LTC1349C datasheet(2/8 Pages) LINER

Part #	LTC1349C

Description	5V Low Power RS232 3-Driver/5-Receiver Transceiver with 2 Receivers Active in SHUTDOWN

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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2

LTC1349

LTC1349CG

LTC1349CN

LTC1349CS

LTC1349IG

LTC1349IN

LTC1349IS

A

G

A

U

A

R

BSOLUTEXI

TI

S

PACKAGE/ORDER I FOR ATIO

ORDER PART

NUMBER

Supply Voltage (VCC) ................................................ 6V

Input Voltage

Driver ....................................... – 0.3V to VCC + 0.3V

Receiver ............................................... – 25V to 25V

On/Off Pin .................................. – 0.3V to VCC + 0.3V

Output Voltage

Driver .................................................... – 25V to 25V

Receiver .................................... – 0.3V to VCC + 0.3V

Short Circuit Duration

V+ ................................................................... 30 sec

V– ................................................................... 30 sec

Driver Output .............................................. Indefinite

Receiver Output .......................................... Indefinite

Operating Temperature Range

Commercial (LTC1349C) ........................ 0

°C to 70°C

Industrial (LTC1349I) ........................ – 40

°C to 85°C

Storage Temperature Range ................ – 65

°C to 150°C

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

°C

ELECTRICAL C

C

HARA TERISTICS

C

D

VCC = 5V, C1 = C2 = C3 = C4 = 0.1µF, unless otherwise noted.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

V+

VCC

C1+

C1–

DR1 OUT

RX1 IN

DR2 OUT

RX2 IN

RX3 IN

RX4 IN

DR3 OUT

RX5 IN

ON/OFF

NC

28

27

26

25

24

23

22

21

20

19

18

17

16

15

V –

C2+

C2–

DR1 IN

RX1 OUT

DR2 IN

RX2 OUT

RX3 OUT

RX4 OUT

DR3 IN

RX5 OUT

GND

NC

N PACKAGE

28-LEAD PLASTIC DIP

TOP VIEW

S PACKAGE

28-LEAD PLASTIC SOL

G PACKAGE

28-LEAD SSOP

TJMAX = 125°C, θJA = 96°C/W (G)

TJMAX = 125°C, θJA = 56°C/W (N)

TJMAX = 125°C, θJA = 85°C/W (S)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Any Driver

Output Voltage Swing

3k to GND

Positive

q

5.0

7.0

V

Negative

q

– 5.0

– 6.5

V

Logic Input Voltage Level

Input Low Level (VOUT = High)

q

1.4

0.8

V

Input High Level (VOUT = Low)

q

2.0

1.4

V

Logic Input Current

VIN = 5V

q

5

µA

VIN = 0V

q

–5

µA

Output Short-Circuit Current

VOUT = 0V

±12

mA

Output Leakage Current

SHUTDOWN, VOUT = ±20V (Note 3)

q

±10

±500

µA

Any Receiver

Input Voltage Thresholds

Input Low Threshold

q

0.8

1.3

V

Input High Threshold

q

1.7

2.4

V

Hysteresis

q

0.1

0.4

1.0

V

Input Resistance

– 10V

≤ VIN ≤ 10V

3

5

7

k

Ω

Output Voltage

Output Low, IOUT = – 1.6mA (VCC = 5V)

q

0.2

0.4

V

Output High, IOUT = 160µA (VCC = 5V)

q

3.5

4.8

V

Output Short-Circuit Current

Sinking Current, VOUT = VCC

– 15

– 40

mA

Output Leakage Current

SHUTDOWN, 0

≤ VOUT ≤ VCC (Note 3)

q

110

µA

Power Supply Generator

V+ Output Voltage

IOUT = 0mA

8.0

V

IOUT = 12mA

7.5

V

V– Output Voltage

IOUT = 0mA

– 8.0

V

IOUT = – 12mA

– 7.0

V

Supply Rise Time

SHUTDOWN to Turn-On

0.2

ms

Consult factory for Military Grade parts.

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