal, triple canal, cuádruple canal o seis canales de TI en cinco paquetes diferentes: circuito integrado de contorno pequeño de cuerpo estrecho (D) de 8 pines, SOIC de cuerpo (...)

Guía del usuario: PDF | HTML
Placa de evaluación

ISO7842-EVM — Módulo de evaluación de aislador digital 2/2 de cuatro canales reforzado y 5.7 kVRMS de alta inmunid

The ISO7842 provides galvanic isolation up to 5700 VRMS for 1 minute per UL and 8000 VPK per VDE. This device has four isolated channels comprised of a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, this (...)

Guía del usuario: PDF
Modelo de simulación

ISO7840 IBIS Model (Rev. A)

SLLM281A.ZIP (52 KB) - IBIS Model
Modelo de simulación

ISO7840F IBIS Model (Rev. A)

SLLM282A.ZIP (52 KB) - IBIS Model
Diseños de referencia

TIDA-01037 — Diseño de referencia de adquisición de datos optimizado para aislador de 1 MSPS de 20 bits, que maxi

El TIDA-01037 es un diseño de referencia de adquisición de datos de entrada analógica aislada de 1 MSPS y 20 bits que utiliza dos dispositivos aisladores diferentes para maximizar el rendimiento de la SNR de la cadena de señales y la tasa de muestreo. Para señales que requieren baja fluctuación, (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-01035 — Diseño de referencia de adquisición de datos aislados de 20 bits que optimiza la fluctuación para ma

El TIDA-01035 es un diseño de referencia de adquisición de datos con entrada analógica aislada de 20 bits y 1 MSPS, que muestra cómo resolver y optimizar los desafíos de rendimiento típicos de los sistemas de adquisición de datos digitalmente aislados.
  • Mejora significativamente el rendimiento de la (...)
Design guide: PDF
Esquema: PDF
Diseños de referencia

TIDA-00732 — Diseño de referencia de adquisición de datos aislados de 18 bits y 2 MSPs para lograr la máxima rela

Este “diseño de referencia de adquisición de datos aislados de 18 bits y 2 Msps para lograr la relación señal-ruido y velocidad de muestreo máximas” ilustra cómo superar los desafíos que limitan el rendimiento típicos del diseño de sistemas de adquisición de datos aislados:
  • Maximizar la velocidad de (...)
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
SOIC (DW) 16 Ultra Librarian
SOIC (DWW) 16 Ultra Librarian

Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

Los productos recomendados pueden tener parámetros, módulos de evaluación o diseños de referencia relacionados con este producto de TI.

Soporte y capacitación

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

El contenido lo proporcionan “tal como está” TI y los colaboradores de la comunidad y no constituye especificaciones de TI. Consulte los términos de uso.

Si tiene preguntas sobre la calidad, el paquete o el pedido de productos de TI, consulte el soporte de TI. ​​​​​​​​​​​​​​

Videos