卤15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3V to +5.5V, C1鈥揅4 = 0.1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25掳C.) (Notes 3, 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RECEIVER OUTPUTS
Output Leakage Current
R_OUT (MAX3222E/MAX3237E/MAX3241E/
MAX3246E),
EN = VCC, receivers disabled
卤0.05
卤10
渭A
Output-Voltage Low
IOUT = 1.6mA (MAX3222E/MAX3232E/MAX3241E/
MAX3246E), IOUT = 1.0mA (MAX3237E)
0.4
V
Output-Voltage High
IOUT = -1.0mA
VCC -
0.6
VCC -
0.1
V
RECEIVER INPUTS
Input Voltage Range
-25
+25
V
VCC = +3.3V
0.6
1.1
Input Threshold Low
TA = +25掳C
VCC = +5.0V
0.8
1.5
V
VCC = +3.3V
1.5
2.4
Input Threshold High
TA = +25掳C
VCC = +5.0V
2.0
2.4
V
Input Hysteresis
0.5
V
Input Resistance
TA = +25掳C
3
5
7
k
TRANSMITTER OUTPUTS
Output Voltage Swing
All transmitter outputs loaded with 3k
! to ground
(Note 6)
卤5
卤5.4
V
Output Resistance
VCC = 0V, transmitter output = 卤2V
300
50k
Output Short-Circuit Current
卤60
mA
Output Leakage Current
VCC = 0V or +3.0V to +5.5V, VOUT = 卤12V, transmitters
disabled (MAX3222E/MAX3232E/MAX3241E/MAX3246E)
卤25
渭A
MOUSE DRIVABILITY (MAX3241E)
Transmitter Output Voltage
T1IN = T2IN = GND, T3IN = VCC, T3OUT loaded with
3k
to GND, T1OUT and T2OUT loaded with 2.5mA
each
卤5
V
ESD PROTECTION
Human Body Model
卤15
IEC 1000-4-2 Air-Gap Discharge (except MAX3237E)
卤15
IEC 1000-4-2 Contact Discharge (except MAX3237E)
卤8
R_IN, T_OUT
IEC 1000-4-2 Contact Discharge (MAX3246E only)
卤9
kV
Human Body Model
卤15
IEC 1000-4-2 Air-Gap Discharge
卤15
T_IN, R_IN, R_OUT,
EN, SHDN,
MBAUD
MAX3237E
IEC 1000-4-2 Contact Discharge
卤8
kV
Maxim Integrated
3
MAX3222E/MAX3232E/MAX3237E/
MAX3241E/MAX3246E
