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LT1039 Datasheet, PDF (3/12 Pages) Texas Instruments – TRIPLE EIA-232 LINE TRANSCEIVER
LT1039/LT1039-16
ELECTRICAL CHARACTERISTICS
The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
Receiver VCC = 5V, VON/OFF = 2.5V (Note 2)
Input Voltage Thresholds
Input Low Level (VOUT = High)
Input High Level (VOUT = Low)
Hysteresis
q 0.5
1.3
q
1.7
2.8
q 0.1
0.4
1.0
Input Resistance
q
30
Output Voltage
Output Short-Circuit Current
Output Leakage Current
Supply Current
Output Low, IOUT = – 1.6mA
Output High, IOUT = 160µA
q
0.4
0.5
q 3.5
4.8
Sourcing Current, VOUT = 0V (Note 5)
Sinking Current, VOUT = VCC
q 0.5
1
q –10
Shutdown (Note 2), 0V ≤ VOUT ≤ VCC, VIN = 0V
q
1
10
q
4
7
Supply Leakage Current
Shutdown (Note 3)
q
1 (25°C) 100
ON/OFF Pin Current
0V ≤ VON/OFF ≤ 5V
q – 15
80
UNITS
V
V
V
kΩ
V
V
mA
mA
µA
mA
µA
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
50
45
40
35
30
SINKING
25
20
15
SOURCING
10
5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1039 G01
Receiver Input Thresholds
3.00
2.75
2.50
2.25
INPUT HIGH
2.00
1.75
1.50
1.25
INPUT LOW
1.00
0.75
0.50
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1039 G02
ON/OFF Pin Thresholds
5.0
4.5
4.0
3.5
3.0
2.5
2.0
MINIMUM ON VOLTAGE
1.5
1.0
MINIMUM OFF VOLTAGE
0.5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1039 G03
3