Product Summary

The SP491CN-L/TR is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 5Mbps. It features ±200mV receiver input sensitivity, over wide common mode range. The SP491CN-L/TR is available in 14-pin DIP and 14-pin NSOIC packages for operation over the commercial and industrial temperature ranges.

Parametrics

SP491CN-L/TR absolute maximum ratings: (1)VCC:+7V; (2)Input Voltages: Drivers:-0.5V to (VCC+0.5V), Receivers:±14V; (3)Output Voltages: Drivers:±14V, Receivers:-0.5V to (VCC+0.5V); (4)Storage Temperature:-65℃ to +150℃; (5)Power Dissipation:1000mW.

Features

SP491CN-L/TR features: (1)+5V Only; (2)Low Power BiCMOS; (3)Driver/Receiver Enable; (4)RS-485 and RS-422 Drivers/Receivers; (5)Pin Compatible with LTC491 and SN75180.

Diagrams

SP491CN-L/TR block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
SP491CN-L/TR
SP491CN-L/TR
Exar
RS-485 Interface IC Full Duplex RS-485 s
Data Sheet
0-1820: $0.46
1820-2500: $0.43
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(USD)		 Quantity
SP49
SP49
Triad Magnetics
Transformers Audio & Signal 300CT/600 XFMR PRI/SEC RED SPEC
Data Sheet
0-1: $13.19
1-10: $11.21
10-25: $10.02
25-50: $8.97
SP490
SP490
Other

Data Sheet
Negotiable 
SP490CN-L
SP490CN-L
Exar
Universal Bus Functions RS485 5000 kbps temp 0C to 70C
Data Sheet
0-1: $1.12
1-25: $0.91
25-100: $0.82
100-250: $0.71
SP490CN-L/TR
SP490CN-L/TR
Exar
Universal Bus Functions Full Duplex RS-485 s
Data Sheet
0-1820: $0.46
1820-2500: $0.43
SP490CS-L
SP490CS-L
Exar
Universal Bus Functions RS485 5000 kbps temp 0C to 70C
Data Sheet
0-1: $1.12
1-25: $0.89
25-100: $0.76
100-250: $0.64
SP490E
SP490E
Other

Data Sheet
Negotiable