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ST485ER

Features: ` LOW QUIESCENT CURRENT: 300A` DESIGNED FOR RS-485 INTERFACE APPLICATIONS` -7V TO 12V COMMON MODE INPUT VOLTAGE RANGE` DRIVER MAINTAINS HIGH IMPEDANCE IN 3-STATE OR WITH THE POWER OFF` 70mV TYPICAL INPUT HYSTERESIS` 30ns PROPAGATION DELAYS, 5ns SKEW` OPERATE FROM A SINGLE 5V SUPPLY` CURR...

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SeekIC No. : 004506529 Detail

ST485ER: Features: ` LOW QUIESCENT CURRENT: 300A` DESIGNED FOR RS-485 INTERFACE APPLICATIONS` -7V TO 12V COMMON MODE INPUT VOLTAGE RANGE` DRIVER MAINTAINS HIGH IMPEDANCE IN 3-STATE OR WITH THE POWER OFF` 70m...

ST485ER Data Sheet

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Part Number:
ST485ER
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2026/1/17

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Product Details

Description



Features:

` LOW QUIESCENT CURRENT: 300A
` DESIGNED FOR RS-485 INTERFACE APPLICATIONS
` -7V TO 12V COMMON MODE INPUT VOLTAGE RANGE
` DRIVER MAINTAINS HIGH IMPEDANCE IN 3-STATE OR WITH THE POWER OFF
` 70mV TYPICAL INPUT HYSTERESIS
` 30ns PROPAGATION DELAYS, 5ns SKEW
` OPERATE FROM A SINGLE 5V SUPPLY
` CURRENT LIMITING AND THERMAL SHUTDOWN FOR DRIVER OVERLOAD PROTECTION
` ESD PROTECTION:
    ±15KV (H.B.M.)
    ±8KV (IEC-1000-4-2 CONTACT DISCHARGE)
` ALLOWS UP TO 256 TRANSCEIVERS ON THE BUS



Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
VCC
 Supply Voltage
7
V
VI
 Control Input Voltage (RE, DE)
-0.5 to (VCC + 0.5)
V
VDI
 Driver Input Voltage (DI)
-0.5 to (VCC + 0.5)
V
VDO
 Driver Output Voltage (A, B)
± 12.5
V
VRI
 Receiver Input Voltage (A, B)
± 12.5
V
VRO
 Receiver Output Voltage (RO)
-0.5 to (VCC + 0.5)
V
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is not implied.


Description

The ST485E is al low power transceiver for RS-485 and RS-422 communication. Each driver output and receiver input is protected against ±15KV electrostatic discharge (H.B.M.) ±8KV (IEC-1000-4-2 contact discharge) shocks, without
latchup. These parts contain one driver and one receiver.

This transceiver ST485E draws 300A (typ.) of supply current when unloaded or fully loaded with disabled drivers.

ST485E operates from a single 5V supply.

Driver ST485E 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 ST485E is designed for bi-directional data communications on multipoint bus transmission line (half-duplex applciations).




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