Datasheet

LTC2870/LTC2871
8
28701fb
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Typical perForMance characTerisTics
RS232 Receiver Input Threshold
vs Temperature
RS232 Receiver Output Voltage
vs Load Current
RS485 Termination Resistance
vs Temperature
RS485 Receiver Propagation
Delay vs Temperature
RS485 Receiver Skew
vs Temperature
RS485 Receiver Output Voltage
vs Load Current
TEMPERATURE (°C)
–50
DELAY (ns)
80
70
60
50
40
50 75–25
28701 G10
100250
V
CC
= 3.3V, V
L
= 1.7V
V
CC
= 5V, V
L
= 1.7V
V
CC
= 3.3V, V
L
= 3.3V
V
CC
= 5V, V
L
= 5V
TEMPERATURE (°C)
–50
SKEW (ns)
3.0
2.5
2.0
1.0
1.5
0.5
0
50 75–25
28701 G11
100250
OUTPUT CURRENT (mA)
0
OUTPUT VOLTAGE (V)
6
5
4
2
3
1
0
82
28701 G12
1064
V
L
= 5V
V
L
= 3.3V
V
L
= 1.7V
TEMPERATURE (°C)
–50
THRESHOLD VOLTAGE (V)
2.0
1.8
1.6
1.4
1.2
1.0
50 75–25
28701 G13
100250
V
CC
= 5V
V
CC
= 3.3V
INPUT HIGH
INPUT LOW
OUTPUT CURRENT (mA)
0
OUTPUT VOLTAGE (V)
6
5
4
2
3
1
0
82
28701 G14
1064
V
L
= 5V
V
L
= 3.3V
V
L
= 1.7V
TEMPERATURE (°C)
–50
RESISTANCE (Ω)
130
118
116
114
112
110
128
126
124
122
120
50 75–25
28701 G15
100250
V
CM
= –7V
V
CM
= 2V
V
CM
= 12V
T
A
= 25°C, V
CC
= V
L
= 3.3V, unless otherwise noted.
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