Product Summary

The SP3485CN is a +3.3V low power half-duplex transceiver that meets the specifications of the RS-485 and RS-422 serial protocols. The device is pin-to-pin compatible with the Sipex SP481, SP483, and SP485 devices as well as popular industry standards. The SP3485CN features Sipex’s BiCMOS process, allowing low power operation without sacrificing performance.

Parametrics

SP3485CN 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; (4)Drivers: ±15V; (5)Receivers: -0.3V to +6.0V; (6)Storage Temperature: -65℃ to +150℃; (7)Power Dissipation per Package, 8-pin NSOIC (derate 6.90mW/℃ above +70℃): 600mW; (8)8-pin PDIP (derate 11.8mW/℃ above +70℃): 1000mW.

Features

SP3485CN 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

SP3485CN block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
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
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