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SP485R

Features: ` Allows Over 400 Transceivers On A Transmission Line (1/10th Unit Load)` High Impedance on Receiver Inputs (RIN = 150k typical)` Half-Duplex Configuration Consistent With Industry Standard Pinout` 7V to +12V Common Mode Input Voltage Range` Includes Shutdown Mode (ICC < 10µA) (...

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SeekIC No. : 004500440 Detail

SP485R: Features: ` Allows Over 400 Transceivers On A Transmission Line (1/10th Unit Load)` High Impedance on Receiver Inputs (RIN = 150k typical)` Half-Duplex Configuration Consistent With Industry Standar...

SP485R Data Sheet

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Part Number:
SP485R
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: 2025/12/24

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Product Details

Description



Features:

` Allows Over 400 Transceivers On A Transmission Line (1/10th Unit Load)
` High Impedance on Receiver Inputs (RIN = 150k typical)
` Half-Duplex Configuration Consistent With Industry Standard Pinout
` 7V to +12V Common Mode Input Voltage Range
` Includes Shutdown Mode (ICC < 10µA) (For SP481R Only)
` Low Power Consumption (250mW)
` Separate Driver and Receiver Enable




Pinout

Connection Diagram




Specifications

VCC +7V
Storage Temperature -65 to +150
Power Dissipation
8-pin Plastic DIP
8-pin Plastic N-SOIC
1000mW
1000mW
Package Derating:
8-pin Plastic DIP øJA
8-pin Plastic N-SOIC øJA
62 /W
62 /W


Specifications
Vcc (V) 5
No. of Tx 1
No. of Rx 1
Duplex Half
Data Rate (kbps) 1000
ESD (KV) 2
Typ. Shutdown ICC (A) 0.5
Rx Fail-Safe Open Yes
Multi-Drop Nodes 400





Description

The SP481R and SP485R are pin-to-pin equivalent with our existing SP485 product and contain enhancements such as higher ESD tolerance and high receiver input impedance. The higher receiver input impedance allows for connecting over 400 transceivers on a single transmission line without degrading the RS-485 driver signal. Each device is packaged in an 8-pin plastic DIP or 8-pin narrow SOIC package. The SP481Roffers a shutdown feature via the enable pins which will reduce the supply current (ICC) below 0.5µA typical.






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