|Information||Quad RS-485/RS-422 Line Drivers|
|Supported Protocols||RS-422, RS-485|
|Supply Voltage (Nom) (V)||5|
|No. of Tx||4|
|No. of Rx||0|
|Data Rate (MAX) (Mbps)||10|
|HBM ESD (kV)||2|
|IEC 61000-4-2 Contact (±kV)||-|
|Transient Tolerance (V)|
|Fault Tolerance (V)|
|Temperature Range (°C)||0 to 70|
|ICC (Max) (mA)||0.01|
|Typ Shutdown Current (µA)|
|PROFIBUS (5V) or High Output (3V)|
The SP486 and SP487 are low–power quad differential line drivers meeting
RS-485 and RS-422 standards. The SP486 features a common driver enable
control; the SP487 provides independent driver enable controls for each
pair of drivers. Both feature tri–state outputs and wide common–mode
input range. Both are available in 16–pin plastic DIP and SOIC packages.
- RS-485 or RS-422 Applications
- Quad Differential Line Drivers
- Tri–state Output Control
- 40ns Typical Driver Propagation Delays
- 5ns Skew
- –7V to +12V Common Mode Output Range
- 100uA Supply Current
- Single +5V Supply Operation
- Pin Compatible with SN75172, SN75174, LTC486, and LTC487
Documentation & Design Tools
|Data Sheets||SP486/SP487 Quad RS-485/RS-422 Line Drivers||1.0.1||February 2020||432.1 KB|
|Application Notes||RS-232 and RS-485 PCB Layout Application Note||R00||December 2022||2.8 MB|
|Application Notes||AN-292, RS-485 Cable Lengths vs Data Signaling Rate||R01||July 2022||2.7 MB|
|Application Notes||ANI-13, RS-485 and RS-422 Physical Topologies||D||December 2006||183.2 KB|
|Product Brochures||Interface Brochure||November 2023||3.7 MB|
Quality & RoHS
|Part Number||RoHS | Exempt||RoHS||Halogen Free||REACH||TSCA||MSL Rating / Peak Reflow||Package|
|SP487CT-L||N||Y||Y||Y||Y||L3 / 260ᵒC||WSOIC16|
|SP487CT-L/TR||N||Y||Y||Y||Y||L3 / 260ᵒC||WSOIC16|
Click on the links above to download the Certificate of Non-Use of Hazardous Substances.
Parts & Purchasing
|Part Number||Pkg Code||Min Temp||Max Temp||Status||Suggested Replacement||Buy Now||Order Samples||PDN|
Active - the part is released for sale, standard product.
EOL (End of Life) - the part is no longer being manufactured, there may or may not be inventory still in stock.
CF (Contact Factory) - the part is still active but customers should check with the factory for availability. Longer lead-times may apply.
PRE (Pre-introduction) - the part has not been introduced or the part number is an early version available for sample only.
OBS (Obsolete) - the part is no longer being manufactured and may not be ordered.
NRND (Not Recommended for New Designs) - the part is not recommended for new designs.
FAQs & Support
Search our list of FAQs for answers to common technical questions.
For material content, environmental, quality and reliability questions review the Quality tab or visit our Quality page.
For ordering information and general customer service visit our Contact Us page.
Submit a Technical Support Question As a New Question
For RS-232 it is 50 feet (15 meters), or the cable length equal to a capacitance of 2500 pF, at a maximum transmission rate of 19.2kbps. When we reduce the baud rate, it allows for longer cable length. For Example:
Baud Rate (bps)
Maximum RS-232 Cable Length (ft)
The Parts & Purchasing section of the product page shows the Status of all orderable part numbers for that product. Click Show obsolete parts, to see all EOL or OBS products.