ISL3241E_14 Datasheet, PDF (7/16 Pages) Intersil Corporation – QFN Packaged, ±15kV ESD Protected, +2.7V to +3.6V,250kbps, RS-232 Transmitters/Receivers with Separate Logic Supply Pin

ISL3241E, ISL3243E
Electrical Specifications Test Conditions: V_CC = 3V to 3.6V, V_L = 1.8V ±10%, C₁ to C₄ = 0.1µF, Unless Otherwise Specified.
Typicals are at T_A = +25°C, V_CC = 3.3V, V_L = 1.8V, Unless Otherwise Specified. Boldface limits apply over the operating temperature range, -40°C
to +85°C. (Continued)
PARAMETER
Transition Region Slew Rate
ESD PERFORMANCE
TEST CONDITIONS
V_CC = 3V to 3.6V, R_L = 3kΩto 7kΩ,
Measured From 3V to -3V or -3V to 3V
C_L = 150pF to
2500pF
C_L = 150pF to
1000pF
TEMP MIN
MAX
(°C) (Note 6) TYP (Note 6) UNITS
25
4
12
30
V/µs
Full
4
11
30
V/µs
25
6
18
30
V/µs
Full
6
17
30
V/µs
RS-232 Pins (T_OUT, R_IN)
Human Body Model
IEC61000-4-2 Contact Discharge
25
-
±15
-
kV
25
-
±8
-
kV
IEC61000-4-2 Air Gap Discharge
25
-
±15
-
kV
All Pins
Human Body Model
25
-
±2
-
kV
Machine Model
25
-
±200
-
V
NOTES:
6. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
7. Transmitter propagation delays are measured at the transmitter output 0V crossing points.
Test Circuits and Waveforms
SHDN
OR
V_L ^FORCEOFF
T_IN
T_OUT
D
SIGNAL
GENERATOR
R_L
C_L
T_IN
T_OUT
1.5V
t_PHL
0V
V_L
1.5V
0V
t_PLH
0V
+V_O
-V_O
SKEW = |t_PHL - t_PLH|
FIGURE 1A. TEST CIRCUIT
FIGURE 1B. MEASUREMENT POINTS
FIGURE 1. DRIVER PROPAGATION DELAY AND SKEW
EN = GND
OR
FORCEOFF = V_L
R_IN
1.5V
+3V
1.5V
-3V
R_IN
SIGNAL
GENERATOR
R
R_OUT
C_L
R_OUT
t_PHL
50%
t_PLH
50%
V_OH
V_OL
SKEW = |t_PHL - t_PLH|
FIGURE 2A. TEST CIRCUIT
FIGURE 2B. MEASUREMENT POINTS
FIGURE 2. RECEIVER PROPAGATION DELAY AND SKEW
7
FN6768.2
June 18, 2012