LTC1689 LINER [Linear Technology], LTC1689 Datasheet - Page 4

• Manufacturer Part Number: LTC1689
• Description: 100Mbps RS485 Hot Swapable Quad Drivers
• Manufacturer: LINER [Linear Technology]

LTC1688/LTC1689
TYPICAL PERFORMANCE CHARACTERISTICS
4
250
200
150
100
2.5
2.0
1.5
1.0
0.5
14
12
10
50
8
6
4
2
0
0
0
0
Supply Current vs Data Rate
V
Propagation Delay
vs Temperature
OD2
V
R
C
R
0
V
R
C
T
0
DI
L
DIFF
A
DIFF
DD
DIFF
L
= 25pF
= 25pF, PER DRIVER
= 25 C
= 0V TO 3V
20
vs Temperature
= 5V
= 50
= 50
= 50 , PER DRIVER
20
20
TEMPERATURE ( C)
TEMPERATURE ( C)
DATA RATE (Mbps)
40
40
40
W
60
60
60
V
V
V
V
4 DRIVERS
SWITCHING
1 DRIVER
SWITCHING
DD
DD
DD
DD
U
80
= 3V
= 5V
= 5V
= 3V
80
80
100
1688/89 G01
1688/89 G05
1688/89 G03
100
100
120
180
160
140
120
100
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
14
12
10
80
60
40
20
8
6
4
2
0
0
0
0
Propagation Delay
vs Load Capacitance
I
Three-State Output Current
DD
V
R
T
V
V
R
0.1Mbps
0
0
A
DI
DIFF
DD
DD
DIFF
vs Temperature
= 25 C
10
= 0V TO 3V
= 5V
= 5V
= 50
= 50 , PER DRIVER
LOAD CAPACITANCE (pF)
20
20
TEMPERATURE ( C)
TEMPERATURE ( C)
4 DRIVERS LOADED
1 DRIVER LOADED
20
40
40
30
V
OUT
60
60
V
V
= –7V
DD
DD
40
V
OUT
= 3V
= 5V
80
80
= 12V
50
1688/89 G02
1688/89 G04
1688/89 G06
100
100
60