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The SP490 is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. The SP491 is identical to the SP490 with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range. The SP490 is available in 8-pin plastic DIP and 8-pin NSOIC packages for operation over the commercial and industrial temperature ranges. The SP491 is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges.

Features:

+5V Only

Low Power BiCMOS

Driver/Receiver Enable (SP491)

RS-485 and RS-422 Drivers/Receivers

Pin Compatible with LTC490 and SN75179 (SP490)

Pin Compatible with LTC491 and SN75180 (SP491)

Brand/Series	SP49 Series
Data Rate	5 Mbit/s
Dimensions	8.65 x 3.9 x 1.65 mm
Height	0.065" (1.65mm)
Length	0.34" (8.65mm)
Mounting Type	Surface Mount
Number of Pins	14
Number of Receivers	1 (RS422), 1 (RS485)
Package Type	nSOIC
Receiver Signal Type	Differential
Standards	RS-422, RS-485
Temperature, Operating, Maximum	+70 °C
Temperature, Operating, Minimum	0 °C
Temperature, Operating, Range	0 to +70 °C
Transmitter Type	Differential
Type of Power Supply	Single
Typical Single Supply Voltage	5 V
Width	0.154" (3.9mm)
关键词

Brand/Series SP49 Series  Exar Brand/Series SP49 Series  Line Transceivers Brand/Series SP49 Series  Exar Line Transceivers Brand/Series SP49 Series   Data Rate 5 Mbit/s  Exar Data Rate 5 Mbit/s  Line Transceivers Data Rate 5 Mbit/s  Exar Line Transceivers Data Rate 5 Mbit/s   Dimensions 8.65 x 3.9 x 1.65 mm  Exar Dimensions 8.65 x 3.9 x 1.65 mm  Line Transceivers Dimensions 8.65 x 3.9 x 1.65 mm  Exar Line Transceivers Dimensions 8.65 x 3.9 x 1.65 mm   Height 0.065" (1.65mm)  Exar Height 0.065" (1.65mm)  Line Transceivers Height 0.065" (1.65mm)  Exar Line Transceivers Height 0.065" (1.65mm)   Length 0.34" (8.65mm)  Exar Length 0.34" (8.65mm)  Line Transceivers Length 0.34" (8.65mm)  Exar Line Transceivers Length 0.34" (8.65mm)   Mounting Type Surface Mount  Exar Mounting Type Surface Mount  Line Transceivers Mounting Type Surface Mount  Exar Line Transceivers Mounting Type Surface Mount   Number of Pins 14  Exar Number of Pins 14  Line Transceivers Number of Pins 14  Exar Line Transceivers Number of Pins 14   Number of Receivers 1 (RS422), 1 (RS485)  Exar Number of Receivers 1 (RS422), 1 (RS485)  Line Transceivers Number of Receivers 1 (RS422), 1 (RS485)  Exar Line Transceivers Number of Receivers 1 (RS422), 1 (RS485)   Package Type nSOIC  Exar Package Type nSOIC  Line Transceivers Package Type nSOIC  Exar Line Transceivers Package Type nSOIC   Receiver Signal Type Differential  Exar Receiver Signal Type Differential  Line Transceivers Receiver Signal Type Differential  Exar Line Transceivers Receiver Signal Type Differential   Standards RS-422, RS-485  Exar Standards RS-422, RS-485  Line Transceivers Standards RS-422, RS-485  Exar Line Transceivers Standards RS-422, RS-485   Temperature, Operating, Maximum +70 °C  Exar Temperature, Operating, Maximum +70 °C  Line Transceivers Temperature, Operating, Maximum +70 °C  Exar Line Transceivers Temperature, Operating, Maximum +70 °C   Temperature, Operating, Minimum 0 °C  Exar Temperature, Operating, Minimum 0 °C  Line Transceivers Temperature, Operating, Minimum 0 °C  Exar Line Transceivers Temperature, Operating, Minimum 0 °C   Temperature, Operating, Range 0 to +70 °C  Exar Temperature, Operating, Range 0 to +70 °C  Line Transceivers Temperature, Operating, Range 0 to +70 °C  Exar Line Transceivers Temperature, Operating, Range 0 to +70 °C   Transmitter Type Differential  Exar Transmitter Type Differential  Line Transceivers Transmitter Type Differential  Exar Line Transceivers Transmitter Type Differential   Type of Power Supply Single  Exar Type of Power Supply Single  Line Transceivers Type of Power Supply Single  Exar Line Transceivers Type of Power Supply Single   Typical Single Supply Voltage 5 V  Exar Typical Single Supply Voltage 5 V  Line Transceivers Typical Single Supply Voltage 5 V  Exar Line Transceivers Typical Single Supply Voltage 5 V   Width 0.154" (3.9mm)  Exar Width 0.154" (3.9mm)  Line Transceivers Width 0.154" (3.9mm)  Exar Line Transceivers Width 0.154" (3.9mm)