ISL8483 Datasheet, PDF (6/16 Pages) Intersil Corporation – 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers

ISL8483, ISL8485, ISL8488, ISL8489, ISL8490, ISL8491
Electrical Specifications
Test Conditions: V_CC
Typicals are at V_CC =
= 4.5V
5V, T_A
to
=
5.5V; Unless
25^oC, Note 2
Otherwise Specified.
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(^oC) MIN TYP MAX UNITS
Receiver Input Resistance
No-Load Supply Current, Note 3
R_IN
-7V ≤ V_CM ≤ 12V
I_CC
ISL8488, ISL8489, DE, DI, RE = 0V or V_CC
ISL8490, ISL8491, DE, DI, RE = 0V or V_CC
ISL8485, DI, RE = 0V or DE = V_CC
V_CC
DE = 0V
Full 12
-
-
kΩ
Full
-
160 250 µA
Full
-
340 500 µA
Full
-
550 900 µA
Full
-
340 500 µA
ISL8483, DI, RE = 0V or DE = V_CC
V_CC
DE = 0V
Full
-
Full
-
390 650 µA
160 250 µA
Shutdown Supply Current
I_SHDN ISL8483, DE = 0V, RE = V_CC, DI = 0V or V_CC
Driver Short-Circuit Current,
V_O = High or Low
I_OSD1 DE = V_CC, -7V ≤ V_Y or V_Z ≤ 12V, Note 4
Receiver Short-Circuit Current
I_OSR 0V ≤ V_O ≤ V_CC
SWITCHING CHARACTERISTICS (ISL8485, ISL8490, ISL8491)
Full
-
Full 35
Full
7
1
50
nA
-
250 mA
-
85
mA
Driver Input to Output Delay
t_PLH, t_PHL R_DIFF = 54Ω, C_L = 100pF, Figure 2
Driver Output Skew
t_SKEW R_DIFF = 54Ω, C_L = 100pF, Figure 2
Driver Differential Rise or Fall Time t_R, t_F R_DIFF = 54Ω, C_L = 100pF, Figure 2
Driver Enable to Output High
t_ZH
C_L = 100pF, SW = GND, Figure 3
Driver Enable to Output Low
t_ZL
C_L = 100pF, SW = V_CC, Figure 3
Driver Disable from Output High
t_HZ
C_L = 15pF, SW = GND, Figure 3
Driver Disable from Output Low
t_LZ
C_L = 15pF, SW = V_CC, Figure 3
Receiver Input to Output Delay
t_PLH, t_PHL Figure 4
Receiver Skew | t_PLH - t_PHL |
t_SKD Figure 4
Receiver Enable to Output High
t_ZH
C_L = 15pF, SW = GND, Figure 5
Receiver Enable to Output Low
t_ZL
C_L = 15pF, SW = V_CC, Figure 5
Receiver Disable from Output High
t_HZ
C_L = 15pF, SW = GND, Figure 5
Receiver Disable from Output Low
t_LZ
C_L = 15pF, SW = V_CC, Figure 5
Maximum Data Rate
f_MAX
SWITCHING CHARACTERISTICS (ISL8483, ISL8488, ISL8489)
Full 18
Full
-
Full
3
Full
-
Full
-
Full
-
Full
-
Full 30
25
-
Full
-
Full
-
Full
-
Full
-
Full
5
30
50
ns
2
10
ns
11
25
ns
17
70
ns
14
70
ns
19
70
ns
13
70
ns
40
150
ns
5
-
ns
9
50
ns
9
50
ns
9
50
ns
9
50
ns
-
- Mbps
Driver Input to Output Delay
t_PLH, t_PHL R_DIFF = 54Ω, C_L = 100pF, Figure 2
Driver Output Skew
t_SKEW R_DIFF = 54Ω, C_L = 100pF, Figure 2
Driver Differential Rise or Fall Time t_R, t_F R_DIFF = 54Ω, C_L = 100pF, Figure 2
Driver Enable to Output High
t_ZH
C_L = 100pF, SW = GND, Figure 3, Note 5
Driver Enable to Output Low
t_ZL
C_L = 100pF, SW = V_CC, Figure 3, Note 5
Driver Disable from Output High
t_HZ
C_L = 15pF, SW = GND, Figure 3
Driver Disable from Output Low
t_LZ
C_L = 15pF, SW = V_CC, Figure 3
Receiver Input to Output Delay
t_PLH, t_PHL Figure 4
Receiver Skew | t_PLH - t_PHL |
t_SKD Figure 4
Receiver Enable to Output High
t_ZH
C_L = 15pF, SW = GND, Figure 5, Note 6
Receiver Enable to Output Low
t_ZL
C_L = 15pF, SW = V_CC, Figure 5, Note 6
Receiver Disable from Output High
t_HZ
C_L = 15pF, SW = GND, Figure 5
Full 250 800 2000 ns
Full
-
160 800 ns
Full 250 800 2000 ns
Full 250
-
2000 ns
Full 250
-
2000 ns
Full 300
-
3000 ns
Full 300
-
3000 ns
Full 250 350 2000 ns
25
-
25
-
ns
Full
-
10
50
ns
Full
-
10
50
ns
Full
-
10
50
ns
6