SP3078EEN datasheet, PDF - EEWORLD Datasheet

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SP3078EEN: DescriptionLine Driver/Receiver, 1 Driver, PDSO8; CategoryAnalog mixed-signal IC Drivers and interfaces; File Size199KB，19 Pages; ManufacturerExar

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SP3078EEN Overview

Line Driver/Receiver, 1 Driver, PDSO8

SP3078EEN Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Exar
Parts packaging code	SOIC
package instruction	SOP, SOP8,.25
Contacts	8
Reach Compliance Code	unknown
Differential output	YES
Number of drives	1
JESD-30 code	R-PDSO-G8
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Minimum output swing	1.5 V
Maximum output low current	0.001 A
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP8,.25
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
power supply	3.3 V
Certification status	Not Qualified
Maximum receive delay	75 ns
Maximum slew rate	1.5 mA
Nominal supply voltage	3.3 V
surface mount	YES
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Base Number Matches	1

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SP3070E - SP3078E Family

±15kV

ESD-Protected, 3.3V, 1/8 Load, Failsafe

RS-485/RS422 Transceivers

FEATURES

■

±15kV

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 foot-

prints

■

SP3070E,

SP3073E

and

SP3076E

in Full-Duplex (14 pin)

■

SP3071E,

SP3074E

and

SP3077E

in Full-Duplex (8 pin)

■

SP3072E,

SP3075E

and

SP3078E

in Half-Duplex (8 pin)

GND

8 PIN NSOIC

SP3072E

SP3075E

SP3078E

Half Duplex

GND

8 PIN NSOIC

SP3071E

SP3074E

SP3077E

Full Duplex

■

Three applications-optimized speed grades

■

SP3070-72E: 250kbps

fully

slew-limited

■

SP3073-75E: 500kbps slew-limited

■

SP3076-78E: 16Mbps high speed

14 Pin NSOIC

SP3070E

SP3073E

SP3076E

Full Duplex

■

Small form factor SO-narrow packages

■

Industrial (-40 to +85ºC) and Extended

(-40 to +125ºC) temperature grades

Now Available in Lead Free Packaging

APPLICATIONS

■

Industrial Control, Utility Meters Building Automation, Instrumentation, Point of Sale

DESCRIPTION

The SP3070-3078E 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 +12V. Receivers will failsafe to logic 1 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 inputs are ESD protected up to

±15kV

(Air-Gap and Human Body Model) and up

±8kV

Contact discharge (IEC 1000-4-2).

Date: 03/31/05

SP3070E - SP3078E Family,

15kV ESD-Protected, Failsafe RS-485/RS422 Transceivers

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