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SP1490E

Features: +5V Only Low Power BiCMOS Driver/Receiver Enable (SP1491E) RS-485 and RS-422 Drivers/Receivers Pin Compatible with SN75179(SP1490E) Pin Compatible with SN75180(SP1491E) Improved ESD Specifications ±15kV Human Body Model ±15kV IEC1000-4-2 Air Discharge ±8kV IEC1000-4-2 Contact DischargeA...

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SeekIC No. : 004500170 Detail

SP1490E: Features: +5V Only Low Power BiCMOS Driver/Receiver Enable (SP1491E) RS-485 and RS-422 Drivers/Receivers Pin Compatible with SN75179(SP1490E) Pin Compatible with SN75180(SP1491E) Improved ESD Speci...

SP1490E Data Sheet

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Part Number:
SP1490E
Supply Ability:
5000

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

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Product Details

Description



Features:

+5V Only
Low Power BiCMOS
Driver/Receiver Enable (SP1491E)
RS-485 and RS-422 Drivers/Receivers
Pin Compatible with SN75179(SP1490E)
Pin Compatible with SN75180(SP1491E)
Improved ESD Specifications ±15kV Human Body Model ±15kV IEC1000-4-2 Air Discharge ±8kV IEC1000-4-2 Contact Discharge




Application

Industial Networks
Motor Control
HVAC/ Building Control
Telecom




Pinout

Connection Diagram




Specifications

Specifications
Vcc (V) 5
No. of Tx 1
No. of Rx 1
Duplex Full
Data Rate (kbps) 20000
ESD (KV) 15
Rx Fail-Safe Open Yes
Rx Fail-Safe Short No
Shutdown
Multi-Drop Nodes 32


VCC.....................................................................................+7V
Input Voltages
Drivers.......................................................-0.5V to (VCC+0.5V)
Receivers.........................................................................±14V
Output Voltages
Drivers.............................................................................±14V
Receivers..................................................-0.5V to (VCC+0.5V)
Storage Temperature.......................................-65°C to +150°
Power Dissipation.......................................................1000mW




Description

The SP1490E and SP1491E are full-duplex differential transceivers that meet the requirements of RS-485 and RS-422. Fabricated with a Sipex proprietary BiCMOS process, both products require a fraction of the power of older bipolar designs.

The RS-485 standard is ideal for multi-drop applications or for long-distance interfaces.RS-485 allows up to 32 drivers and 32 receivers to be connected to a data bus, making SP1490E an ideal choice for multi-drop applications. Since the cabling can be as long as 4,000 feet, RS-485 transceivers are equipped with a wide (-7V to+12V) common mode range to accommodate ground potential differences. Because RS-485 is a differential interface, data is virtually immune to noise in the transmission line.






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