LT1032CN(RevC) 查看數據表（PDF） - Linear Technology

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LT1032CN
(Rev.:RevC)

Quad Low Power Line Driver

Linear Technology 

FEATURES

s Low Operating Voltage: ±5V to ±15V

s 500µA Supply Current

s Zero Supply Current when Shut Down

s Outputs Can Be Driven ±30V

s Thermal Limiting

s Output “Open” when Off (Three-State)

s 10mA Output Drive

s Pinout Similar to 1488

APPLICATI S

s RS232

s Power Supply Inverter

s Micropower Interface

s Level Translator

TYPICAL APPLICATI

RS232 Line Driver

1

– 6V

2

INPUT

3

OUTPUT

ON/OFF 4

(0V TO 5V)† 5

INPUT

6

OUTPUT

7

GND

LT1032

14

6V

13

STROBE*

12

INPUT

11

OUTPUT

10 RESPONSE TIME

9 CONTROL*

INPUT

8

OUTPUT

*NO CONNECTION NEEDED WHEN NOT USED

†5V = ON

LT1032 • TA01

LT1032

Quad Low Power

Line Driver

DESCRIPTIO

The LT1032 is a RS232 and RS423 line driver that oper-

ates over a ±5V to ±15V range on low supply current and

can be shut down to zero supply current. Outputs are fully

protected from externally applied voltages of ±30V by

both current and thermal limiting. Since the output swings

to within 200mV of the positive supply and 600mV of the

negative supply, power supply needs are minimized.

Also included is a strobe pin to force all outputs low

independent of input or shutdown conditions. Further,

slew rate can be adjusted with a resistor connected to the

supply.

A major advantage of the LT1032 is the high impedance

output state when off or powered down.

For applications requiring dual or triple RS232 driver/

receiver devices, see the LT1080 (dual), LT1039 (triple) or

the LT1130 data sheets.

and LTC are registered trademarks and LT is a trademark of Linear Technology Corporation.

Output Swing vs Output Current

V+

0.2

VOUT HIGH

0.4

1.0

0.8

0.6

0.4

0.2

V–

0

VOUT LOW

2

4

6

8

10

OUTPUT CURRENT (mA)

LT1032 • TA02

1

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