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參數(shù)資料
型號： ISL4243EIR
廠商： Intersil
文件頁數(shù)： 10/14頁
文件大?。?/td> 0K
描述： IC TXRX RS232 2.7-5.5VESD 32-QFN
標(biāo)準(zhǔn)包裝： 60
類型： 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù)： 3/5
規(guī)程： RS232
電源電壓： 2.7 V ~ 5.5 V
安裝類型： 表面貼裝
封裝/外殼： 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝： 32-QFN 裸露焊盤（5x5）
包裝： 管件
5
FN8037.7
June 10, 2010
Absolute Maximum Ratings
Thermal Information
VCC 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
TIN, FORCEOFF, FORCEON, EN, SHDN . . . . . . . . . -0.3V to 6V
RIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25V
Output Voltages
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±13.2V
ROUT, INVALID. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V
Short Circuit Duration
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . See “ESD PERFORMANCE” on page 7
Thermal Resistance (Typical, Notes 1, 2)
θ
JA (°C/W)
θ
JC (°C/W)
32 Ld QFN Package. . . . . . . . . . . . . . .
32
2.0
Maximum Storage Temperature Range . . . . . . . . . . -65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
Operating Conditions
Temperature Range
ISL4241EIR, ISL4243EIR . . . . . . . . . . . . . . . . . . . -40°C to +85°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTE:
1.
θJA 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.
2. For
θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Test Conditions: VCC = 3V to 5.5V, C1 to C4 = 0.1F; Unless Otherwise Specified.
Typicals are at TA = +25°C
PARAMETER
TEST CONDITIONS
TEMP
(°C)
MIN
(Note 4)
TYP
MAX
(Note 4) UNITS
DC CHARACTERISTICS
Operating Voltage Range
Full
2.7
-
5.5
V
Supply Current, Automatic
Power-down
All RIN Open, FORCEON = GND, FORCEOFF = VCC
(ISL4243E Only)
25
-
3
300
nA
Full
-
50
300
nA
Supply Current, Power-down
All RIN Open, FORCEOFF = SHDN = GND
25
-
3
300
nA
Full
-
50
300
nA
Supply Current,
Automatic Power-down Disabled
All Outputs Unloaded,
FORCEON = FORCEOFF = SHDN = VCC, VCC = 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
TIN, FORCEON, FORCEOFF, EN, SHDN
Full
-
0.8
V
Input Logic Threshold High
TIN, FORCEON, FORCEOFF, EN, SHDN, VCC = 3.6V
Full
2.0
-
V
Input Leakage Current
TIN, FORCEON, FORCEOFF, EN, SHDN
Full
-
±0.01
±1.0
A
Output Leakage Current
FORCEOFF = GND (ISL4243E) or EN = VCC (ISL4241E)
Full
-
±0.05
±10
A
Transmitter Input Hysteresis
25
-
0.5
-
V
Output Voltage Low
IOUT = 1.6mA
Full
-
0.4
V
Output Voltage High
IOUT = -1.0mA
Full
VCC - 0.6 VCC - 0.1
-
V
AUTOMATIC POWER-DOWN (ISL4243E Only, FORCEON = GND, FORCEOFF = VCC)
Receiver Input Thresholds to
Enable Transmitters
ISL4243E Powers Up (see Figure 7)
Full
-2.7
-
2.7
V
Receiver Input Thresholds to
Disable Transmitters
ISL4243E Powers Down (see Figure7)
Full
-0.3
-
0.3
V
INVALID Output Voltage Low
IOUT = 1.6mA
Full
-
0.4
V
INVALID Output Voltage High
IOUT = -1.0mA
Full
VCC - 0.6
-
V
Receiver Threshold to Transmitters
Enabled Delay (tWU)
Full
-
20
100
s
ISL4241E, ISL4243E
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