ISL3241E Datasheet, PDF (6/16 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
PARAMETER
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 (Continued)
TEST CONDITIONS
TEMP MIN
(°C) (Note 3)
TYP
MAX
(Note 3) UNITS
Receiver Positive or Negative
Threshold to INVALID High
Delay (t_INVH)
Receiver Positive or Negative
Threshold to INVALID Low
Delay (t_INVL)
RECEIVER INPUTS
25
-
0.7
-
µs
25
-
20
-
µs
Input Voltage Range
Full
-25
-
25
V
Input Threshold Low
Input Threshold High
V_CC ≥ 2.7V
V_CC ≥ 3V
Full
-
-
0.6
V
Full
-
-
0.8
V
Full
2.0
1.5
-
V
Input Hysteresis
25
-
0.5
-
V
Input Resistance
Full
3
5
7
kΩ
TRANSMITTER OUTPUTS
Output Voltage Swing (V_O)
Output Resistance
Output Short-Circuit Current
All Transmitter Outputs Loaded with 3kΩ to
Ground
V_CC = 2.7V
V_CC = V_L = V+ = V- = 0V, Transmitter Output = ±2V
Full
±5.0
Full
±4.0
Full
300
Full
-
±5.4
±4.7
10M
±35
-
V
-
V
-
Ω
±60
mA
Output Leakage Current
V_OUT = ±12V, V_CC = V_L = 0V or 3V to 3.6V,
Automatic Powerdown or FORCEOFF = SHDN = GND
Full
-
-
±25
µA
TIMING CHARACTERISTICS
Maximum Data Rate
R_L = 3kΩ, C_L = 1000pF, One Transmitter Switching
R_L = 3kΩ, C_L = 200pF, V_CC = 3.15V, One Transmitter
Switching
Full
250
400
Full
-
1.3
-
kbps
-
Mbps
Receiver Propagation Delay
Receiver Input to Receiver Output,
C_L = 30pF, R_IN = ±3V (See Figure 2)
t_PHL
25
-
0.23
0.55
µs
Full
-
0.26
0.6
µs
t_PLH
25
-
0.16
0.55
µs
Full
-
0.18
0.6
µs
Receiver Skew
|t_PHL - t_PLH|
25
-
Full
-
70
300
ns
80
350
ns
Transmitter Propagation Delay
Transmitter Input to Transmitter Output,
C_L = 1000pF, R_L = 3kΩ (See Figure 1)
(Note 4)
t_PHL
t_PLH
25
-
Full
-
25
-
Full
-
0.7
1.5
µs
0.8
1.7
µs
0.7
1.5
µs
0.8
1.7
µs
Transmitter Skew
|t_PHL - t_PLH|
25
-
Full
-
20
500
ns
20
550
ns
Receiver Output Enable Time From EN or FORCEOFF, V_L = V_CC, R_L = 1kΩ, C_L = 15pF
25
-
120
-
ns
Receiver Output Disable Time ^{(See Figure 3)}
25
-
200
-
ns
Transmitter Output Enable Time From SHDN or FORCEOFF, R_L = 3kΩ, C_L = 1000pF
From Powerdown
25
-
20
-
µs
Transition Region Slew Rate V_CC = 3V to 3.6V, R_L = 3kΩ to 7kΩ,
C_L = 150pF to
25
4
Measured From 3V to -3V or -3V to 3V 2500pF
Full
4
12
30
V/µs
11
30
V/µs
C_L = 150pF to
25
6
1000pF
Full
6
18
30
V/µs
17
30
V/µs
6
FN6768.1
May 13, 2010