SP1481E

Obsolete

The SP1481E and the SP1485E are a family of half-duplex transceivers that meet the specifications of RS-485 and RS-422 serial protocols with enhanced ESD

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Technical parameters

Power
Supply Voltage (Nom) (V)	5
Typ Shutdown Current (µA)	10
Environment and package
Dimensions	Dimensions: mm Length: 4.90 Width: 3.90 Thickness: 1.75 Lead Pitch: 1.27
File Size	464.2 KB
Max Temp	70
Min Temp	0
Package	NSOIC-8
Temperature Range (°C)	0 to 70, -40 to 85
Other
01/06/2016	Alternate assembly site Addition of an alternate assembly supplier JCET (China).
01/29/2015	Alternate foundry and process changes. Qualification of TSMC foundry for 0.25um HV20 process.
02/02/2006	Announcing transfer of certain Power Management and Interface Products from Hillview fabrication facility to wafer foundary Episil. See attached Product List Power Management and Interface products as listed are being transfer to external wafer foundry, due to cessation of operations of the sipex Hillview Fabrication manufacturing site
02/28/2007	Product Obsolescence Letter and Discontinuation Notification. Discontinued.
04/28/2016	Qualification of alternate assembly subcon, JCET.
05/08/2006	Announcing transfer of certain Power Management and Interface Products from Hillview fabrication facility to wafer foundary Episil. See attached Product List Power Management and Interface products as listed are being transfer to external wafer foundry, due to cessation of operations of the sipex Hillview Fabrication manufacturing site
05/19/2009	Notice of Obsolescence Discontinued by Exar Corporation due to low market demand
06/01/2023	In 2023, MaxLinear will be converting all shipping labels for the parts noted from an EXAR format to MaxLinear’s label. During this transition customers may receive either label. This change affects only shipping and packing labels. This change will not affect the part number, part marking, manufacturing process or manufacturing sites. Only work in progress material will be converted. Existing inventory from MaxLinear’s warehouse, channel sales, distributor, and such, will not be converted. Hence, customers may experience receiving mixed shipments with both Exar and MaxLinear labels for some period until existing inventory of old labels is eventually cleared out. Situation is product to product with no predictable way to determine when all old labels will be exhausted. No change to product form, fit, function and reliability.
07/02/2013	Qualification of an alternate qualified assembly supplier, ASE Chung-Li (Taiwan) for the 8L NSOIC package using copper wire bonding. Material change and alternate assembly supplier qualified.
07/11/2017	Product Discontinuation Notification
07/17/2023	In 2023, MaxLinear will be converting all shipping labels for the parts noted from an EXAR format to MaxLinear’s label. During this transition customers may receive either label. This change affects only shipping and packing labels. This change will not affect the part number, part marking, manufacturing process or manufacturing sites. Only work in progress material will be converted. Existing inventory from MaxLinear’s warehouse, channel sales, distributor, and such, will not be converted. Hence, customers may experience receiving mixed shipments with both Exar and MaxLinear labels for some period until existing inventory of old labels is eventually cleared out. Situation is product to product with no predictable way to determine when all old labels will be exhausted. No change to product form, fit, function and reliability. ADDENDUM A: Fixed MBB label logo for DX204001 to MaxLinear logo. ADDENDUM B: Replaced ‘All other affected products outer box label’ with clearer pictures. Corrected Date Issued (from original PCN) issue date +90 days to August 30, 2023.
07/26/2013	5-inch wafer with PSG 10KÅ passivation Material and other (foundry 6 inch wafer qualification) changes.
07/26/2016	Product discontinuation notification. Discontinued.
08/16/2013	Remove 8KV contact discharge ESD specification to align with Industry Standard ESD specifications for Serial Transceiver products. Datasheet correction.
11/26/2008	Notice of Obsolescence Package Discontinuation Notice
19200	50
2400	3000
4800	1000
9600	500
Baud Rate (bps)	Maximum RS-232 Cable Length (ft)
Data Rate (MAX) (Mbps)	20
Date	May 2013
Description	In 2023, MaxLinear will be converting all shipping labels for the parts noted from an EXAR format to MaxLinear’s label. During this transition customers may receive either label. This change affects only shipping and packing labels. This change will not affect the part number, part marking, manufacturing process or manufacturing sites. Only work in progress material will be converted. Existing inventory from MaxLinear’s warehouse, channel sales, distributor, and such, will not be converted. Hence, customers may experience receiving mixed shipments with both Exar and MaxLinear labels for some period until existing inventory of old labels is eventually cleared out. Situation is product to product with no predictable way to determine when all old labels will be exhausted. No change to product form, fit, function and reliability. ADDENDUM A: Fixed MBB label logo for DX204001 to MaxLinear logo. ADDENDUM B: Replaced ‘All other affected products outer box label’ with clearer pictures. Corrected Date Issued (from original PCN) issue date +90 days to August 30, 2023.
Details	JEDEC Reference: MS-012 MSL Pb-Free: L1 @ 260ºC MSL SnPb Eutectic: n/a ThetaJA: 128.4ºC/W (std); 96.8ºC/W (fused)
Distribution Date	07/17/2023
Duplex	Half
HBM ESD (kV)	15
ICC (Max) (mA)	-
IEC 61000-4-2 Contact (±kV)	-
Information	20Mbps Half-Duplex RS-485 Transceivers with +/-15KV ESD
Multi-Drop Nodes	32
No. of Rx	1
No. of Tx	1
Part Number	SP1481ECN
Pkg Code	NSOIC8
Quantities	Bulk Pack Style: Tube Quantity per Bulk Pack: 98 Quantity per Reel: 2500 Quantity per Tube: 98 Quantity per Tray: n/a Reel Size (Dia. x Width x Pitch): 330 x 12 x 8 Tape & Reel Unit Orientation: Quadrant 1
Rx Fail-Safe	Advanced
Shutdown	✔
Status	OBS
Supported Protocols	RS-422, RS-485
Title	SP1481E/SP1485E Enhanced Low Power Half-Duplex RS-485 Transceivers
Type	Data Sheets
Version	1.0.3

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