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參數(shù)資料
| 型號： | ISL83491 |
| 廠商： | Intersil Corporation |
| 英文描述： | 3.3V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers(3.3V, 低功率, 高速或帶有限斜率功能的RS-485/RS-422收發(fā)器) |
| 中文描述： | 3.3，低功耗，高速或擺率限制，RS-485/RS-422收發(fā)器（3.3V，低功率，高速或帶有限斜率功能的的RS-485/RS-422收發(fā)器） |
| 文件頁數(shù)： | 5/17頁 |
| 文件大?。?/td> | 542K |
| 代理商： | ISL83491 |
5
Absolute Maximum Ratings
Thermal Information
V
CC
to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltages
DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
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
Operating Conditions
Temperature Range
ISL834XXIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
C
Thermal Resistance (Typical, Note 1)
8 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . .
8 Ld PDIP Package . . . . . . . . . . . . . . . . . . . . . . . . .
14 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . .
14 Ld PDIP Package . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature (Plastic Package) . . . . . . . 150
o
C
Maximum Storage Temperature Range. . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300
o
C
(SOIC- Lead Tips Only)
θ
JA
(
o
C/W)
170
140
130
105
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
= 3V to 3.6V; Unless Otherwise Specified. Typicals are at V
CC
= 3.3V, T
A
= 25
o
C,
Note 2
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(
o
C)
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Driver Differential V
OUT
(no load)
Driver Differential V
OUT
(with load)
V
OD1
V
OD2
Full
-
-
V
CC
-
V
R
L
= 100
(RS-422) (Figure 1A)
R
L
= 54
(RS-485) (Figure 1A)
R
L
= 60
, -7V
≤
V
CM
≤
12V (Figure 1B)
R
L
= 54
or 100
(Figure 1A)
Full
2
2.7
V
Full
1.5
2.3
V
CC
-
V
Full
1.5
2.6
V
Change in Magnitude of Driver
Differential V
OUT
for
Complementary Output States
V
OD
Full
-
0.01
0.2
V
Driver Common-Mode V
OUT
Change in Magnitude of Driver
Common-Mode V
OUT
for
Complementary Output States
V
OC
V
OC
R
L
= 54
or 100
(Figure 1A)
R
L
= 54
or 100
(Figure 1A)
Full
-
1.8
3
V
Full
-
0.01
0.2
V
Logic Input High Voltage
V
IH
V
IL
I
IN1
DE, DI, RE
Full
2
-
-
V
Logic Input Low Voltage
DE, DI, RE
Full
-
-
0.8
V
Logic Input Current
DE, DI
Full
-2
-
2
μ
A
RE
Full
-25
-
25
μ
A
Input Current (A, B)
I
IN2
DE = 0V, V
CC
= 0V or 3.6V
V
IN
= 12V
V
IN
= -7V
Full
-
0.6
1
mA
Full
-
-0.3
-0.8
mA
Output Leakage Current (Y, Z)
(ISL83491)
I
IN3
RE = 0V, DE = 0V, V
CC
= 0V or 3.6V V
IN
= 12V
Full
-
14
20
μ
A
V
IN
= -7V
Full
-20
-11
-
μ
A
Output Leakage Current (Y, Z)
in Shutdown Mode (ISL83491)
I
IN3
RE = V
CC
, DE = 0V, V
CC
= 0V or 3.6V V
IN
= 12V
Full
-
0.03
1
μ
A
V
IN
= -7V
Full
-1
-0.01
-
μ
A
Receiver Differential Threshold
Voltage
V
TH
-7V
≤
V
CM
≤
12V
Full
-0.2
-
0.2
V
Receiver Input Hysteresis
V
TH
V
OH
V
CM
= 0V
I
O
= -4mA, V
ID
= 200mV
25
-
50
-
mV
Receiver Output High Voltage
Full
V
CC
-
0.4
-
-
V
Receiver Output Low Voltage
V
OL
I
O
= -4mA, V
ID
= 200mV
Full
-
-
0.4
V
ISL83483, ISL83485, ISL83488, ISL83490, ISL83491
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