LTC2855 Linear Technology, LTC2855 Datasheet - Page 7

• Manufacturer Part Number: LTC2855
• Description: 3.3V 20Mbps RS485/RS422 Transceivers
• Manufacturer: Linear Technology

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TYPICAL PERFORMANCE CHARACTERISTICS
100
135
130
125
120
115
110
105
–1
2
0
3
2
1
0
1
–40
–40
0
Receiver Output Voltage vs
Output Current (Source and Sink)
Receiver Skew
vs Temperature
R
V
C
TERM
AB
L
–20
–20
= 15pF
= 1.5V
1
vs Temperature
0
0
OUTPUT CURRENT (mA)
TEMPERATURE (˚C)
TEMPERATURE (˚C)
2
20
20
40
40
3
60
60
SOURCE
4
SINK
80
80
5
100
100
285455 G01
285455 G04
285455 G07
120
120
6
70
65
55
35
–1
60
50
45
40
0
3
2
1
0
1
–40
–40
0
Driver Skew vs Temperature
Driver Output Low/High Voltage
vs Output Current
Receiver Propagation Delay
vs Temperature
R
C
V
C
L
AB
L
DIFF
–20
–20
= 100pF
= 15pF
10
= 1.5V
= 54Ω
0
0
OUTPUT CURRENT (mA)
20
TEMPERATURE (˚C)
TEMPERATURE (˚C)
20
20
30
V
V
40
40
OH
OL
40
60
60
50
80
80
60
100
100
285455 G02
285455 G05
285455 G08
T
A
= 25°C, V
120
120
70
LTC2854/LTC2855
CC
60
50
40
30
20
10
18
16
14
12
10
9
4
3
2
1
0
0
6
–40
–40
= 3.3V, unless otherwise noted.
0.1
Driver Propagation Delay
vs Temperature
Driver Differential Output Voltage
vs Temperature
Supply Current vs Data Rate
C
R
C
L
L
DIFF
–20
–20
= 100pF
R
R
R
= 100pF
R
R
R
DIFF
DIFF
DIFF
DIFF
DIFF
DIFF
= 54Ω
= 54Ω
= 100Ω
=
=
= 100Ω
= 54Ω
0
0
∞
∞
TEMPERATURE (˚C)
TEMPERATURE (˚C)
DATA RATE (Mbps)
1
20
20
40
40
60
60
10
80
80
100
100
285455 G03
285455 G06
285455 G09
285455fa
7
100
120
120