ISL32172E Datasheet, PDF (14/20 Pages) Intersil Corporation – QUAD, ±16.5kV ESD Protected, 3.0V to 5.5V, Low Power, RS-422 Transmitters

ISL32172E, ISL32272E, ISL32372E, ISL32174E, ISL32274E, ISL32374E, ISL32179E
Typical Performance Curves V_CC = V_L = 3.3V or 5V, T_A = +25°C; Unless Otherwise Specified. V_L notes apply to the ISL32179E
only. (Continued)
20
19
18
17 ^tDDLH
16
t_DDHL
15
V_L = 1.6V, V_CC = 3.3V OR 5V
14
13
12
t_DDLH
11
t_DDHL
10
-40 -25 -10 5
V_L = V_CC = 3.3V OR 5V
20 35 50 65 80 95 110 125
TEMPERATURE (°C)
FIGURE 15. DRIVER DIFFERENTIAL PROPAGATION DELAY
vs TEMPERATURE (ISL32272E, ISL32274E,
ISL32179E, 10Mbps OPTION)
3.0
V_L = 1.6V to V_CC
2.5
t_SSK
2.0
1.5
1.0
t_DSK
0.5-40 _{-25 -10}
5 20 35 50 65 80
TEMPERATURE (°C)
95 110 125
FIGURE 16. DRIVER SKEW vs TEMPERATURE (ISL32272E,
ISL32274E, ISL32179E, 10Mbps OPTION)
16
15
14
13 ^tDDLH
12
11 ^tDDHL
V_L = 1.6V, V_CC = 3.3V OR 5V
10
9
8
t_DDLH
7
V_L ≥ 3V, V_CC = 3.3V OR 5V
t_DDHL
6
-40 -25 -10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
FIGURE 17. DRIVER DIFFERENTIAL PROPAGATION DELAY
vs TEMPERATURE (ISL32172E, ISL32174E,
ISL32179E, 32Mbps OPTION)
1.2
1.0
0.8 ^tDSK
V_L = 1.6V, V_CC = 3.3V OR 5V
0.6
V_L = 1.6V to V_CC, V_CC = 3.3V OR 5V
t_SSK
0.4
t_DSK
V_L ≥ 3V, V_CC = 3.3V OR 5V
0.2
0
-40 -25 -10
5 20 35 50 65 80
TEMPERATURE (°C)
95 110 125
FIGURE 18. DRIVER SKEW vs TEMPERATURE (ISL32172E,
ISL32174E, ISL32179E, 32Mbps OPTION)
V_CC = 3.3V, V_L = 1.6V TO V_CC
DI
R_DIFF = 100Ω, C_D = 50pF
VH
0
3.0
Z
1.5
Y
0
3
VH = V_CC OR V_L
2
1
Y-Z
0
-1
-2
-3
TIME (40ns/DIV)
FIGURE 19. DRIVER WAVEFORMS, LOW TO HIGH
(ISL32372E, ISL32374E, ISL32179E)
V_CC = 3.3V, V_L = 1.6V TO V_CC
DI
R_DIFF = 100Ω, C_D = 50pF
VH
0
3.0
Y
1.5
Z
0
3
2
1
0
-1
-2
-3
VH = V_CC OR V_L
Y-Z
TIME (40ns/DIV)
FIGURE 20. DRIVER WAVEFORMS, HIGH TO LOW
(ISL32372E, ISL32374E, ISL32179E)
14
FN6824.0
December 16, 2008