ISL3332 Datasheet, PDF (21/26 Pages) Intersil Corporation – 3.3V, ±15kV ESD Protected, Two Port, Dua Protocol RS-232/RS-485 Transceivers

ISL3332, ISL3333
Typical Performance Curves V_CC = V_L = 3.3V, T_A = +25°C; Unless Otherwise Specified (Continued)
60
NO LOAD
V_IN = V_L or GND
V_L ≤ V_CC
50 _{LB = ON = VL, RXEN = GND}
V_L > V_CC
40
30
20
RS-485,
DE
=
SP
=
GND, ^{DEN = V L}
RS-232, ^{DEN =}
GND,
SP
=
VL
10
RS-485, ^{DE = GND, SP = DEN = VL}
RS-232, DEN = SP = V_L
0
1
1.5
2.0
2.5
3.0
3.5
4.0
V_L (V)
FIGURE 20. V_L SUPPLY CURRENT vs V_L VOLTAGE (QFN
ONLY)
100
NO LOAD
90
80
70
60
50
40
30
V_IN = V_L or GND
LB = V_L
ON = DZ/DE = DY
=
GNDRSR-S4R8-2R5S3S-I24_{L-82,I53LS,2IPLSI,=LPS, GPS=PN=VD=DL,,EDDDNEEEN=NNG===NGVGDNLNDD}
20
RS-232 ^IL^{, SP = DEN = VL}
10
RS-232/RS-485 I_CC
0
1
1.5
2.0
2.5
3.0
3.5
4.0
V_L (V)
FIGURE 21. V_CC and V_L SHDN SUPPLY CURRENTS vs V_L
VOLTAGE (QFN ONLY)
1640
R_DIFF = 54Ω, C_L = 100pF
1630
1620
1610
1600
1590
1580
t_DHL
t_DLH
1570
1560
t_DHL
1550
-40 -25
0
25
50
75 85
TEMPERATURE (°C)
FIGURE 22. RS-485, DRIVER PROPAGATION DELAY vs
TEMPERATURE (SLOW DATA RATE, QFN ONLY)
550
R_DIFF = 54Ω, C_L = 100pF
545
540
535
530
525
t_DHL
520
t_DHL
t_DLH
515
-40 -25
0
25
50
75 85
TEMPERATURE (°C)
FIGURE 24. RS-485, DRIVER PROPAGATION DELAY vs
TEMPERATURE (MEDIUM DATA RATE, QFN
ONLY)
300
R_DIFF = 54Ω, C_L = 100pF
250
200
|t_PLHZ - t_PHLY|
|t_PHLZ - t_PLHY|
150
100
50
0
-40 -25
|t_DLH - t_DHL|
0
25
50
75 85
TEMPERATURE (°C)
FIGURE 23. RS-485, DRIVER SKEW vs TEMPERATURE
(SLOW DATA RATE, QFN ONLY)
16 _{RDIFF = 54Ω, CL = 100pF}
14
12
|t_PLHZ - t_PHLY|
10
8
|t_PHLZ - t_PLHY|
6
4
|t_DLH - t_DHL|
2
0-40 _-25
0
25
50
75 85
TEMPERATURE (°C)
FIGURE 25. RS-485, DRIVER SKEW vs TEMPERATURE
(MEDIUM DATA RATE, QFN ONLY)
21
FN6362.0
May 27, 2008