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MAX3241ECAI View Datasheet(PDF) - Maxim Integrated

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MAX3241ECAI Datasheet PDF : 26 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
TIMING CHARACTERISTICS—MAX3222E/MAX3232E/MAX3241E/MAX3246E
(VCC = +3V to +5.5V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Notes 3, 4)
PARAMETER
Maximum Data Rate
Receiver Propagation Delay
Receiver Output Enable Time
Receiver Output Disable Time
SYMBOL
tPHL
tPLH
CONDITIONS
RL = 3k,
CL = 1000pF,
one transmitter
switching
TA = TMIN to TMAX
(MAX3222E/MAX3232E/
MAX3241E) (Note 6)
TA = +25°C (MAX3246E)
Receiver input to receiver output,
CL = 150pF
Normal operation (except MAX3232E)
Normal operation (except MAX3232E)
MIN
250
250
TYP MAX UNITS
kbps
0.15
µs
0.15
200
ns
200
ns
Transmitter Skew
Receiver Skew
|tPHL - tPLH| (Note 7)
|tPHL - tPLH|
100
ns
50
ns
Transition-Region Slew Rate
VCC = +3.3V, TA = +25°C,
RL = 3kto 7k, measured
CL = 150pF
from +3.0V to -3.0V or -3.0V to to 1000pF
6
+3.0V, one transmitter switching
30
V/µs
TIMING CHARACTERISTICS—MAX3237E
(VCC = +3V to +5.5V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 3)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
RL = 3k, CL = 1000pF, one transmitter switching,
250
MBAUD = GND
Maximum Data Rate
VCC = +3.0V to +4.5V, RL = 3k, CL = 250pF,
one transmitter switching, MBAUD = VCC
1000
kbps
VCC = +4.5V to +5.5V, RL = 3k, CL = 1000pF,
one transmitter switching, MBAUD = VCC
1000
Receiver Propagation Delay
R_IN to R_OUT, CL = 150pF
tPHL
tPLH
0.15
µs
0.15
Receiver Output Enable Time
Normal operation
2.6
µs
Receiver Output Disable Time
Normal operation
2.4
µs
Transmitter Skew (Note 7)
| tPHL - tPLH |, MBAUD = GND
| tPHL - tPLH |, MBAUD = VCC
100
ns
Receiver Skew
| tPHL - tPLH |
50
ns
VCC = +3.3V,
CL = 150pF
MBAUD = GND
6
Transition-Region Slew Rate
RL = 3kto 7k,
+3.0V to -3.0V or
to 1000pF
MBAUD = VCC
24
-3.0V to +3.0V,
TA = +25°C
CL = 150pF to 2500pF,
MBAUD = GND
4
30
150 V/µs
30
Note 3: MAX3222E/MAX3232E/MAX3241E: C1–C4 = 0.1µF tested at +3.3V ±10%; C1 = 0.047µF, C2, C3, C4 = 0.33µF tested at +5.0V
±10%. MAX3237E: C1–C4 = 0.1µF tested at +3.3V ±5%, C1–C4 = 0.22µF tested at +3.3V ±10%; C1 = 0.047µF, C2, C3, C4 =
0.33µF tested at +5.0V ±10%. MAX3246E; C1-C4 = 0.22µF tested at +3.3V ±10%; C1 = 0.22µF, C2, C3, C4 = 0.54µF tested at
5.0V ±10%.
Note 4: MAX3246E devices are production tested at +25°C. All limits are guaranteed by design over the operating temperature range.
Note 5: The MAX3237E logic inputs have an active positive feedback resistor. The input current goes to zero when the inputs are at
the supply rails.
Note 6: MAX3241EEUI is specified at TA = +25°C.
Note 7: Transmitter skew is measured at the transmitter zero crosspoints.
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