ISL32470E Datasheet, PDF (7/19 Pages) Intersil Corporation – Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers

ISL32470E, ISL32472E, ISL32475E, ISL32478E
Electrical Specifications Test Conditions: V_CC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are V_CC = 5V, T_A = +25°C
(Note 6). Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
MIN
MAX
(°C) (Note 14) TYP (Note 14) UNITS
Maximum Data Rate
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable from Output Low
Driver Disable from Output High
Time to Shutdown
Driver Enable from Shutdown to
Output High
f_MAX C_D = 820pF (Figure 6)
t_ZH
SW = GND (Figure 5), (Note 9)
t_ZL
SW = V_CC (Figure 5), (Note 9)
t_LZ
SW = V_CC (Figure 5)
t_HZ
SW = GND (Figure 5)
t_SHDN (Note 11)
t_ZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)
Full
0.25
1.5
-
Mbps
Full
-
-
1200
ns
Full
-
-
1200
ns
Full
-
-
120
ns
Full
-
-
120
ns
Full
60
160
600
ns
Full
-
-
2500
ns
Driver Enable from Shutdown to
Output Low
t_ZL(SHDN) SW = V_CC (Figure 5), (Notes 11, 12)
Full
-
-
2500
ns
DRIVER SWITCHING CHARACTERISTICS (1Mbps Versions; ISL32475E)
Driver Differential Output Delay
t_PLH, t_PHL R_D = 54Ω, C_D = 50pF (Figure 4)
Driver Differential Output Skew
t_SKEW R_D = 54Ω, C_D = 50pF (Figure 4)
Driver Differential Rise or Fall Time t_R, t_F R_D = 54Ω, C_D = 50pF (Figure 4)
Maximum Data Rate
f_MAX C_D = 820pF (Figure 6)
Driver Enable to Output High
t_ZH
SW = GND (Figure 5), (Note 9)
Driver Enable to Output Low
t_ZL
SW = V_CC (Figure 5), (Note 9)
Driver Disable from Output Low
t_LZ
SW = V_CC (Figure 5)
Driver Disable from Output High
t_HZ
SW = GND (Figure 5)
Time to Shutdown
t_SHDN (Note 11)
Driver Enable from Shutdown to
Output High
t_ZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)
Full
-
70
125
ns
Full
-
4.5
15
ns
Full
70
170
300
ns
Full
1
4
-
Mbps
Full
-
-
350
ns
Full
-
-
300
ns
Full
-
-
120
ns
Full
-
-
120
ns
Full
60
160
600
ns
Full
-
-
2000
ns
Driver Enable from Shutdown to
Output Low
t_ZL(SHDN) SW = V_CC (Figure 5), (Notes 11, 12)
Full
-
-
2000
ns
DRIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL32478E)
Driver Differential Output Delay
t_PLH, t_PHL R_D = 54Ω, C_D = 50pF (Figure 4)
Driver Differential Output Skew
t_SKEW R_D = 54Ω, C_D = 50pF (Figure 4)
Driver Differential Rise or Fall Time t_R, t_F R_D = 54Ω, C_D = 50pF (Figure 4)
Maximum Data Rate
f_MAX C_D = 470pF (Figure 6)
Driver Enable to Output High
t_ZH
SW = GND (Figure 5), (Note 9)
Driver Enable to Output Low
t_ZL
SW = V_CC (Figure 5), (Note 9)
Driver Disable from Output Low
t_LZ
SW = V_CC (Figure 5)
Driver Disable from Output High
t_HZ
SW = GND (Figure 5)
Time to Shutdown
t_SHDN (Note 11)
Driver Enable from Shutdown to
Output High
t_ZH(SHDN) SW = GND (Figure 5), (Notes 11, 12)
Full
-
21
45
ns
Full
-
3
6
ns
Full
5
17
30
ns
Full
15
25
-
Mbps
Full
-
-
100
ns
Full
-
-
100
ns
Full
-
-
120
ns
Full
-
-
120
ns
Full
60
160
600
ns
Full
-
-
2000
ns
Driver Enable from Shutdown to
Output Low
t_ZL(SHDN) SW = V_CC (Figure 5), (Notes 11, 12)
Full
-
-
2000
ns
7
FN7784.0
January 21, 2011