4
FN6074.3
Absolute Maximum Ratings
Thermal Information
VCC to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltages
DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (VCC +0.5V)
Input/Output Voltages
A, B, Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +12.5V
RO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (VCC +0.5V)
Short Circuit Duration
Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table
Thermal Resistance (Typical, Note 1)
θ
JA (°C/W)
14 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . .
128
Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
(Lead Tips Only)
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to 85°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Test Conditions: VCC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at VCC = 5V, TA = 25°C,
Note 2
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Driver Differential VOUT (no load)
VOD1
Full
-
VCC
V
Driver Differential VOUT (with load)
VOD2
R = 50
Ω (RS-422) (Figure 1)
Full
2
3
-
V
R = 27
Ω (RS-485) (Figure 1)
Full
1.5
2.3
5
V
Change in Magnitude of Driver
Differential VOUT for
Complementary Output States
ΔVOD
R = 27
Ω or 50Ω (Figure 1)
Full
-
0.01
0.2
V
Driver Common-Mode VOUT
VOC
R = 27
Ω or 50Ω (Figure 1)
Full
-
3
V
Change in Magnitude of Driver
Common-Mode VOUT for
Complementary Output States
ΔVOC
R = 27
Ω or 50Ω (Figure 1)
Full
-
0.01
0.2
V
Logic Input High Voltage
VIH
DE, DI, RE
Full
2
-
V
Logic Input Low Voltage
VIL
DE, DI, RE
Full
0.8
-
V
Logic Input Current
IIN1
DI
Full
-2
-
2
μA
DE, RE
Full
-40
-
40
μA
Input Current (A, B) (Note 5)
IIN2
DE = 0V, VCC = 0V or
4.5 to 5.5V
VIN = 12V
Full
-
130
μA
VIN = -7V
Full
-100
-
μA
Driver Three-State (high
impedance) Output Current (Y, Z)
IOZD
-7V
≤ VO ≤ 12V
Full
-100
-
100
μA
Receiver Differential Threshold
Voltage
VTH
-7V
≤ VCM ≤ 12V
Full
-0.2
-
0.2
V
Receiver Input Hysteresis
ΔVTH
VCM = 0V
25
-
70
-
mV
Receiver Output High Voltage
VOH
IO = -4mA, VID = 200mV
Full
3.5
-
V
Receiver Output Low Voltage
VOL
IO = -4mA, VID = 200mV
Full
-
0.4
V
Three-State (high impedance)
Receiver Output Current
IOZR
0.4V
≤ VO ≤ 2.4V
Full
-
±1
μA
Receiver Input Resistance
RIN
-7V
≤ VCM ≤ 12V
Full
92
120
-
k
Ω
No-Load Supply Current (Note 3)
ICC
ISL4489E, DE, DI, RE = 0V or VCC
Full
-
140
190
μA
ISL4491E, DE, DI, RE = 0V or VCC
Full
-
370
460
μA
Driver Short-Circuit Current,
VO = High or Low
IOSD1
DE = VCC, -7V ≤ VY or VZ ≤ 12V (Note 4)
Full
35
-
250
mA
Receiver Short-Circuit Current
IOSR
0V
≤ VO ≤ VCC
Full
7
-
85
mA
ISL4489E, ISL4491E