Техническая Спецификация для Linear Technology LTM2881-5 RS485 µModule Isolator Demo Board (5.0V Supply) DC1503A-B DC1503A-B
Модели
DC1503A-B
LTM2881
6
2881ff
Receiver Skew vs Temperature
Driver Skew vs Temperature
Driver Propagation Delay
vs Temperature
Typical perForMance characTerisTics
Receiver Output Voltage vs
Output Current (Source and Sink)
Receiver Propagation Delay
vs Temperature
Supply Current vs Data Rate
R
TERM
vs Temperature
Driver Output Low/High Voltage
vs Output Current
Driver Differential Output Voltage
vs Temperature
OUTPUT CURRENT (mA)
OUTPUT VOL
TAGE (V)
5.0
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
2881 G05
70
60
50
40
30
20
10
0
OUTPUT HIGH
OUTPUT LOW
T
A
= 25°C, LTM2881-3 V
CC
= 3.3V, LTM2881-5
V
CC
= 5.0V, V
L
= 3.3V unless otherwise noted.
OUTPUT CURRENT (mA)
OUTPUT VOL
TAGE (V)
4
1
0
2
3
2881 G07
5
4
3
2
1
0
SINK
SOURCE
DATA RATE (Mbps)
SUPPL
Y CURRENT (mA)
200
180
140
160
100
120
80
60
40
20
0
2881 G09
10
1
0.1
R = 54Ω (LTM2881-3)
R = 100Ω (LTM2881-3)
R = 54Ω (LTM2881-5)
R = 100Ω (LTM2881-5)
R = ∞ (LTM2881-3)
R = ∞ (LTM2881-5)
TEMPERATURE (°C)
RECEIVER SKEW (ns)
2.0
0
0.5
1.5
1.0
–0.5
–1.0
2881 G01
125
100
75
50
25
0
–25
–50
TEMPERATURE (°C)
DRIVER SKEW (ns)
2.0
0
0.5
1.5
1.0
–0.5
–1.0
2881 G02
125
100
75
50
25
0
–25
–50
TEMPERATURE (°C)
DRIVER PROP DELA
Y (ns)
80
50
70
65
60
55
75
2881 G03
125
100
75
50
25
0
–25
–50
TEMPERATURE (°C)
RESIST
ANCE (Ω)
130
110
112
114
116
118
120
122
124
126
128
2881 G04
125
100
75
50
25
0
–25
–50
TEMPERATURE (°C)
OUTPUT VOL
TAGE (V)
6
1
0
2
4
3
5
2881 G06
125
100
75
50
25
0
–25
–50
R = ∞
R = 100Ω
R = 54Ω
TEMPERATURE (°C)
RECEIVER PROP DELA
Y (ns)
120
115
110
105
100
95
90
2881 G08
125
100
75
50
25
0
–25
–50