±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
MAX3222E/MAX3232E/MAX3237E/MAX3241E
†
/MAX3246E
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3V to +5.5V, C1–C4 = 0.1µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Notes 3, 4)
PARAMETER
Output Voltage High
RECEIVER INPUTS
Input Voltage Range
Input Threshold Low
Input Threshold High
Input Hysteresis
Input Resistance
TRANSMITTER OUTPUTS
Output Voltage Swing
Output Resistance
Output Short-Circuit Current
Output Leakage Current
V
CC
= 0 or +3.0V to +5.5V, V
OUT
= ±12V, transmitters
disabled (MAX3222E/MAX3232E/MAX3241E/MAX3246E)
All transmitter outputs loaded with 3kΩ to ground
V
CC
= 0, transmitter output = ±2V
±5
300
±5.4
50k
±60
±25
V
Ω
mA
µA
T
A
= +25°C
3
T
A
= +25°C
T
A
= +25°C
V
CC
= +3.3V
V
CC
= +5.0V
V
CC
= +3.3V
V
CC
= +5.0V
-25
0.6
0.8
1.1
1.5
1.5
2.0
0.5
5
7
2.4
2.4
+25
V
V
V
V
kΩ
IOUT = -1.0mA
CONDITIONS
MIN
V
CC
-
0.6
TYP
V
CC
-
0.1
MAX
UNITS
V
MOUSE DRIVABILITY
(MAX3241E)
T1IN = T2IN = GND, T3IN = V
CC
, T3OUT loaded with
Transmitter Output Voltage
3kΩ to GND, T1OUT and T2OUT loaded with 2.5mA
each
ESD PROTECTION
Human Body Model
R_IN, T_OUT
IEC 1000-4-2 Air-Gap Discharge (except MAX3237E)
IEC 1000-4-2 Contact Discharge (except MAX3237E)
IEC 1000-4-2 Contact Discharge (MAX3246E only)
T_IN, R_IN, R_OUT,
EN, SHDN,
MBAUD
Human Body Model
MAX3237E
IEC1000-4-2 Air-Gap Discharge
IEC1000-4-2 Contact Discharge
±5
V
±15
±15
±8
±9
±15
±15
±8
kV
kV
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
