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特性

  • IEC61000 ESD protection on RS-485 I/O pins: ±16.5kV
  • Class 3 ESD level on all other pins: >7kV HBM
  • ±3kV EFT immunity of bus I/O pins
  • Full fail-safe (open, short, terminated/floating) receivers
  • Hot plug - Tx and Rx outputs remain three-state during power-up
  • True 1/8 unit load allows up to 256 devices on the bus
  • Single 3.3V supply
  • High data rates: up to 500Kbps
  • Low quiescent supply current: 800μA (Max)
  • Ultra-low shutdown supply current: 10nA
  • -7V to +12V common-mode input/output voltage range
  • Half and full duplex pinouts
  • Current limiting and thermal shutdown for driver overload protection
  • Tiny MSOP packages consume 50% less board space
  • Pb-free (RoHS compliant)

描述

The RAA788175 3V half-duplex powered RS-485/RS-422 transceiver features a high output drive and high EFT and ESD protection. The device is immune to ±3kV IEC 61000-4-4 EFT transients and can withstand up to ±16.5kV IEC 61000-4-2 ESD strikes without latch‑up.

The RAA78817x family includes half and full-duplex transceivers with active-high driver-enable pins and active-low receiver-enable pins. These transceivers support data rates of 250kbps, 500kbps, and 20Mbps with a performance that is characterized from -40 °C to +85 °C.

产品参数

属性
Temp. Range (°C)-40 to +105°C, -40 to +125°C
Devices Allowed on Bus256

封装选项

Pkg. TypePkg. Dimensions (mm)Lead Count (#)Pitch (mm)
MSOP3.0 x 3.0 x 0.0080.7
SOICN4.9 x 3.9 x 0.0081.3

应用

  • Industrial networks in factory automation
  • Building automation: lighting, elevators, HVAC
  • Industrial process control networks
  • Security camera networks
  • Networks with a star topology
  • Long-haul networks in coal mines and oil rigs
  • High node-count networks
  • Automated utility e-meter reading systems
Part NumberStatusSamplesStockRoHSPackageBudgetary Price (USD)Lead Count (#)Carrier TypeMoisture Sensitivity Level (MSL)Pitch (mm)Pkg. Dimensions (mm)Pb (Lead) FreePb Free CategoryCountry of AssemblyCountry of Wafer Fabrication
RAA7881752GSP#AB0ActiveAvailableIn StockRoHS:EN
SOIC1ku | $0.818#Tube31.3mm4.9 x 3.9 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3CHINA, TAIWANUSA
RAA7881752GSP#HB0ActiveN/AOut of StockRoHS:EN
SOIC1ku | $0.818#Reel31.3mm4.9 x 3.9 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3MALAYSIA, TAIWANUSA
RAA7881752GSU#AB0ActiveAvailableIn StockRoHS:EN
MSOP1ku | $0.818#Tube20.7mm3.0 x 3.0 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3MALAYSIAUSA
RAA7881752GSU#HB0ActiveN/AOut of StockRoHS:EN
MSOP1ku | $0.818#Reel20.7mm3.0 x 3.0 x 0.00YesPb-Free 100% Matte Tin Plate w/Anneal-e3MALAYSIAUSA
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