ISL83491 INTERSIL [Intersil Corporation], ISL83491 Datasheet - Page 12

• Manufacturer Part Number: ISL83491
• Description: 3.3V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers
• Manufacturer: INTERSIL [Intersil Corporation]

Typical Performance Curves
FIGURE 10. DRIVER PROPAGATION DELAY vs
FIGURE 12. DRIVER PROPAGATION DELAY vs
FIGURE 14. DRIVER AND RECEIVER WAVEFORMS,
2.5
1.5
0.5
1200
1100
1000
5
0
900
800
700
16
15
14
13
12
11
10
3
2
1
0
9
8
-40
-40
DI
A/Y
R
R
DIFF
B/Z
DIFF
t
PHLY
-25
RO
-25
= 54Ω
TEMPERATURE (ISL83483, ISL83488)
TEMPERATURE (ISL83485, ISL83490, ISL83491)
LOW TO HIGH (ISL83483, ISL83488)
= 54Ω
t
PLHZ
0
TEMPERATURE (
0
TEMPERATURE (
TIME (400ns/DIV)
12
ISL83483, ISL83485, ISL83488, ISL83490, ISL83491
t
PHLZ
25
25
R
DIFF
o
t
PHLY
C)
o
= 54Ω, C
C)
t
t
PLHZ
PLHY
V
50
CC
50
t
= 3.3V, T
L
t
PLHY
PHLY
t
= 15pF
PHLZ
75
75
A
5
0
= 25
85
85
o
C, ISL83483 thru ISL83491; Unless Otherwise Specified (Continued)
FIGURE 11. DRIVER SKEW vs TEMPERATURE
FIGURE 13. DRIVER SKEW vs TEMPERATURE
FIGURE 15. DRIVER AND RECEIVER WAVEFORMS,
2.5
1.5
0.5
3.5
2.5
1.5
0.5
5
0
300
250
200
150
100
3
2
1
0
4
3
2
1
50
-40
0
-40
A/Y
R
FIGURE 2A
B/Z
DIFF
-25
|CROSS PT. OF Y↑ & Z↓ - CROSS PT. OF Y↓ & Z↑|
-25
DI
= 54Ω
(ISL83483, ISL83488)
(ISL83485, ISL84390, ISL83491)
HIGH TO LOW (ISL83483, ISL83488)
|t
PLHY
|t
0
PLHY
TEMPERATURE (
- t
0
TEMPERATURE (
PHLZ
TIME (400ns/DIV)
RO
|t
- t
PHLY
|
PHLZ
|CROSSING PT. OF Y↑ & Z↓ -
CROSSING PT. OF Y↓ & Z↑|
25
25
- t
|
R
PLHZ
DIFF
|t
PHLY
o
C)
o
= 54Ω, C
|
C)
- t
50
50
PLHZ
L
R
FIGURE 2A
|
= 15pF
DIFF
= 54Ω
75
75
5
0
85
85