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ISO7641FMDWR

Quad-channel digital isolator, 5000Vrms, 150Mbps, SOIC-16

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Pieza del fabricante：

ISO7641FMDWR

Paquete：

SOIC-16W

Marca：
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Descripción

Productos

The ISO7641FMDWR from TI is a quad-channel digital isolator providing 5000Vrms isolation at up to 150Mbps in SOIC-16W for industrial communication isolation.

Especificaciones

Paquete SOIC-16W

Características

  • See datasheet for complete specifications
  • Industry-standard package

Aplicaciones

  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Automotive electronics

The ISO7641FMDWR from TI is a quad-channel digital isolator providing 5000Vrms isolation at up to 150Mbps in SOIC-16W for industrial communication isolation.

The ISO7641FMDWR is a quad-channel digital isolator from Texas Instruments in SOIC-16W, providing 5000Vrms galvanic isolation at 150Mbps data rate. The 4 channels are split 3/1: three channels forward (A,B,C side 1 to side 2) and one channel reverse (D side 2 to side 1). The -F suffix specifies the channel direction (3F/1R). The isolation uses silicon dioxide (SiO2) dielectric between two transformer coils, manufactured with TI’s planar transformer technology. Unlike optocouplers, the digital isolator uses RF coupling: the input signal modulates a 300MHz carrier that is magnetically coupled across the isolation barrier, then demodulated on the output side. This provides: (1) Much higher speed (150Mbps vs 10Mbps for optocouplers); (2) No LED degradation (optocouplers age due to LED CTR degradation); (3) Lower power (3mA per channel vs 5-15mA for optocouplers); (4) Wider temperature range (-55C to +125C). The M suffix specifies 5000Vrms isolation (vs D suffix for 2500Vrms). The propagation delay is 10ns typical with 2ns channel-to-channel matching. The default output state is LOW when input is unpowered (failsafe). The -DWR suffix specifies SOIC-16W, tape-and-reel. Applications include: SPI/I2C isolation for ADCs, motor drive signal isolation, and industrial communication interfaces.

Pin Nombre Tipo Función
1 VCC1 Potencia Side 1 supply (3.0-5.5V, connect with 0.1uF ceramic)
2-4 INA-INC Entrada Side 1 logic inputs (3 channels, TTL/CMOS compatible)
5 GND1 Potencia Side 1 ground
6-8 OUTD-OUTF Salida Side 1 logic outputs (3 channels, CMOS push-pull)
9-11 OUTA-OUTC Salida Side 2 logic outputs (3 channels, CMOS push-pull)
12 VCC2 Potencia Side 2 supply (3.0-5.5V)
13-15 IND-INF Entrada Side 2 logic inputs (3 channels)
16 GND2 Potencia Side 2 ground
  • Industrial control
  • Consumer electronics
  • Communication equipment
  • Automotive electronics
    • Fabricante Número de pieza Paquete Notas
    Texas Instruments ISO7641FMDWR SOIC-16W Same device, TI brand
    Texas Instruments ISO7640FM SOIC-16W 4-channel, all same direction
    Dispositivos analógicos ADuM7641BRWZ-RL SOIC-16W Quad digital isolator, ADI brand
    Laboratorios Silicon Si8641AB-B-IS1 SOIC-16 Quad digital isolator, SiLabs brand
    Broadcom ACPL-M71L-000E SOIC-6 Single digital isolator, Broadcom brand
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