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ISO7720DR

Dual-channel reinforced digital isolator, 5000VRMS, 100Mbps, >100kV/µs CMTI, SOIC-8

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Pieza del fabricante：

ISO7720DR

Paquete：

SOIC-8 Wide (7.5 x 5.85 x 2.35mm, 1.27mm pitch)

Marca：
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Descripción

Productos

The ISO7720DR is a dual-channel reinforced digital isolator from Texas Instruments with 5000VRMS isolation, 100Mbps data rate, and >100kV/µs CMTI in an SOIC-8 package.

Especificaciones

Número de canales 2
Channel Direction Both same direction (ISO7720)
Isolation Rating 5000 VRMS (reinforced), 8000 Vpeak transient
Velocidad de datos 0 to 100Mbps (NRZ)
Retardo de propagación 10.5ns typical
Distorsión de la anchura de impulsos 2ns typical
CMTI >100kV/µs
Tensión de alimentación 2.25V to 5.5V per side
Supply Current (per channel) 1.5mA typical at 5V, 1Mbps
Temperatura de funcionamiento -40°C to +125°C
Safety Ratings UL 1577, CSA, IEC 60747-17, VDE
Paquete SOIC-8 (wide body, 7.5mm)

Características

  • Reinforced isolation: 5000VRMS for 1 minute
  • High CMTI: >100kV/µs for noise immunity
  • 100Mbps data rate supports high-speed interfaces
  • Low propagation delay: 10.5ns typical
  • Dual supply: 2.25V to 5.5V on each side independently
  • Level translation across isolation barrier
  • Robust EMC performance for industrial environments
  • Default output state: low when input power is lost

Aplicaciones

  • Industrial automation and PLC isolation
  • SPI and UART communication isolation
  • Motor drive gate driver isolation
  • Medical equipment galvanic isolation
  • Power supply feedback loop isolation

The ISO7720DR is a dual-channel reinforced digital isolator from Texas Instruments using silicon dioxide (SiO2) insulation to provide 5000VRMS galvanic isolation. It supports data rates up to 100Mbps with only 10.5ns typical propagation delay and >100kV/µs common-mode transient immunity. The device operates with independent 2.25V to 5.5V supplies on each side, enabling voltage level translation across the isolation barrier. The ISO7720 variant has both channels in the same direction. The device meets UL 1577, IEC 60747-17, and VDE safety standards for reinforced isolation, making it suitable for industrial and medical applications.

The ISO7720DR uses TI’s silicon dioxide (SiO2) isolation technology with on-chip capacitive coupling. Each channel consists of a transmitter on one side of the isolation barrier and a receiver on the other side. The transmitter encodes the input logic state into high-frequency RF pulses (several GHz carrier) that are capacitively coupled across the thin SiO2 dielectric to the receiver. The receiver decodes the RF signal and reproduces the original logic state. The SiO2 dielectric provides both electrical isolation (5000VRMS breakdown) and a low-loss coupling path for the RF signal. The high CMTI (>100kV/µs) results from the differential coupling architecture that rejects common-mode transients. When the input side loses power, the receiver output assumes a defined default state (low) to prevent undefined operation. The 10.5ns propagation delay is achieved by the high-speed RF modulation and demodulation, supporting 100Mbps NRZ data. The independent supply domains on each side allow voltage level translation, for example converting 3.3V logic on one side to 5V logic on the other.

Pin Nombre Tipo Descripción
1 VCC1 Potencia Side 1 supply (2.25V-5.5V)
2 IN1 Entrada Channel 1 logic input (side 1)
3 OUT2 Salida Channel 2 logic output (side 1)
4 GND1 Potencia Side 1 ground
5 GND2 Potencia Side 2 ground
6 IN2 Entrada Channel 2 logic input (side 2)
7 OUT1 Salida Channel 1 logic output (side 2)
8 VCC2 Potencia Side 2 supply (2.25V-5.5V)
  • Industrial PLC: 5000VRMS reinforced isolation protects operators and equipment from high-voltage faults in PLC I/O modules
  • SPI Isolation: 100Mbps data rate isolates SPI clocks and data lines in motor drive and power converter systems
  • Medical Equipment: IEC 60747-17 reinforced isolation meets patient safety requirements in medical monitoring devices
  • Motor Drives: >100kV/µs CMTI prevents data corruption from high dV/dt switching transients in inverter gate driver interfaces
  • Level Translation: Independent 2.25-5.5V supplies on each side translate logic levels across the isolation barrier
Modelo Fabricante Diferencia clave Paquete Specs
ISO7721DR TI Opposite direction channels (1 forward, 1 reverse) - -
ISO7720FD TI Failsafe high output default state - -
ADuM1200BRZ ADI Dual-channel, 5kVRMS, SOIC-8 - -
Si8620BB-IS Skyworks/Silicon Labs Dual-channel, 5kVRMS, 150Mbps - -
CNL7220BIW-SN CEL Dual-channel, 5kVRMS, SOIC-8 - -
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Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

Envíos y pagos

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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Servicio y embalaje

Materialparts is a professional electronic component supplier based in Shenzhen, China, with over 20 years of global trading experience. We integrate component procurement, quality inspection, technical support, customized packaging, and global delivery services to provide one-stop supply chain solutions. Our business covers industrial control, automotive electronics, consumer electronics, medical devices and other industries. We always adhere to genuine sources, stable supply and considerate after-sales service.

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All products are sourced from official authorized channels and are 100% original genuine parts. Every batch of goods undergoes strict full-process quality inspection before delivery, with complete batch records and traceability documents provided. Our products comply with AEC-Q standards for automotive electronics and high-reliability specifications for medical devices. We eliminate counterfeits, refurbished parts and defective products from the source to secure your project production.

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Contact Information

For service consultation or packaging customization, please feel free to contact us:
Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China
 

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