Skyworks Solutions Inc

Si858x Isolated RS-485 Transceivers

Skyworks’ cutting-edge devices offer exceptional safeguarding against high voltages and transient noise

Image of Skyworks Solutions' Si858x Isolated RS-485 TransceiversThe Si858x line of products features powerful and fully compliant RS-485 transceivers integrated with Skyworks' exclusive CMOS isolation technology. These cutting-edge devices are perfect for industrial applications requiring isolated interfaces with a fieldbus system like ProfiBus or ModBus, utilizing the RS-485 physical layer. With their integrated isolation, Si858x transceivers offer exceptional safeguards against high voltages and transient noise, effectively shielding delicate electronic components and preserving signal integrity.

Block Diagrams
  • Full Duplex
    • Image of Skyworks Solutions' Si858x full scale - block diagram
  • Half Duplex
    • Image of Skyworks Solutions' Si858x half scale - block diagram
Features
  • Compliance with TIA/EIA-485-A (RS-485), conformance to EN 50170 (ProfiBus)
  • Signaling rates of 1 Mbps (slew rate limited) or up to 10 Mbps
  • Robust isolation: 5.0 kVRMS max isolation, working voltage of 2121 Vpeak
  • Bus fault protection: ±30 V; HBM 15 kV bus pin ESD ratings
  • Immunity to noise: 100 kV/µs common mode transient immunity (CMTI)
  • Pin compatibility with standard industry footprint
  • Flexibility with product options: 3.3 V or 5.0 V rated options, half and full duplex configurations available
Applications
  • Factory automation/fieldbus
  • Programmable logic controllers (PLC)
  • Industrial I/Os
  • HVAC systems
  • Multi-family units meter reading
  • Solar inverters
  • Motor controls and drives
  • Industrial inverters

Si858x Isolated RS-485 Transceivers

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC 5KV 1 MBPS ISOLATED FULL-DUPSI85857D-ISIC 5KV 1 MBPS ISOLATED FULL-DUP437 - Immediate$5.59View Details
IC 5KV 1 MBPS ISOLATED HALF-DUPSI85853D-ISIC 5KV 1 MBPS ISOLATED HALF-DUP58 - Immediate$5.59View Details
IC 5KV 1 MBPS ISOLATED HALF-DUPSI85833D-ISIC 5KV 1 MBPS ISOLATED HALF-DUP408 - Immediate$5.59View Details
IC 5KV 1 MBPS ISOLATED FULL-DUPSI85837D-ISIC 5KV 1 MBPS ISOLATED FULL-DUP438 - Immediate$5.59View Details
IC 5KV 10 MBPS ISOLATED HALF-DUSI85836D-ISIC 5KV 10 MBPS ISOLATED HALF-DU460 - Immediate$6.91View Details
IC 5KV 10 MBPS ISOLATED HALF-DUSI85855D-ISIC 5KV 10 MBPS ISOLATED HALF-DU444 - Immediate$6.91View Details
IC 5KV 10 MBPS ISOLATED FULL-DUSI85858D-ISIC 5KV 10 MBPS ISOLATED FULL-DU460 - Immediate$6.91View Details
IC 5KV 10 MBPS ISOLATED FULL-DUSI85838D-ISIC 5KV 10 MBPS ISOLATED FULL-DU460 - Immediate$6.91View Details
IC 5KV 10 MBPS ISOLATED HALF-DUSI85835D-ISIC 5KV 10 MBPS ISOLATED HALF-DU418 - Immediate$6.91View Details
IC 5KV 10 MBPS ISOLATED HALF-DUSI85856D-ISIC 5KV 10 MBPS ISOLATED HALF-DU442 - Immediate$6.91View Details
IC TRANSCEIVER HALF 1/1 16SOICSI85853D-ISRIC TRANSCEIVER HALF 1/1 16SOIC0 - Immediate$2.35View Details
IC TRANSCEIVER FULL 1/1 16SOICSI85857D-ISRIC TRANSCEIVER FULL 1/1 16SOIC0 - Immediate$2.35View Details
IC TRANSCEIVER HALF 1/1 16SOICSI85833D-ISRIC TRANSCEIVER HALF 1/1 16SOIC0 - Immediate$2.35View Details
IC TRANSCEIVER FULL 1/1 16SOICSI85837D-ISRIC TRANSCEIVER FULL 1/1 16SOIC0 - Immediate$2.35View Details
IC TRANSCEIVER FULL 1/1 16SOICSI85858D-ISRIC TRANSCEIVER FULL 1/1 16SOIC0 - Immediate$3.14View Details
IC TRANSCEIVER HALF 1/1 16SOICSI85855D-ISRIC TRANSCEIVER HALF 1/1 16SOIC0 - Immediate$3.14View Details
IC TRANSCEIVER HALF 1/1 16SOICSI85835D-ISRIC TRANSCEIVER HALF 1/1 16SOIC0 - Immediate$3.14View Details
IC TRANSCEIVER HALF 1/1 16SOICSI85856D-ISRIC TRANSCEIVER HALF 1/1 16SOIC0 - Immediate$3.14View Details
IC TRANSCEIVER HALF 1/1 16SOICSI85836D-ISRIC TRANSCEIVER HALF 1/1 16SOIC0 - Immediate$3.14View Details
IC TRANSCEIVER FULL 1/1 16SOICSI85838D-ISRIC TRANSCEIVER FULL 1/1 16SOIC0 - Immediate$3.14View Details

Si858x Kits

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR SI85853DSI85853-KITEVAL BOARD FOR SI85853D4 - Immediate$61.23View Details
EVAL BOARD FOR SI85857DSI85857-KITEVAL BOARD FOR SI85857D3 - Immediate$61.23View Details
EVAL BOARD FOR SI85858DSI85858-KITEVAL BOARD FOR SI85858D5 - Immediate$61.23View Details
EVAL BOARD FOR SI85856DSI85856-KITEVAL BOARD FOR SI85856D5 - Immediate$61.23View Details
EVAL BOARD FOR SI85855DSI85855-KITEVAL BOARD FOR SI85855D5 - Immediate$61.23View Details
EVAL BOARD FOR SI85833DSI85833-KITEVAL BOARD FOR SI85833D0 - Immediate$60.00View Details
EVAL BOARD FOR SI85837DSI85837-KITEVAL BOARD FOR SI85837D0 - Immediate$60.00View Details
EVAL BOARD FOR SI85835DSI85835-KITEVAL BOARD FOR SI85835D0 - Immediate$60.00View Details
EVAL BOARD FOR SI85836DSI85836-KITEVAL BOARD FOR SI85836D0 - Immediate$60.00View Details
EVAL BOARD FOR SI85838DSI85838-KITEVAL BOARD FOR SI85838D0 - Immediate$60.00View Details
Published: 2023-07-26