Datasheet

LTC485
4
485fk
For more information www.linear.com/LTC485
TYPICAL PERFORMANCE CHARACTERISTICS
Receiver Output Low Voltage
vs Temperature
Driver Differential Output Voltage
vs Output Current
Driver Differential Output Voltage
vs Temperature
Driver Output Low Voltage
vs Output Current
Driver Output High Voltage
vs Output Current
TTL Input Threshold
vs Temperature
Receiver Output Low Voltage
vs Output Current
Receiver Output High Voltage
vs Output Current
Receiver Output High Voltage
vs Temperature
OUTPUT VOLTAGE (V)
0
0
OUTPUT CURRENT (mA)
4
12
16
20
1.0
36
485 G01
8
0.5 2.0
24
28
32
1.5
T
A
= 25°C
OUTPUT VOLTAGE (V)
5
0
OUTPUT CURRENT (mA)
–2
–6
–8
–10
3
–18
485 G02
–4
4
–12
–14
–16
2
T
A
= 25°C
TEMPERATURE (°C)
–50
3.0
OUTPUT VOLTAGE (V)
3.2
3.6
3.8
4.0
75
4.8
485 G03
3.4
0 125
4.2
4.4
4.6
–25
25 50
100
I = 8mA
TEMPERATURE (°C)
–50
0
OUTPUT VOLTAGE (V)
0.1
0.3
0.4
0.5
75
0.9
485 G04
0.2
0 125
0.6
0.7
0.8
–25
25 50
100
I = 8mA
OUTPUT VOLTAGE (V)
0
0
OUTPUT CURRENT (mA)
8
24
32
40
2
72
485 G05
16
1 3
48
56
64
4
T
A
= 25°C
TEMPERATURE (°C)
–50
1.5
DIFFERENTIAL VOLTAGE (V)
1.6
1.8
1.9
2.0
75
2.4
485 G06
1.7
0 125
2.1
2.2
2.3
–25
25 50
100
RI = 54Ω
OUTPUT VOLTAGE (V)
0
0
OUTPUT CURRENT (mA)
10
30
40
50
2
90
485 G07
20
1 3
60
70
80
4
T
A
= 25°C
OUTPUT VOLTAGE (V)
0
0
OUTPUT CURRENT (mA)
–12
–36
–48
–60
2
–108
485 G08
–24
1 3
–72
–84
–96
4
T
A
= 25°C
TEMPERATURE (°C)
–50
1.55
INPUT THRESHOLD VOLTAGE (V)
1.56
1.58
1.59
1.60
75
1.64
485 G09
1.57
0 125
1.61
1.62
1.63
–25
25 50
100