LTC2852 Linear Technology, LTC2852 Datasheet - Page 8

• Manufacturer Part Number: LTC2852
• Description: 3.3V 20Mbps RS485/RS422 Transceivers
• Manufacturer: Linear Technology

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LTC2850/LTC2851/LTC2852
TYPICAL PERFORMANCE CHARACTERISTICS
8
150
140
130
120
110
100
3.5
3.0
2.5
2.0
1.5
1.0
0.5
90
80
–1
2
1
0
0
–40
–40
0
Receiver Skew vs Temperature
Driver Output Short-Circuit
Current vs Temperature
Receiver Output Voltage vs
Output Current (Source and Sink)
V
C
AB
L
= 15pF
–20
–20
= 1.5V
1
V
V
SOURCE
OUT
OUT
0
OUTPUT CURRENT (mA)
0
SINK
TEMPERATURE (°C)
TEMPERATURE (°C)
= 0V
= 3.3V
2
20
20
40
40
3
60
60
SINK
4
80
80
SOURCE
5
100
100
285012 G04
285012 G01
285012 G07
120
120
6
–0.5
–1.0
–1.5
3.5
3.0
2.5
2.0
1.5
1.0
0.5
1.5
1.0
0.5
70
65
60
55
50
45
40
35
0
0
–40
–40
0
Driver Skew vs Temperature
Driver Output Low/High Voltage
vs Output Current
Receiver Propagation Delay vs
Temperature
R
C
DIFF
L
= 100pF
–20
–20
10
= 54Ω
OUTPUT CURRENT (mA)
0
0
20
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
30
V
V
40
40
OH
OL
40
60
60
50
80
80
60
100
100
285012 G05
285012 G02
285012 G08
T
A
= 25°C. V
120
120
70
CC
3.5
3.0
2.5
2.0
1.5
1.0
0.5
18
16
14
12
10
60
50
40
30
20
10
8
6
4
0
0
–40
–40
0.1
= 3.3V unless otherwise noted.
Driver Propagation Delay vs
Temperature
Driver Differential Output Voltage
vs Temperature
Supply Current vs Data Rate
R
C
C
L
L
DIFF
R
R
R
= 100pF
DIFF
DIFF
= 100pF
–20
–20
DIFF
= 54Ω
= ∞
= 100Ω
= 54Ω
0
0
R
TEMPERATURE (°C)
TEMPERATURE (°C)
DIFF
DATA RATE (Mbps)
1
R
20
20
DIFF
= 100Ω
R
= 54Ω
40
40
DIFF
= ∞
60
60
10
80
80
100
100
285012 G03
285012 G06
285012 G09
285012fc
120
120
100