ISL31490E_10 Datasheet, PDF (9/27 Pages) Intersil Corporation – ±60V Fault Protected, 5V, RS-485/RS-422 Transceivers with ±25V Common Mode Range

ISL31490E, ISL31491E, ISL31492E, ISL31493E, ISL31495E, ISL31496E,
Electrical Specifications Test Conditions: V_CC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at V_CC = 5V,
T_A = +25°C (Note 10). Boldface limits apply over the operating temperature range,
-40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP MIN
MAX
(°C) (Note 18) TYP (Note 18) UNITS
Driver Enable to Output
t_ZH SW = GND (Figure 3), (Note 13)
Full
-
High
-
350
ns
Driver Enable to Output
Low
t_ZL
SW = V_CC (Figure 3), (Note 13)
Full
-
-
300
ns
Driver Disable from
Output Low
t_LZ
SW = V_CC (Figure 3)
Full
-
-
120
ns
Driver Disable from
Output High
t_HZ SW = GND (Figure 3)
Full
-
-
120
ns
Time to Shutdown
t_SHDN (Note 15)
Full
60
160
600
ns
Driver Enable from
t_ZH(SHDN) SW = GND (Figure 3), (Notes 15, 16) Full
-
Shutdown to Output High
-
2000
ns
Driver Enable from
t_ZL(SHDN) SW = V_CC (Figure 3), (Notes 15, 16) Full
-
Shutdown to Output Low
-
2000
ns
DRIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL31496E, ISL31498E)
Driver Differential Output t_PLH, t_PHL R_D = 54Ω,
No CM Load
Full
-
21
45
ns
Delay
C_D = 50pF
(Figure 2)
-25V ≤ V_CM ≤ 25V Full
-
-
80
ns
Driver Differential Output t_SKEW R_D = 54Ω,
No CM Load
Full
-
3
6
ns
Skew
C_D = 50pF
(Figure 2)
-25V ≤ V_CM ≤ 25V Full
-
-
7
ns
Driver Differential Rise or t_R, t_F R_D = 54Ω,
No CM Load
Full
5
17
30
ns
Fall Time
C_D = 50pF
(Figure 2)
-25V ≤ V_CM ≤ 25V Full
5
-
30
ns
Maximum Data Rate
Driver Enable to Output
High
f_MAX
t_ZH
C_D = 470pF (Figure 4)
SW = GND (Figure 3), (Note 13)
Full
15
Full
-
25
-
Mbps
-
100
ns
Driver Enable to Output
Low
t_ZL
SW = V_CC (Figure 3), (Note 13)
Full
-
-
100
ns
Driver Disable from
Output Low
t_LZ
SW = V_CC (Figure 3)
Full
-
-
120
ns
Driver Disable from
Output High
t_HZ SW = GND (Figure 3)
Full
-
-
120
ns
Time to Shutdown
t_SHDN (Note 15)
Full
60
160
600
ns
Driver Enable from
t_ZH(SHDN) SW = GND (Figure 3), (Notes 15, 16) Full
-
Shutdown to Output High
-
2000
ns
Driver Enable from
t_ZL(SHDN) SW = V_CC (Figure 3), (Notes 15, 16) Full
-
Shutdown to Output Low
-
2000
ns
RECEIVER SWITCHING CHARACTERISTICS (250kbps Versions; ISL31490E through ISL31492E)
Maximum Data Rate
f_MAX -25V ≤ V_CM ≤ 25V (Figure 5)
Receiver Input to Output t_PLH, t_PHL -25V ≤ V_CM ≤ 25V (Figure 5)
Delay
Full
0.25
5
-
Mbps
Full
-
200
280
ns
Receiver Skew
| t_PLH - t_PHL |
t_SKD (Figure 5)
Full
-
4
10
ns
9
FN7637.0
June 17, 2010