LT1381C datasheet(2/8 Pages) LINER

Part #	LT1381C

Description	Low Power 5V RS232 Dual Driver/Receiver with 0.1uF Capacitors

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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2

LT1381

A

G

A

U

A

R

BSOLUTEXI

TI

S

PACKAGE/ORDER I FOR ATIO

(Note 1)

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

V+ ........................................................................ 13.2V

V– ...................................................................... –13.2V

Input Voltage

Driver ........................................................... V– to V +

Receiver ............................................... – 30V to 30V

Output Voltage

Driver ................................. (V+ – 30V) to (V – + 30V)

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

LT1381C ................................................. 0

°C to 70°C

LT1381I .............................................. – 40

°C to 85°C

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

°C to 150°C

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

°C

ORDER PART

NUMBER

LT1381CN

LT1381CS

LT1381IS

1

2

3

4

5

6

7

8

TOP VIEW

16

15

14

13

12

11

10

9

C1+

V+

C1–

C2+

C2–

V–

TR2 OUT

REC2 IN

VCC

GND

TR1 OUT

REC1 IN

REC1 OUT

TR1 IN

TR2 IN

REC2 OUT

N PACKAGE

16-LEAD PLASTIC DIP

S PACKAGE

16-LEAD PLASTIC SOIC

TJMAX = 125°C, θJA = 90°C/ W, θJC = 46°C/W (N)

TJMAX = 125°C, θJA = 110°C/ W, θJC = 34°C/W (S)

Consult factory for Military grade parts.

(Note 2)

ELECTRICAL C

C

HARA TERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply Generator

V + Output

7.9

V

V – Output

– 7.0

V

Supply Current (VCC)

(Note 3), TA = 25°C8

14

mA

q

16

mA

Supply Rise Time

C1 = C2 = C3 = C4 = 0.1

µF

0.2

ms

Oscillator Frequency

130

kHz

Driver

Output Voltage Swing

Load = 3k to GND

Positive

q

5.0

7.5

V

Negative

q

– 6.3

– 5.0

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

0.8V

≤ VIN ≤ 2.0V

q

520

µA

Output Short-Circuit Current

VOUT = 0V

9

17

mA

Output Leakage Current

Power Off VOUT = ±15V

q

10

100

µA

Data Rate

RL = 3k, CL = 2500pF

120

kBaud

RL = 3k, CL = 1000pF

250

kBaud

Slew Rate

RL = 3k, CL = 51pF

15

30

V/

µs

RL = 3k, CL = 2500pF

4

6

V/

µs

Propagation Delay

Output Transition tHL High to Low (Note 4)

0.6

1.3

µs

Output Transition tLH Low to High

0.5

1.3

µs

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