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MAX3222E Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX3222E
Description  ±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V, Up to 1Mbps, True RS-232 Transceivers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3222E Datasheet(HTML) 3 Page - Maxim Integrated Products

 
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±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
_______________________________________________________________________________________
3
Note 2: MAX3222E/MAX3232E/MAX3241E: C1–C4 = 0.1µF tested at 3.3V ±10%; C1 = 0.047µF, C2–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–C4 =
0.33µF tested at 5.0V ±10%.
Note 3: 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 4: Transmitter skew is measured at the transmitter zero crosspoints.
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.0V to +5.5V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
TA = +25°C
IEC 1000-4-2 Contact Discharge (except MAX3237E)
IEC 1000-4-2 Air-Gap Discharge (except MAX3237E)
Human Body Model
TA = +25°C
VCC = 0 or 3V to 5.5V, VOUT = ±12V, transmitters disabled
(MAX3222E/MAX3232E/MAX3241E)
T1IN = T2IN = GND, T3IN = VCC, T3OUT loaded with 3k
to GND, T1OUT and T2OUT loaded with 2.5mA each
CONDITIONS
V
0.5
Input Hysteresis
V
1.5
2.4
Input Threshold High
±8
R_IN, T_OUT
±15
kV
±15
k
35
7
Input Resistance
µA
±25
Output Leakage Current
V
±5
Transmitter Output Voltage
UNITS
MIN
TYP
MAX
PARAMETER
TIMING CHARACTERISTICS—MAX3222E/MAX3232E/MAX3241E
(VCC = +3.0V to +5.5V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 2)
VCC = 0, transmitter output = ±2V
300
50k
Output Resistance
TRANSMITTER OUTPUTS
mA
±60
Output Short-Circuit Current
2.0
2.4
All transmitter outputs loaded with 3k
Ω to ground
V
±5
±5.4
Output Voltage Swing
VCC = 3.3V
VCC = 5.0V
MAX3237E
±8
T_IN, R_IN, R_OUT, EN, SHDN,
MBAUD
±15
kV
±15
RECEIVER INPUTS
MOUSE DRIVEABILITY (MAX3241E)
ESD PROTECTION
Human Body Model
IEC 1000-4-2 Air-Gap Discharge
IEC 1000-4-2 Contact Discharge
Transition-Region Slew Rate
430
V/µs
CL = 150pF to
2500pF
CL = 150pF to
1000pF
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Receiver Skew
tPHL - tPLH
50
ns
Transmitter Skew
tPHL - tPLH
100
ns
Receiver Output Disable Time
200
ns
Receiver Output Enable Time
200
ns
630
Maximum Data Rate
250
kbps
tPHL
0.15
Receiver Propagation Delay
tPLH
0.15
µs
CONDITIONS
(Note 4)
Normal operation (except MAX3232E)
Normal operation (except MAX3232E)
VCC = 3.3V,
TA = +25°C,
RL = 3k
Ω to 7kΩ,
measured from +3V
to -3V or -3V to +3V
RL = 3k
Ω, CL = 1000pF,
one transmitter switching
Receiver input to receiver output,
CL = 150pF


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