LT1039-16 datasheet(3/12 Pages) LINER

Part #	LT1039-16

Description	RS232 Driver/Receiver with Shutdown

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Manufacturer	LINER [Linear Technology]

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LT1039/LT1039-16

1039fd

ELECTRICAL CHARACTERISTICS

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Receiver VCC = 5V, VON/OFF = 2.5V (Note 2)

Input Voltage Thresholds

Input Low Level (VOUT = High)

q

0.5

1.3

V

Input High Level (VOUT = Low)

q

1.7

2.8

V

Hysteresis

q

0.1

0.4

1.0

V

Input Resistance

q

30

k

Ω

Output Voltage

Output Low, IOUT = – 1.6mA

q

0.4

0.5

V

Output High, IOUT = 160µA

q

3.5

4.8

V

Output Short-Circuit Current

Sourcing Current, VOUT = 0V (Note 5)

q

0.5

1

mA

Sinking Current, VOUT = VCC

q

–10

mA

Output Leakage Current

Shutdown (Note 2), 0V

≤ VOUT ≤ VCC, VIN = 0V

q

110

µA

Supply Current

q

47

mA

Supply Leakage Current

Shutdown (Note 3)

q

1 (25

°C)

100

µA

ON/OFF Pin Current

0V

≤ VON/OFF ≤ 5V

q

–15

80

µA

Note 1: Absolute Maximum Ratings are those values beyond which the life

of a device by be impaired.

Note 2: VON/OFF = 5V for LT1039M grade devices.

Note 3: VON/OFF = 0.4V for – 55°C ≤ TA ≤ 100°C and VON/OFF = 0.2V for

100

°C ≤ TA ≤ 125°C. Does not apply to LT1039-16 part.

Note 4: For TA ≥ 100°C, leakage current is 350µA max.

Note 5: For TA ≤ –25°C, output source current is 0.4mA.

TYPICAL PERFORMANCE CHARACTERISTICS

Driver Output Short-Circuit Current

ON/OFF Pin Thresholds

Receiver Input Thresholds

TEMPERATURE (

°C)

–55

0

5

15

20

25

50

35

0

50

75

1039 G01

10

40

45

30

–25

25

100

125

SINKING

SOURCING

TEMPERATURE (

°C)

–55

0.50

0.75

1.25

1.50

1.75

3.00

2.25

0

50

75

1039 G02

1.00

2.50

2.75

2.00

–25

25

100

125

INPUT HIGH

INPUT LOW

TEMPERATURE (

°C)

–55

0

0.5

1.5

2.0

2.5

5.0

3.5

0

50

75

1039 G03

1.0

4.0

4.5

3.0

–25

25

100

125

MINIMUM ON VOLTAGE

MINIMUM OFF VOLTAGE

The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.

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