ISL32470E Datasheet, PDF (6/19 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
Input/Output Current (A/Y, B/Z)
I_IN2 DE = 0V, V_CC = 0V or V_IN = 12V
5.5V
V_IN = -7V
V_IN = ±15V
V_IN = ±60V
(Note 16)
Full
-
110
250
µA
Full
-200
-75
-
µA
Full
-800
±240
800
µA
Full
-6
±0.5
6
mA
Input Current (A, B)
(Full Duplex Versions Only)
I_IN3
V_CC = 0V or 5.5V
V_IN = 12V
V_IN = -7V
V_IN = ±15V
V_IN = ±60V
(Note 16)
Full
-
90
125
µA
Full
-100
-70
-
µA
Full
-500
±200
500
µA
Full
-3
±0.4
3
mA
Output Leakage Current (Y, Z)
(Full Duplex Versions Only)
I_OZD RE = 0V, DE = 0V, V_IN = 12V
V_CC = 0V or 5.5V
V_IN = -7V
V_IN = ±15V
V_IN = ±60V
(Note 16)
Full
-
20
200
µA
Full
-100
-5
-
µA
Full
-500
±40
500
µA
Full
-3
±0.1
3
mA
Receiver Differential Threshold
Voltage
V_TH
-15V ≤ V_CM ≤ 15V
Full
-200
-100
-10
mV
Receiver Input Hysteresis
Receiver Output High Voltage
Receiver Output Low Voltage
Receiver Output Low Current
Three-State (High Impedance)
Receiver Output Current
ΔV_TH
V_OH
V_OL
I_OL
I_OZR
-15V ≤ V_CM ≤ 15V
I_O = -2mA, V_ID = -10mV
I_O = -8mA, V_ID = -10mV
I_O = 6mA, V_ID = -200mV
V_O = 1V, V_ID = -200mV
0V ≤ V_O ≤ V_CC
25
-
25
-
mV
Full V_CC - 0.5 4.75
-
V
Full
2.8
4.2
-
V
Full
-
0.27
0.4
V
Full
15
22
-
mA
Full
-1
0.01
1
µA
Receiver Short-Circuit Current
SUPPLY CURRENT
I_OSR 0V ≤ V_O ≤ V_CC
Full
±12
-
±110
mA
No-Load Supply Current (Note 7)
Shutdown Supply Current
ESD PERFORMANCE
I_CC
I_SHDN
DE = V_CC, RE = 0V or V_CC,
DI = 0V or V_CC
DE = 0V, RE = V_CC, DI = 0V or V_CC
Full
-
2.3
4.5
mA
Full
-
10
50
µA
RS-485 Pins (A, Y, B, Z, A/Y, B/Z)
Human Body Model, 1/2 Duplex
From Bus Pins to
GND
Full Duplex
25
-
±16.5
-
kV
25
-
±15
-
kV
All Pins
Human Body Model, per JEDEC
25
-
±8
-
kV
Machine Model
25
-
±700
-
V
DRIVER SWITCHING CHARACTERISTICS (250kbps Versions; ISL32470E and ISL32472E)
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)
Full
-
320
450
ns
Full
-
6
30
ns
Full
400
650
1200
ns
6
FN7784.0
January 21, 2011