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SP3070EEN-L/TR

Description
Type: Transceiver Number of Drivers/Receivers: 1/1 Protocol Category: RS422, RS485 Data Rate: 250kbps RS485 Transceiver
CategoryAnalog mixed-signal IC    Drivers and interfaces   
File Size411KB,20 Pages
ManufacturerExar
Environmental Compliance
Related ProductsFound18parts with similar functions to SP3070EEN-L/TR
Download Datasheet Parametric View All

SP3070EEN-L/TR Overview

Type: Transceiver Number of Drivers/Receivers: 1/1 Protocol Category: RS422, RS485 Data Rate: 250kbps RS485 Transceiver

SP3070EEN-L/TR Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerExar
Parts packaging codeSOIC
package instructionSOP, SOP14,.25
Contacts14
Reach Compliance Codecompliant
ECCN codeEAR99
Is SamacsysN
Differential outputYES
Number of drives1
Input propertiesDIFFERENTIAL SCHMITT TRIGGER
Interface integrated circuit typeLINE TRANSCEIVER
Interface standardsEIA-422; EIA-485; TIA-485
JESD-30 codeR-PDSO-G14
JESD-609 codee3
length8.65 mm
Humidity sensitivity level1
Number of functions1
Number of terminals14
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Minimum output swing1.5 V
Maximum output low current0.001 A
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP14,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
power supply3.3 V
Certification statusNot Qualified
Maximum receive delay200 ns
Number of receiver bits1
Maximum seat height1.75 mm
Maximum slew rate1.5 mA
Maximum supply voltage3.6 V
Minimum supply voltage3 V
Nominal supply voltage3.3 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
maximum transmission delay1500 ns
width3.9 mm
Base Number Matches1
SP3070E - SP3078E Family
±15kV ESD-Protected, 3.3V, 1/8 load, Failsafe
RS-485/RS422 Transceivers
FEaTuRES
±5kV ESD protection for RS485 pins
3.3V low-power operation
Advanced Receiver-failsafe protection for
open, shorted or terminated lines
Up to 256 Transceivers may share Bus
Very low load for 8x greater fanout
Hot Swap glitch protection RE and DE
Thermal shutdown protects against driver
contention
Available in three industry standard footprints
SP3070E, 3073 and 3076 in Full-Duplex (4 pin)
SP307E, 3074 and 3077 in Full-Duplex (8 pin)
SP3072E, 3075 and 3078 in Half-Duplex (8 pin)
RO
RE
DE
DI
1
2
3
4
8 PIN NSOIC
SP3072E
SP3075E
SP3078E
Half Duplex
8 PIN NSOIC
SP3071E
SP3074E
SP3077E
Full Duplex
8
7
6
5
Vcc
B
A
GND
Vcc
RO
DI
GND
1
2
3
4
8
7
6
5
A
B
Z
Y
NC
RO
RE
DE
DI
GND
GND
1
2
3
4
5
6
7
14 Vcc
Three applications-optimized speed grades
SP3070E-72E: 250kbps slew-limited
SP3073E-75E: 500kbps slew-limited
SP3076E-78E: 6Mbps high speed
14 PIN NSOIC
SP3070E
SP3073E
SP3076E
Full Duplex
13 NC
12
11
10
9
8
A
B
Z
Y
NC
Small form factor SO-narrow packages
Industrial (-40 to +85ºC) and Extended
(-40 to +25ºC) temperature grades
Now Available in Lead Free Packaging
aPPlICaTIONS
Industrial Control, Utility Meters Building Automation, Instrumentation, Point of Sale
DESCRIPTION
The SP3070E-3078E differential line transceivers are suitable for bidirectional communication
on balanced multipoint bus transmission lines and comply with both RS485 and RS422 EIA
Standards. Each device consists of a differential driver and differential receiver. All devices
operate from a 3.3V power supply.
High receiver input impedance allows a large number of transceivers to share a common
data bus while maintaining signal margin and without excessive loading or use of expensive
repeaters. The high impedance driver output is maintained over the entire common-mode
voltage range from -7 to +2V. Receivers will failsafe to logic  output when inputs are open,
shorted or terminated. Drivers include built-in short-circuit protection and a thermal-overload
shutdown to protect against excessive power dissipation from bus contention or cable faults.
All RS485 receiver inputs and driver outputs are ESD protected up to ±5kV (Air-Gap and
Human Body Model) and up to ±8kV Contact discharge (IEC 6000-4-2). The SP3070E-
SP3078E devices may not achieve optimal transmit performance if the connected receiver
includes a biasing network to 5.0V without a termination resistor. Please see Exar Application
Note ANI#2 for further details.
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com
SP3070E-SP3078E_02_2020


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