LTC1335_15 Datasheet, PDF (6/20 Pages) Linear Technology – RS232/EIA562/RS485 Transceivers

LTC1321/LTC1322/LTC1335
TYPICAL PERFORMANCE CHARACTERISTICS
Receiver Output High Voltage
vs Temperature
5.0
4.9 ^{IOUT = 3mA}
4.8
4.7
4.6
4.5
4.4
4.3
4.2
4.1
4.0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1321 G10
Receiver Output Current
vs Output High Voltage
120
18 ^{TA = 25°C}
16
14
12
10
8
6
4
2
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0
OUTPUT VOLTAGE (V)
1321 G13
Driver Output Leakage Current
(Disable/Shutdown) vs Temperature
±400
±350
±300
±250
±200
±150
±100
±50
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1321 G06
Receiver Output Low Voltage
vs Temperature
0.5
I_OUT = 3mA
0.4
0.3
0.2
0.1
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1321 G11
Receiver Output Current
vs Output Low Voltage
40
T_A = 25°C
35
30
25
20
15
10
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0
OUTPUT VOLTAGE (V)
1321 G14
Supply Current in RS485 Mode
vs Temperature (Both Ports)
1.2
I_CC
1.0
R_L = ∞
–I_EE
0.8
0.6
0.4
0.2
0
–50 –25
–I_DD
0 25 50 75
TEMPERATURE (°C)
100 125
1321 G17
RS485 Receiver t_PLH – t_PHL
vs Temperature
20
18
16
14
12
10
8
6
4
2
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1321 G12
EIA562 Receiver Input Threshold
Voltage vs Temperature
2.0
1.8
INPUT HIGH
1.6
1.4
1.2
INPUT LOW
1.0
0.8
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1321 G15
Supply Current in EIA562 Mode
vs Temperature (Both Ports)
500
450 ^{RL = ∞}
400
–I_EE
350
300
–I_DD
250
I_CC
200
150
100
50
0
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1321 G18
6