LTC485CS8 datasheet(2/14 Pages) LINER

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LTC485

485fi

pin conFiguraTion

absoluTe MaxiMuM raTings

Supply Voltage..........................................................12V

Control Input Voltages .....................–0.5V to VCC + 0.5V

Driver Input Voltage .........................–0.5V to VCC + 0.5V

Driver Output Voltage..............................................±14V

Receiver Input Voltage ............................................±14V

Receiver Output Voltages................ –0.5V to VCC + 0.5V

Operating Temperature Range

LTC485I......................................... –40°C ≤ TA ≤ 85°C

LTC485C ........................................... 0°C ≤ TA ≤ 70°C

LTC485M..................................... –55°C ≤ TA ≤ 125°C

Lead Temperature (Soldering, 10 sec) .................. 300°C

(Note 1)

N8 PACKAGE

8-LEAD PLASTIC DIP

TOP VIEW

VCC

GND

S8 PACKAGE

8-LEAD PLASTIC SOIC

J8 PACKAGE

8-LEAD CERAMIC DIP

TJMAX = 125°C, θJA = 100°C/W (N)

TJMAX = 150°C, θJA = 150°C/W (S)

TJMAX = 155°C, θJA = 100°C/W (J)

orDer inForMaTion

LEAD FREE FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC485CN8#PBF

LTC485CN8#TRPBF

LTC485CN8

8-Lead Plastic DIP

0°C to 70°C

LTC485CS8#PBF

LTC485CS8#TRPBF

485

8-Lead Plastic SOIC

0°C to 70°C

LTC485IN8#PBF

LTC485IN8#TRPBF

LTC485IN8

8-Lead Plastic DIP

–40°C to 85°C

LTC485IS8#PBF

LTC485IS8#TRPBF

485I

8-Lead Plastic SOIC

–40°C to 85°C

LEAD BASED FINISH

TAPE AND REEL

PART MARKING*

PACKAGE DESCRIPTION

TEMPERATURE RANGE

LTC485CN8

LTC485CN8#TR

LTC485CN8

8-Lead Plastic DIP

0°C to 70°C

LTC485CS8

LTC485CS8#TR

485

8-Lead Plastic SOIC

0°C to 70°C

LTC485IN8

LTC485IN8#TR

LTC485IN8

8-Lead Plastic DIP

–40°C to 85°C

LTC485IS8

LTC485IS8#TR

485I

8-Lead Plastic SOIC

–40°C to 85°C

LTC485MJ8

LTC485MJ8#TR

LTC485MJ8

8-Lead Ceramic DIP

–55°C to 125°C

Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.

For more information on lead free part marking, go to: http://www.linear.com/leadfree/

For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

VOD1

Differential Driver Output Voltage (Unloaded)

IO = 0

VOD2

Differential Driver Output Voltage (with Load)

R = 50Ω (RS422)

R = 27Ω (RS485), Figure 1

1.5

ΔVOD

Change in Magnitude of Driver Differential

Output Voltage for Complementary States

R = 27Ω or R = 50Ω, Figure 1

0.2

VOC

Driver Common Mode Output Voltage

R = 27Ω or R = 50Ω, Figure 1

Δ|VOC|

Change in Magnitude of Driver Common Mode

Output Voltage for Complementary States

R = 27Ω or R = 50Ω, Figure 1

0.2

elecTrical characTerisTics The

denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 5V ±5%, unless otherwise noted. (Notes 2 and 3)

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