LT1039A_01 Datasheet, PDF (3/12 Pages) Linear Technology – Triple RS232 Driver/Receiver with Shutdown

LT1039A/LT1039A-16
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C.
PARAMETER
CONDITIONS
MIN
TYP
MAX
Output Leakage Current
Supply Leakage Current
Shutdown (Notes 3, 4), V_OUT = ±18V, V_IN = 0V
q
Shutdown (Note 3)
q
10
200
1
100
Slew Rate
R_L = 3k, C_L = 51pF to 2500pF
Supply Current
V_OUT = Low
Prop Delay (t_PLH)
(t_PHL)
Receiver V_CC = 5V, V_ON/OFF = 2.5V (Note 2)
Input Voltage Thresholds
Input Low Level (V_OUT = High)
Input High Level (V_OUT = Low)
Hysteresis
4
15
30
1
5
0.6
1.2
0.8
1.2
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, I_OUT = – 1.6mA
Output High, I_OUT = 160µA
Sourcing Current, V_OUT = V_CC
Sinking Current, V_OUT = 0V
Shutdown (Note 2), 0V ≤ V_OUT ≤ V_CC, V_IN = 0V
(Note 5)
q
0.4
0.5
q 3.5
4.8
q – 10
– 30
q
15
25
q
1
10
q
2
5
Supply Leakage Current
Shutdown (Note 3)
q
1
100
ON/OFF Pin Current
Prop Delay (t_PLH)
(t_PHL)
0V ≤ V_ON/OFF ≤ 5V
q – 15
80
200
600
300
600
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: V_ON/OFF = 5V for LT1039AM grade devices.
Note 3: V_ON/OFF = 0.4V for – 55°C ≤ T_A ≤ 100°C and V_ON/OFF = 0.2V for
100°C ≤ T_A ≤ 125°C. Does not apply to LT1039A-16 part.
Note 4: For T_A ≥ 100°C leakage current is 350µA max.
Note 5: Bias pin open on 18-pin version.
UNITS
µA
µA
V/µs
mA
µs
µs
V
V
V
kΩ
V
V
mA
mA
µA
mA
µA
µA
ns
ns
TYPICAL PERFORMANCE CHARACTERISTICS
Driver Output Short-Circuit Current
50
45
40
SINKING
35
30
25
SOURCING
20
15
10
5
0
–55 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1039A 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)
1039A 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
TEMPERATURE (°C)
100 125
1039A G03
1039afa
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