SP483,SP485 Pinout (Top View)

SP485EN

Drivers, Receivers, Transceivers8-pin NSOIC

IC TRANSCEIVER RS-485/RS-422 5MBPS 8-SOIC

SP485EN is a half-duplex RS-485/RS-422 transceiver supporting 5Mbps data rate, in an 8-pin NSOIC package, with an operating temperature of -40°C to +85°C, featuring low-power BiCMOS design and driver/receiver enable control.Checked against the datasheet

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Technical parameters

Key specs

ProtocolRS-485

Drivers/Receivers1

Data rate5 MbpsMin · RE=5V，DE=5V (Driver)，RE=0V，DE=0V (Receiver)

Supply voltage4.75 ~ 5.25 V

Datasheet-verified parameters

24 items

Parameter	Value and test conditions	Source
Protocol	RS-485, RS-422
Drivers / Receivers	1 Driver, 1 Receiver
Data Rate	5 Mbps (Min), RE=5V, DE=5V (Driver); RE=0V, DE=0V (Receiver)
Supply Voltage	4.75 V (Min) to 5.25 V (Max)
Package	8-pin NSOIC
Operating Temperature	-40°C to +85°C (Industrial _E_)
Grade	Industrial (_E_)
RoHS	Lead-Free: Yes
Absolute Maximum Rating - Vcc	+7 V
Recommended Operating Conditions - Supply Voltage	4.75 V (Min) to 5.25 V (Max)
Supply Current	900 μA (Typ), No Load; RE, DI = 0V or Vcc; DE = Vcc
Differential Output Voltage (Unloaded)	Vcc (Max), Unloaded; R = ∞
Differential Output Voltage (RS-485 Load)	1.5 V (Min) to Vcc (Max), With Load; R = 27Ω
Driver Short Circuit Current (High)	250 mA (Max), -7V ≤ VO ≤ +12V
Driver Propagation Delay (Low to High)	30 ns (Typ) to 60 ns (Max), RDIFF=54Ω, CL1=CL2=100pF
Driver Propagation Delay (High to Low)	30 ns (Typ) to 60 ns (Max), RDIFF=54Ω, CL1=CL2=100pF
Receiver Differential Input Threshold	-0.2 V (Min) to +0.2 V (Max), -7V ≤ VCM ≤ +12V
Receiver Input Hysteresis	10 mV (Typ), VCM=0V
Receiver Output Voltage High	2.4 V (Min) to 5 V (Max), IO=-4mA, VID=+200mV
Receiver Output Voltage Low	0.0 V (Min) to 0.4 V (Max), IO=+4mA, VID=-200mV
Receiver Input Resistance	12 kΩ (Min) to 15 kΩ (Typ), -7V ≤ VCM ≤ +12V
Receiver Propagation Delay (Low to High)	20 ns (Min) to 200 ns (Max), tPLH; RDIFF=54Ω, CL1=CL2=100pF
Receiver Propagation Delay (High to Low)	20 ns (Min) to 200 ns (Max), tPHL; RDIFF=54Ω, CL1=CL2=100pF
Storage Temperature	-65°C to +150°C

All parameters (6)ExpandCollapse

Power
Supply Current	900 μA (Typ)
Supply Voltage Vcc	+4.75 V (Min) to +5.25 V (Max)
Environment and package
Operating Temperature	-40 °C (Min) to +85 °C (Max)
Package	NSOIC
Other
Differential Input Threshold	-0.2 V (Min) to +0.2 V (Max)
Maximum Data Rate	5 Mbps (Min)

Pinout and package

Pin	Name	Function	Source
valueEn		Positive Supply 4.75V ≤ Vcc ≤ 5.25V

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DatasheetDatasheet · 474.6 KB · 2026-11-09

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