ST1480US

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3.3V powered, 15kV ESD protected, up to 12Mbps true RS-485/RS-422 transceiver

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Product overview

Description

The ST1480US is ±15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST1480US transmits and receives at a guaranteed data rate of at least 12 Mbps. All transmitter outputs and receiver inputs are protected to ±15 kV using human body model. Driver is short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state.

The ST1480US input has a true fail-safe feature that guarantees a logic high output if both inputs are open circuit, shorted together or in the presence of a termination with no signal on the bus.

  • All features

    • ESD protection
      • – ±15 kV human body model
      • – ±8 kV IEC 1000-4-2 contact discharge
    • Operates from a single 3.3 V supply - no charge pump required
    • Interoperable with 5 V logic
    • 1 μA low current shutdown mode max.
    • Guaranteed 12 Mbps data rate
    • -7 to 12 common mode input voltage range
    • Half duplex versions available
    • Industry standard 75176 pinout
    • Current limiting and thermal shutdown for driver overload protection
    • Guaranteed high receiver output state for floating, shorted or terminated inputs with no signal present
    • Allows up to 64 transceivers on the bus

EDA Symbols, Footprints and 3D Models

STMicroelectronics - ST1480US

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Quality and Reliability

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
ST1480ACDR/US
Active
SO-8 Industrial Ecopack3

ST1480ACDR/US

Package:

SO-8

Material Declaration**:

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Marketing Status

Active

Package

SO-8

Grade

Industrial

RoHS Compliance Grade

Ecopack3

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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ST1480ACDR/US
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ST1480ACDR/US Active

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ST1480ACDR/US

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(*) Suggested Resale Price (USD) per defined quantity for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors