Product Summary

The SP3485 is a +3.3V low power half-duplex transceiver that meets the specifications of the RS-485 and RS-422 serial protocols. It is compatible with the Sipex SP481, SP483, and SP485 devices as well as popular industry standards. The SP3485 meets the electrical specifications of RS-485 and RS-422 serial protocols up to 10Mbps under load.

Parametrics

SP3485 absolute maximum ratings: (1)VCC: +6.0V; (2)Input Voltages, Logic: -0.3V to +6.0V; Drivers: -0.3V to +6.0V; Receivers: ±15V; (3)Output Voltages, Drivers: ±15V; Receivers: -0.3V to +6.0V; (4)Storage Temperature:-65 to +150℃; (5)Power Dissipation per Package, 8-pin NSOIC (derate 6.90mW/oC above +70℃): 600mW; 8-pin PDIP (derate 11.8mW/℃ above +70℃): 1000mW.

Features

SP3485 features: (1)RS-485 and RS-422 Transceivers; (2)Operates from a single +3.3V supply; (3)Interoperable with +5.0V logic; (4)Driver/Receiver Enable; (5)Low Power Shutdown Mode (SP3481); (6)-7V to +12V Common-Mode Input Voltage Range; (7)Allows up to 32 transceivers on the serial bus; (8)Compatibility with the industry standard 75176 pinout; (9)Driver Output Short-Circuit Protection.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
SP3485CN-L/TR
SP3485CN-L/TR
Exar
RS-485 Interface IC 3.3V LoPwr Half-Dup RS485w/10Mbps Data
Data Sheet
0-1580: $0.74
1580-2500: $0.68
SP3485EN-L
SP3485EN-L
Exar
RS-485 Interface IC RS485 10000 kbp 3.3V temp -40C to 85C
Data Sheet
0-1: $1.61
1-25: $1.27
25-100: $1.08
100-250: $0.91
SP3485EN-L/TR
SP3485EN-L/TR
Exar
RS-485 Interface IC 3.3V LoPwr Half-Dup RS485w/10Mbps Data
Data Sheet
0-1570: $0.77
1570-2500: $0.70
SP3485CN-L
SP3485CN-L
Exar
RS-485 Interface IC RS485 10000 kbp 3.3V temp 0C to 70C
Data Sheet
0-1: $1.57
1-25: $1.24
25-100: $1.05
100-250: $0.89
SP3485
SP3485
Other

Data Sheet
Negotiable