LT1331 datasheet(2/8 Pages) LINER

Part #	LT1331

Description	3V RS562 or 5V/3V RS232 Transceiver with One Receiver Active in Shutdown

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Manufacturer	LINER [Linear Technology]

Direct Link	http://www.linear.com

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LT1331

A

G

A

U

A

R

BSOLUTEXI

TI

S

PACKAGE/ORDER I FOR ATIO

ORDER PART

NUMBER

LT1331CG

LT1331CNW

LT1331CSW

1

2

3

4

5

6

7

8

9

10

11

12

13

14

V+

5V/3V VCC

C1+

C1–

DRIVER 1 OUT

RX1 IN

DRIVER 2 OUT

RX2 IN

RX3 IN

RX4 IN

DRIVER 3 OUT

ON/OFF

3.3V VL

28

27

26

25

24

23

22

21

20

19

18

17

16

15

V –

C2–

C2+

DRIVER 1 IN

RX1 OUT

DRIVER 2 IN

RX2 OUT

RX3 OUT

RX4 OUT

DRIVER 3 IN

GND

NC

NW PACKAGE

28-LEAD PDIP

TOP VIEW

SW PACKAGE

28-LEAD PLASTIC SO

G PACKAGE

28-LEAD SSOP

RX5 IN

(LOW-Q)

RX5 OUT

(LOW-Q)

DRIVER

DISABLE

Consult factory for Industrial and Military grade parts.

TJMAX = 125°C, θJA = 96°C/ W (G)

TJMAX = 125°C, θJA = 56°C/ W (NW)

TJMAX = 125°C, θJA = 85°C/ W (SW)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Power Supply Generator

V+ Output

VCC = 5V

8.6

V

VCC = 3.3V

5.5

V

V– Output

VCC = 5V

– 7.0

V

VCC = 3.3V

– 4.8

V

Supply Current (VCC)VCC = 5V (Note 3)

q

12

17

mA

VCC = 3.3V

q

12

17

mA

Supply Current (VL)

(Note 4)

q

35

mA

Supply Current When OFF (VCC)

Shutdown (Note 5)

q

250

µA

Driver Disable

0.1

1

mA

Supply Current When OFF (VL)

Shutdown (Note 5)

q

60

100

µA

Driver Disable

3

5

mA

Supply Rise Time, Shutdown to Turn-On

C1 = C2 = 0.2

µF, C+ = C– = 0.1µF

0.2

ms

ON/OFF Pin Thresholds

Input Low Level (Device Shut Down)

q

1.4

0.8

V

Input High Level (Device Enabled)

q

2.4

1.4

V

ON/OFF Pin Current

0V

≤ VON/OFF ≤ 5V

q

–15

80

µA

DRIVER DISABLE Pin Thresholds

Input Low Level (Drivers Enabled)

q

1.4

0.8

V

Input High Level (Drivers Disabled)

q

2.4

1.4

V

DRIVER DISABLE Pin Current

0V

≤ VDRIVER DISABLE ≤ 5V

q

–10

500

µA

Oscillator Frequency

130

kHz

ELECTRICAL C

C

HARA TERISTICS (Note 2)

(Note 1)

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

Supply Voltage (VL) .................................................. 6V

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

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

Input Voltage

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

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

ON/OFF ...................................... – 0.3V to VCC + 0.3V

DRIVER DISABLE ...................... – 0.3V to VCC + 0.3V

Output Voltage

Driver ................................................... – 30V to 30V

Receiver ...................................... – 0.3V to VL + 0.3V

Short Circuit Duration

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

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

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

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

Operating Temperature Range .................... 0

°C to 70°C

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

°C to 150°C

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

°C

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