Chuantu microelectronics 𞓜 subminiature package isolated half duplex 485 transceiver

 

01 Product overview

CA-IS2082B It is an isolated half duplex with high reliability RS-485 Transceiver products . The chip adopts a super small size SSOP16 encapsulation ,body size Only for 4.9x3.9mm, It can greatly save the space of cloth plate , Meet miniaturization requirements .

CA-IS2082B High insulation capacity , Helps prevent noise and surges on the data bus or other circuits from entering the local ground terminal , So as to interfere with or damage the sensitive circuit . high CMTI The ability can ensure the correct transmission of digital signals .CA-IS2082B The device supports insulation and withstand voltage up to 3kVRMS.

 

02 Product characteristics

• accord with TIA/EIA-485-A standard

• Signal transmission rate ： the height is 5Mbps

• Fail safe receiver ( Bus open circuit 、  A short circuit )

• Support up to 256 Bus nodes

• Bus pin ESD Ability

- Bus pin pairs GNDB ±8kV HBM

- Other pin pairs on the bus side GNDB ±6kV HBM

- Signal side pin pair GNDA ±6kV HBM

- Bus side ±12 kV IEC 61000-4-2 

   Contact Discharge 

• 2.5 V to 5.5 V Logic side power supply  (VDDA)

• 4.5 V to  5.5 V Bus side power supply (VDDB)

• In the receiving state , The bus input is open or short circuited, and the receiver outputs high level

• Wide temperature range ： -40 °C to 125 °C

• The pins are compatible with most isolated types  RS-485  Transceiver

• high CMTI：±100 kV/µs ( Typical values )

• the height is 3000 VRMS Isolation and withstand voltage

• Barrier life ： >40 year

• Package form ：SSOP16