LTC1688IS#PBF datasheet, PDF - EEWORLD Datasheet

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LTC1688IS#PBF: DescriptionQuad Transmitter RS-422/RS-485 16-Pin SOIC N Tube; File Size212KB，12 Pages; ManufacturerADI; Websitehttps://www.analog.com

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LTC1688IS#PBF Overview

Quad Transmitter RS-422/RS-485 16-Pin SOIC N Tube

LTC1688IS#PBF Parametric

Parameter Name	Attribute value
EU restricts the use of certain hazardous substances	Compliant
ECCN (US)	EAR99
Part Status	Active
HTS	8542.39.00.01
Function	Line Transmitter
Data Rate	100Mbps
Transmitter Communication Type	RS-422\|RS-485
Interface Standards	RS-485
Data Transmission Topology	Multidrop\|Multipoint
Number of Transmitters	4
Transmitter Signal Type	Differential
Number of Drivers per Line	1@RS-232\|32@RS-485
Driving Mode	3-State
Number of Transmitter Enables	1
Minimum Operating Temperature (°C)	-40
Maximum Operating Temperature (°C)	85
Power Supply Type	Single
Minimum Single Supply Voltage (V)	3
Typical Single Supply Voltage (V)	3.3
Maximum Single Supply Voltage (V)	5
Maximum Supply Current (mA)	18
Supplier Temperature Grade	Industrial
Packaging	Tube
Pin Count	16
Supplier Package	SOIC N
Standard Package Name	SOP
Mounting	Surface Mount
Package Height	1.5(Max)
Package Length	10.01(Max)
Package Width	3.99(Max)
PCB changed	16
Lead Shape	Gull-wing

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LTC1688/LTC1689

100Mbps RS485

Hot Swapable Quad Drivers

FEATURES

DESCRIPTIO

Ultrahigh Speed:

100Mbps

Guaranteed Propagation Delay: 8ns

4ns

Over Temperature

Low Channel-to-Channel Skew: 500ps Typ

Hot Swap

Capable

50Mbps Operation with V

= 3V

Low t

PLH

PHL

Skew: 500ps Typ

Driver Outputs Maintain High Impedance in

Three-State or with Power Off

Short-Circuit Protected: 3mA Typ Output Current

for an Indefinite Short

Thermal Shutdown Protected

Single 5V or 3V Supply

Pin Compatible with LTC486/LTC487

The LTC

1688/LTC1689 are ultrahigh speed, differential

bus/line drivers that can operate at data rates up to

100Mbps. Propagation delay is guaranteed at 8ns

±4ns

over the full operating temperature range. These devices

operate over the full RS485 common mode range (– 7V

to 12V), and also meet RS422 requirements.

The driver outputs are Hot Swap capable, maintaining

backplane data integrity during board insertion and

removal. The drivers feature three-state outputs, maintain-

ing high impedance over the entire common mode range

(– 7V to 12V). Outputs also remain high impedance during

power-up and with the power off. A short-circuit feature

detects bus contention and substantially reduces driver

output current. Thermal shutdown circuitry protects the

parts from excessive power dissipation.

The LTC1688 allows all four drivers to be enabled together,

while the LTC1689 allows two drivers at a time to be

enabled.

The LTC1688/LTC1689 operate from a single 5V or 3V

supply and draw only 9mA of supply current.

, LTC and LT are registered trademarks of Linear Technology Corporation.

Hot Swap is a trademark of Linear Technology Corporation.

APPLICATIO S

High Speed RS485 Twisted-Pair Drivers

High Speed Backplane Drivers

Complementary Clock Drivers

STS-1/OC-1 Data Drivers

SCSI Drivers

TYPICAL APPLICATIO

50Mbps RS485 Data Connection

2V/DIV

DRIVER

100Ω

2V/DIV

RECEIVER

2V/DIV

100 FT CATEGORY 5 UTP

1/4 LTC1688

1/4 LTC1518

1688/89 TA01

5V/DIV

20ns Pulse Across 100 Feet

of Category 5 UTP

DRIVER INPUT

DRIVER OUTPUTS

CABLE DELAY

RECEIVER INPUT

RECEIVER OUTPUT

20ns/DIV

1688/89 TA02

16889fa

LTC1688IS#PBF Related Products

	LTC1688IS#PBF	LTC1688CS#PBF	LTC1688CS#TR	LTC1688CS#TRPBF	LTC1688IS#TRPBF	LTC1688IS
Description	Quad Transmitter RS-422/RS-485 16-Pin SOIC N Tube	Quad Transmitter RS-422/RS-485 16-Pin SOIC N Tube	Quad Transmitter RS-422/RS-485 16-Pin SOIC N T/R	Quad Transmitter RS-422/RS-485 16-Pin SOIC N T/R	Quad Transmitter RS-422/RS-485 16-Pin SOIC N T/R	Quad Transmitter RS-422/RS-485 16-Pin SOIC N
EU restricts the use of certain hazardous substances	Compliant	Compliant	Not Compliant	Compliant	Compliant	Not Compliant
ECCN (US)	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Part Status	Active	Active	LTB	Active	Active	LTB
HTS	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01	8542.39.00.01
Function	Line Transmitter	Line Transmitter	Line Transmitter	Line Transmitter	Line Transmitter	Line Transmitter
Data Rate	100Mbps	100Mbps	100Mbps	100Mbps	100Mbps	100Mbps
Transmitter Communication Type	RS-422\|RS-485	RS-485\|RS-422	RS-422\|RS-485	RS-422\|RS-485	RS-485\|RS-422	RS-485\|RS-422
Interface Standards	RS-485	RS-485	RS-485	RS-485	RS-485	RS-485
Data Transmission Topology	Multidrop\|Multipoint	Multipoint\|Multidrop	Multidrop\|Multipoint	Multidrop\|Multipoint	Multipoint\|Multidrop	Multidrop\|Multipoint
Number of Transmitters	4	4	4	4	4	4
Transmitter Signal Type	Differential	Differential	Differential	Differential	Differential	Differential
Number of Drivers per Line	1@RS-232\|32@RS-485	32@RS-485\|1@RS-232	1@RS-232\|32@RS-485	1@RS-232\|32@RS-485	32@RS-485\|1@RS-232	1@RS-232\|32@RS-485
Driving Mode	3-State	3-State	3-State	3-State	3-State	3-State
Number of Transmitter Enables	1	1	1	1	1	1
Maximum Operating Temperature (°C)	85	70	70	70	85	85
Power Supply Type	Single	Single	Single	Single	Single	Single
Minimum Single Supply Voltage (V)	3	3	3	3	3	3
Typical Single Supply Voltage (V)	3.3	3.3	3.3	3.3	3.3	3.3
Maximum Single Supply Voltage (V)	5	5	5	5	5	5
Maximum Supply Current (mA)	18	18	18	18	18	18
Supplier Temperature Grade	Industrial	Commercial	Commercial	Commercial	Industrial	Industrial
Pin Count	16	16	16	16	16	16
Supplier Package	SOIC N	SOIC N	SOIC N	SOIC N	SOIC N	SOIC N
Standard Package Name	SOP	SOP	SOP	SOP	SOP	SOP
Mounting	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package Height	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)	1.5(Max)
Package Length	10.01(Max)	10.01(Max)	10.01(Max)	10.01(Max)	10.01(Max)	10.01(Max)
Package Width	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)	3.99(Max)
PCB changed	16	16	16	16	16	16
Lead Shape	Gull-wing	Gull-wing	Gull-wing	Gull-wing	Gull-wing	Gull-wing
Packaging	Tube	Tube	Tape and Reel	Tape and Reel	Tape and Reel	-

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