isl3330 Intersil Corporation, isl3330 Datasheet - Page 20

• Manufacturer Part Number: isl3330
• Description: 3.3v, ?15kv Esd Protected, Dual Protocol Rs-232/rs-485 Transceivers
• Manufacturer: Intersil Corporation

Typical Performance Curves
FIGURE 19. RS-232, V
FIGURE 21. RS-485, DRIVER PROPAGATION DELAY vs
FIGURE 23. RS-485, DRIVER PROPAGATION DELAY vs
1640
1630
1620
1610
1600
1590
1580
1570
1560
1550
50
45
40
35
30
25
20
15
10
550
545
540
535
530
525
520
515
5
0
-40
-40
1.0
R
RS-485, SLEW, SPB, RXEN = GND
DEN, RXEN, ON = GND
R
NO LOAD
V
DIFF
DIFF
IN
= V
-25
-25
(QFN ONLY)
= 54Ω, C
TEMPERATURE (SLOW DATA RATE, QFN ONLY)
TEMPERATURE (MEDIUM DATA RATE)
= 54Ω, C
1.5
L
or GND
t
DHL
L
L
= 100pF
L
= 100pF
2.0
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
SUPPLY CURRENT vs V
t
DHL
RS-485, SLEW, SPB, RXEN = V
RS-232, RXEN = GND, SPB = V
20
V
L
RS-232, SPB, RXEN = V
2.5
(V)
25
25
V
L
≤ V
3.0
CC
t
V
DHL
CC
50
50
t
= V
DLH
L
t
V
DHL
3.5
VOLTAGE
L
t
L
L
DLH
> V
= 3.3V, T
OR
L
ISL3330, ISL3331
CC
L
75
75
4.0
85
85
A
= +25°C; Unless Otherwise Specified (Continued)
FIGURE 20. V
FIGURE 22. RS-485, DRIVER SKEW vs TEMPERATURE
FIGURE 24. RS-485, DRIVER SKEW vs TEMPERATURE
300
250
200
150
100
30
25
20
15
10
16
14
12
10
50
5
0
8
6
4
2
0
0
-40
1.0
-40
DEN, RXEN, DY, DZ/SLEW, ON = GND
NO LOAD
V
RXEN = V
R
R
IN
DIFF
DIFF
|t
DLH
= V
|t
-25
-25
PHLZ
VOLTAGE (QFN ONLY)
(SLOW DATA RATE, QFN ONLY)
(MEDIUM DATA RATE)
= 54Ω, C
= 54Ω, C
L
1.5
- t
CC
OR GND
DHL
L
- t
|t
and V
PLHZ
PLHY
|
SPB = V
RS-485 I
L
L
= 100pF
= 100pF
|
2.0
L
0
- t
TEMPERATURE (°C)
0
TEMPERATURE (°C)
SHDN SUPPLY CURRENTS vs V
PHLY
L
L
|t
DLH
V
|
L
2.5
(V)
- t
25
25
DHL
|t
SPB = GND
PLHZ
|
RS-485 I
RS-232/RS-485 I
|t
PHLZ
3.0
- t
PHLY
50
50
- t
L
PLHY
SPB = V
RS-232 I
|
3.5
|
May 20, 2008
CC
75
75
FN6361.0
L
L
L
4.0
85
85