ISL4270E Datasheet, PDF (4/13 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +3V to +5.5V, 300nA, 250kbps, RS-232 Transceivers with Enhanced Automatic Powerdown and a Separate Logic Supply

ISL4270E
Absolute Maximum Ratings
V_CC to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 6V
V_L to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V
V+ to Ground . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V
V- to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3V to -7V
V+ to V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14V
Input Voltages
T_IN, FORCEON, FORCEOFF . . . . . . . . . . . . . . . . . . -0.3V to 6V
R_IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25V
Output Voltages
T_OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±13.2V
R_OUT, INVALID. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (V_L +0.3V)
Short Circuit Duration
T_OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
ESD Rating . . . . . . . . . . . . See “ESD PERFORMANCE” on page 5
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ_JA (°C/W) θ_JC (°C/W)
32 Ld QFN Package. . . . . . . . . . . . . . .
30
2.2
Moisture Sensitivity (see Technical Brief TB363)
QFN Package. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Level 1
Maximum Junction Temperature (Plastic Package) . . . . . . . 150^oC
Maximum Storage Temperature Range . . . . . . . . . . -65^oC to 150^oC
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Operating Conditions
Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . -40^oC to 85^oC
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.
NOTES:
1. 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.
2. For θ_JC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
PARAMETER
Test Conditions: V_CC = 3V to 5.5V, C₁ - C₄ = 0.1µF, V_L = V_CC; Unless Otherwise Specified.
Typicals are at T_A = 25^oC, V_CC = V_L = 3.3V
TEST CONDITIONS
TEMP MIN
MAX
(^oC) (Note 4) TYP (Note 4) UNITS
DC CHARACTERISTICS
Supply Current, Automatic
Powerdown
All R_IN Open, FORCEON = GND, FORCEOFF = V_CC
25
-
0.3
5
μA
Supply Current, Powerdown
FORCEOFF = GND
25
-
0.3
5
μA
Supply Current,
All Outputs Unloaded, FORCEON = FORCEOFF = V_CC,
25
-
0.3
1
mA
Automatic Powerdown Disabled V_CC = 3.15V
LOGIC AND TRANSMITTER INPUTS
Input Logic Threshold Low
Input Logic Threshold High
Transmitter Input Hysteresis
T_IN, FORCEON, FORCEOFF
T_IN, FORCEON, FORCEOFF
V_L = 3.3V or 5V
V_L = 2.5V
V_L = 5V
V_L = 3.3V
V_L = 2.5V
V_L = 1.8V
Full
-
-
0.8
V
Full
-
-
0.6
V
Full
2.4
-
-
V
Full
2.0
-
-
V
Full
1.4
-
-
V
25
-
0.9
-
V
25
-
0.5
-
V
Input Leakage Current
RECEIVER OUTPUTS
T_IN, FORCEON, FORCEOFF
Full
-
±0.01
±1.0
μA
Output Voltage Low
Output Voltage High
RECEIVER INPUTS
I_OUT = 1.6mA
I_OUT = -1.0mA
Full
-
-
0.4
V
Full V_L - 0.6 V_L - 0.1
-
V
Input Voltage Range
Full
-25
-
25
V
Input Threshold Low
Input Threshold High
Input Hysteresis
V_CC = V_L = 5.0V
V_CC = V_L = 3.3V
V_CC = V_L = 5.0V
V_CC = V_L = 3.3V
25
0.8
1.5
-
V
25
0.6
1.2
-
V
25
-
1.8
2.4
V
25
-
1.5
2.4
V
25
-
0.5
-
V
Input Resistance
25
3
5
7
kΩ
4
FN6041.2
June 16, 2010