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参数资料
型号： ISL4489EIB-T
厂商： INTERSIL CORP
元件分类： 通用总线功能
英文描述： Low Power, High Speed and Slew Rate Limited, Full Duplex, RS-485/RS-422 Transceivers
中文描述： LINE TRANSCEIVER, PDSO14
封装： PLASTIC, MS-012AB, SOIC-14
文件页数： 4/12页
文件大小： 477K
代理商： ISL4489EIB-T
4
FN6074.2
Absolute Maximum Ratings
Thermal Information
V
CC
to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltages
DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (V
CC
+0.5V)
Input/Output Voltages
A, B, Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +12.5V
RO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (V
CC
+0.5V)
Short Circuit Duration
Y, Z. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table
Thermal Resistance (Typical, Note 1)
14 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . .
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)
θ
JA
(°C/W)
128
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: V
CC
= 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at V
CC
= 5V, T
A
= 25°C,
Note 2
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Driver Differential V
OUT
(no load)
V
OD1
Full
-
-
V
CC
V
Driver Differential V
OUT
(with load)
V
OD2
R = 50
(RS-422) (Figure 1)
Full
2
3
-
V
R = 27
(RS-485) (Figure 1)
Full
1.5
2.3
5
V
Change in Magnitude of Driver
Differential V
OUT
for
Complementary Output States
V
OD
R = 27
or 50
(Figure 1)
Full
-
0.01
0.2
V
Driver Common-Mode V
OUT
V
OC
V
OC
R = 27
or 50
(Figure 1)
Full
-
-
3
V
Change in Magnitude of Driver
Common-Mode V
OUT
for
Complementary Output States
R = 27
or 50
(Figure 1)
Full
-
0.01
0.2
V
Logic Input High Voltage
V
IH
DE, DI, RE
Full
2
-
-
V
Logic Input Low Voltage
V
IL
DE, DI, RE
Full
0.8
-
-
V
Logic Input Current
I
IN1
DI
Full
-2
-
2
μ
A
DE, RE
Full
-40
-
40
μ
A
Input Current (A, B) (Note 5)
I
IN2
DE = 0V, V
CC
= 0V or
4.5 to 5.5V
V
IN
= 12V
Full
-
-
130
μ
A
V
IN
= -7V
Full
-100
-
-
μ
A
Driver Three-State (high
impedance) Output Current (Y, Z)
I
OZD
-7V
≤
V
O
≤
12V
Full
-100
-
100
μ
A
Receiver Differential Threshold
Voltage
V
TH
-7V
≤
V
CM
≤
12V
Full
-0.2
-
0.2
V
Receiver Input Hysteresis
V
TH
V
CM
= 0V
25
-
70
-
mV
Receiver Output High Voltage
V
OH
I
O
= -4mA, V
ID
= 200mV
Full
3.5
-
-
V
Receiver Output Low Voltage
V
OL
I
O
= -4mA, V
ID
= 200mV
0.4V
≤
V
O
≤
2.4V
Full
-
-
0.4
V
Three-State (high impedance)
Receiver Output Current
I
OZR
Full
-
-
±
1
μ
A
Receiver Input Resistance
R
IN
-7V
≤
V
CM
≤
12V
Full
92
120
-
k
No-Load Supply Current (Note 3)
I
CC
ISL4489E, DE, DI, RE = 0V or V
CC
Full
-
140
190
μ
A
ISL4491E, DE, DI, RE = 0V or V
CC
DE = V
CC
, -7V
≤
V
Y
or V
Z
≤
12V (Note 4)
Full
-
370
460
μ
A
Driver Short-Circuit Current,
V
O
= High or Low
I
OSD1
Full
35
-
250
mA
Receiver Short-Circuit Current
I
OSR
0V
≤
V
O
≤
V
CC
Full
7
-
85
mA
ISL4489E, ISL4491E
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