ISO1176TDWR ISO1176TDW SOP16 Electronic Integrated Circuits Digital Isolator

ISO1176TDWR ISO1176TDW SOP16 Electronic Integrated Circuits Digital Isolator

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Features

Meets or Exceeds the Requirements of EN 50170and TIA/EA-485-ASignaling Rates up to 40 Mbps
Easy lsolated Power Design with IntegratedIransformer Driver
Typical Efficiency > 60% (LoAD = 100 mA) - seeSLUU471
Differential Output exceeds 2.1 V (54-0 Load)Low Bus Capacitance 10 pF (Maximum)Fail-safe Receiver for Bus Open, Short, or ldle50-kV/us Typical Transient ImmunitySafety and Regulatory Approvals4242 Vek Basic Insulation per DIN V VDE V0884-10 and DIN EN 61010-1
2500 VRms lsolation for 1 minute per UL 1577CSA Component Acceptance Notice 5A, IEC60950-1 and IEC 61010-1 Standards

2 Applications

Profibuso
Factory AutomationNetworked Sensors
Motor/motion Control
HVAC and Building Automation NetworksNetworked Security Stations

3 Description

The ISO1176Tis an isolated differentiallinetransceiver with integrated oscillator outputs thatprovide the primary voltage for an isolationtransformer. The device is ideal for long transmissionlines because the ground loop is broken to allow thedevice to operate with a much larger common-modevoltage range.
The symmetrical isolation barrier of each device istested to provide 4242Vpk of isolation per VDE for 60seconds between the line transceiver and the logicevel interface

The galvanically isolated differential bus transceiver isan integrated circuit designed for bi-directional datacommunication on multipoint bus-transmission lines.The transceiver combines a galvanically isolateddifferential line driver and differential input linereceiver. The driver has an active high enable withisolated enable-state output on the ISODE pin (pin10) to facilitate direction control. The driver differentialoutputs and the receiver differential inputs connectinternally to form a differential input/output (WO) busport that is designed to offer minimum loading to thebus whenever the driver is disabled or Vcc2 = 0.
Any cabled WO can be subjected to electrical noisetransients from various sources. These noisetransients can cause damage to the transceiverand/or near-by sensitive circuitry if they are ofsufficient magnitude and duration. The ISO1176T

cansignificantly reduce the risk of data corruption anddamage to expensive control circuits.The device is characterized for operation over theambient temperature range of -40°C to 85C.

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