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參數(shù)資料
| 型號(hào)： | ISL4244E |
| 廠商： | Intersil Corporation |
| 英文描述： | QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 10Nanoamp, 250kbps/1Mbps, RS-232 Transceivers with Enhanced Automatic Powerdown(QFN封裝, ±15kV ESD 防護(hù), +2.7V至+5.5V, 10Nanoamp, 250kbps/1Mbps, 具有自動(dòng)斷電功能的RS-232收發(fā)器) |
| 中文描述： | QFN封裝，具有± 15kV ESD保護(hù)，2.7V至5.5V，10Nanoamp，250kbps/1Mbps，RS - 232接口的增強(qiáng)型自動(dòng)掉電封裝（QFN封裝，具有± 15kV ESD防護(hù)，收發(fā)器為2.7V至5.5V之間，10Nanoamp，250kbps/1Mbps，具有自動(dòng)斷電功能的RS - 232接口收發(fā)器） |
| 文件頁(yè)數(shù)： | 6/17頁(yè) |
| 文件大小： | 457K |
| 代理商： | ISL4244E |
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6
Absolute Maximum Ratings
Thermal Information
V
CC
to
Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
V+ to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V
V- to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V to -7V
V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Input Voltages
T
IN
, FORCEOFF, FORCEON. . . . . . . . . . . . . . . . . . . -0.3V to 6V
R
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
25V
Output Voltages
T
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
±
13.2V
R
OUT
, INVALID. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to V
CC
+0.3V
Short Circuit Duration
T
OUT
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . See Specification Table
Thermal Resistance (Typical, Note 3)
32 Ld QFN Package. . . . . . . . . . . . . . . . . . . . . . . . .
Moisture Sensitivity (see Technical Brief TB363)
QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level 1
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
θ
JA
(
o
C/W)
32
Operating Conditions
Temperature Range
ISL42XXEIR. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
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:
3.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379, and Tech Brief TB389.
Electrical Specifications
Test Conditions: ISL4238E V
CC
= 3.15V to 5.5V, C
1
- C
4
= 0.1
μ
F; V
CC
= 3V, C
1
- C
4
= 0.22
μ
F;
ISL424XE V
CC
= 3V to 5.5V, C
1
- C
4
= 0.1
μ
F; Unless Otherwise Specified. Typicals are at T
A
= 25
o
C
PARAMETER
TEST CONDITIONS
TEMP
(
o
C)
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Operating Voltage Range
Full
2.7
-
5.5
V
Supply Current, Automatic
Powerdown
All R
IN
Open, FORCEON = GND, FORCEOFF = V
CC
25
-
3
300
nA
Full
50
300
nA
Supply Current, Powerdown
All R
IN
Open, FORCEOFF = GND
25
-
3
300
nA
Full
50
300
nA
Supply Current,
Automatic Powerdown Disabled
All Outputs Unloaded, FORCEON = FORCEOFF = V
CC
,
V
CC
= 3.0V
25
-
0.3
1.0
mA
Full
0.3
1.5
mA
LOGIC AND TRANSMITTER INPUTS AND RECEIVER OUTPUTS
Input Logic Threshold Low
T
IN
, FORCEON, FORCEOFF
T
IN
, FORCEON, FORCEOFF, V
CC
= 3.6V
Full
-
-
0.8
V
Input Logic Threshold High
Full
2.0
-
-
V
Transmitter Input Hysteresis
25
-
0.5
-
V
Input Leakage Current
T
IN
, FORCEON, FORCEOFF (ISL4238E, Note 4)
FORCEOFF = GND
Full
-
±
0.01
±
1.0
μ
A
Output Leakage Current
Full
-
±
0.05
±
10
μ
A
Output Voltage Low
I
OUT
= 1.6mA
I
OUT
= -1.0mA
Full
-
-
0.4
V
Output Voltage High
Full
V
CC
-0.6 V
CC
-0.1
-
V
RECEIVER INPUTS
Input Voltage Range
Full
-25
-
25
V
Input Threshold Low
V
CC
= 3.0V
V
CC
= 3.6V
Full
-
1.0
0.6
V
Input Threshold High
Full
2.4
1.5
-
V
Input Hysteresis
25
-
0.5
-
V
Input Resistance
Full
3
5
7
k
TRANSMITTER OUTPUTS
Output Voltage Swing
All Transmitter Outputs Loaded with 3k
to Ground
Full
±
5.0
±
5.4
-
V
Output Resistance
V
CC
= V+ = V- = 0V, Transmitter Output =
±
2V
Full
300
10M
-
Output Short-Circuit Current
Full
-
±
35
±
60
mA
Output Leakage Current
V
OUT
=
±
12V, V
CC
= 0V or 3V to 5.5V,
Automatic Powerdown or FORCEOFF = GND
Full
-
-
±
25
μ
A
ISL4238E, ISL4244E, ISL4245E
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