MAX485 ESA SMD IC Low-Power, Slew-Rate-Limited Transceiver

@ MODERN HALLROAD

MAX485 ESA SMD IC is low-power transceivers for RS-485 and RS422 communication. The IC contains one driver and one receiver.

 40.00

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MAX485 ESA SMD IC is low-power transceivers for RS-485 and RS422 communication. The IC contains one driver and one receiver. The driver slew rates of the MAX485 is not limited, allowing them to transmit up to 2.5Mbps.

These transceivers draw between 120µA and 500µA of supply current when unloaded or fully loaded with disabled drivers.

All parts operate from a single 5V supply. Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state.

The receiver input has a fail-safe feature that guarantees a logic-high output if the input is open circuit. MAX485 ESA SMD IC is designed for half-duplex applications.

MAX485 ESA SMD IC BiCMOS design allows low power operation without sacrificing performance. The MAX485 meets the requirements of the RS-485 and RS-422 protocols up to 5Mbps underload.

The ESD tolerance is more than ±8kV for both Human Body Model and ±15kV for IEC61000-4-2 Air Discharge Method on this device.

Drivers are short-circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high-impedance state.

The receiver input has a fail-safe feature that guarantees a logic-high output if the input is open circuit.

The MAX485 ESA SMD IC feature quarter-unit-load receiver input impedance, allowing up to 128 MAX487/ MAX1487 transceivers on the bus. 

Features: –

  • Low Quiescent Current: 300µA
  • 7V to +12V Common-Mode Input Voltage Range
  • Three-State Outputs
  • 30ns Propagation Delays, 5ns Skew
  • Operate from a Single 5V Supply
  • Allows up to 32 Transceivers on the Bus
  • Data rate: 2.5 Mbps
  • Current-Limiting and Thermal Shutdown for Driver Overload Protection
  • The transmitter outputs and receiver inputs are protected to ±15kV Air ESD

MAX485 ESA SMD IC Specifications: –

Parameter Value
Part Number MAX485
Half/Full Duplex Half
Data Rate (Mbps) 2.5
Slew-Rate Limited No
Lowpower Shutdown No
Receiver/ Driver Enable Yes
QUIESCENT CURRENT (Μa) 300
Number Of Receivers On Bus 32
Pin Count 8

Applications: –

  • Low-Power RS-485 Transceivers
  • Low-Power RS-422 Transceivers
  • Level Translators Transceivers for EMI-Sensitive Applications
  • Industrial-Control Local Area Networks
Datasheet: –

datasheet.lcsc.com/…/2001140931_HTC-Korea-TAEJIN-Tech-MAX485ED_C481667.pdf

Package: –

1 x MAX485 ESA SMD IC

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