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ISL4221E_07 Datasheet, PDF (4/13 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +2.7V to +5.5V, 150nA, 250kBps, RS-232 Transmitters/Receivers
ISL4221E, ISL4223E
Absolute Maximum Ratings
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 . . . . . . . . . . . . . . . -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 Specification Table
Thermal Information
Thermal Resistance (Typical, Note 1)
θJA (°C/W)
16 Ld QFN Package. . . . . . . . . . . . . . . . . . . . . . . . .
35
20 Ld QFN Package. . . . . . . . . . . . . . . . . . . . . . . . .
32
Moisture Sensitivity (see Technical Brief TB363)
QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level 1
Maximum Junction Temperature (Plastic Package) . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Operating Conditions
Temperature Range
ISL422XEIR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-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. 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.
Electrical Specifications
PARAMETER
Test Conditions: VCC = 3V to 5.5V, C1 through C4 = 0.1μF; Unless Otherwise Specified.
Typicals are at TA = +25°C
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
DC CHARACTERISTICS
Supply Current, Automatic
All RIN Open, FORCEON = GND, FORCEOFF = VCC
25
-
0.15
Powerdown
Supply Current, Powerdown
FORCEOFF = GND
25
-
0.15
Supply Current,
Automatic Powerdown Disabled
All Outputs Unloaded,
FORCEON = FORCEOFF =
VCC
VCC = 3.15V
LOGIC AND TRANSMITTER INPUTS AND RECEIVER OUTPUTS
25
-
0.3
Input Logic Threshold Low
TIN, FORCEON, FORCEOFF, EN
Input Logic Threshold High
TIN, FORCEON, FORCEOFF, VCC = 3.3V
EN
VCC = 5.0V
Input Leakage Current
TIN, FORCEON, FORCEOFF, EN
Output Leakage Current
EN = VCC
Output Voltage Low
IOUT = 1.6mA
Output Voltage High
IOUT = -1.0mA
AUTOMATIC POWERDOWN (FORCEON = GND, FORCEOFF = VCC)
Receiver Input Thresholds to
Enable Transmitters
ISL422XE Powers Up (See Figure 6)
Full
-
-
Full
2.0
-
Full
2.4
-
Full
-
±0.01
Full
-
±0.05
Full
-
-
Full VCC - 0.6 VCC - 0.1
Full
-2.7
-
Receiver Input Thresholds to
Disable Transmitters
ISL422XE Powers Down (See Figure 6)
Full
-0.3
-
INVALID Output Voltage Low
IOUT = 1.6mA
INVALID Output Voltage High
IOUT = -1.0mA
Receiver Threshold to Transmitters
Enabled Delay (tWU)
Receiver Positive or Negative
Threshold to INVALID High Delay
(tINVH)
Full
-
-
Full VCC - 0.6
-
25
-
100
25
-
1
MAX
1
1
1.0
0.8
-
-
±1.0
±10
0.4
-
2.7
0.3
0.4
-
-
-
UNITS
μA
μA
mA
V
V
V
μA
μA
V
V
V
V
V
V
μs
μs
4
FN6045.2
April 13, 2007