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DS481

Features: Meets TIA/EIA RS-485 multipoint standardSleep mode reduces ICC to 0.2µAGuaranteed full load output voltage (VOD3)Low quiescent current:200µA typ−7V to +12V common-mode input voltage rangeTRI-STATE outputs on driverand receiverAC performance:-Driver transition time:25 ns...

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SeekIC No. : 004329127 Detail

DS481: Features: Meets TIA/EIA RS-485 multipoint standardSleep mode reduces ICC to 0.2µAGuaranteed full load output voltage (VOD3)Low quiescent current:200µA typ−7V to +12V common-mode in...

DS481 Data Sheet

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Part Number:
DS481
Supply Ability:
5000

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

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Product Details

Description



Features:

Meets TIA/EIA RS-485 multipoint standard
Sleep mode reduces ICC to 0.2µA
Guaranteed full load output voltage (VOD3)
Low quiescent current:200µA typ
−7V to +12V common-mode input voltage range
TRI-STATE outputs on driverand receiver
AC performance:
-Driver transition time:25 ns typ
-Driver propagation delay:40 ns typ
-Driver skew:1 ns typ
-Receiver propagation delay:200 ns typ
-Receiver skew:20 ns typ
Half-duplex flow through pinout
Operates from a single 5V supply
Allows up to 128 transceivers on the bus (DS481N/M)
Allows up to 64 tranceivers on the bus (DS481TN/M)
Current-limiting and thermal shutdown for driver overload protection
Industrial temperature range operation
Pin and functional compatible with MAX481 Cand MAX481E




Specifications

Supply Voltage (VCC)+12V
Enable Input Voltage
(RE (Note1),DE) −0.5V to(VCC+0.5V)
Driver Input Voltage (DI)−0.5V to(VCC+0.5V)
Driver Output Voltage(A,B) −14V to+14V
Receiver Input Voltage(A,B) −14V to+14V
Receiver Output Voltage( RO) −0.5V to(VCC+0.5V)
Maximum Package Power Dissipation @ +25˚C
M Package 1.19W
N Package0.74W
Derate M Package 9.5mW/˚C above +25˚C
Derate N Package 6.0mW/˚C above +25˚C
Maximum Package Power Dissipation @ +70˚C
M Package0.76W
N Package 0.47W
Storage Temperature Range −65˚C to+150˚C
Lead Temperature Range
(Soldering, 4sec.)+260˚C
ESD (HBM) 2kV




Description

The DS481 is a low-power transceiver for RS-485 and RS-422 communication.The device contains one driver and one receiver.The drivers slew rate allows for operation up to 2.0 Mbps(see Applications Information section).

The DS481 transceiver draws 200 µA of supply current when un-loaded or 0.2µA when in the automatic sleep mode.Sleep mode is activated by in activity on the enables (DE and RE (Note1)).Holding DE=Land RE (Note1)=H for greater than 600 ns will enable the sleep mode.The DS481 operates from a single +5V supply.

The DS481 driveris short-circuit current limited and is protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into TRI-STATE ®(High Impedance state)under fault conditions.The driver guarantees a minimum of 1.5V differential output voltage with maximum loading across the commonmode range (VOD3).

The DS481 receiver has a fail safe feature that guarantees a logic-high output if the input is open circuit.

The DS481 is available in surface mount and DIP packages and is characterized for Industrial and Commercial tempera-ture range operation.






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