Datasheet

MAX3233E/MAX3235E
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.0V to +3.6V for MAX3233E, V
CC
= +4.5V to +5.5V for MAX3235E; T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical val-
ues are at T
A
= +25°C.)
CONDITIONS
Ω300 10MOutput Resistance
V±5 ±5.4Output Voltage Swing
UNITSMIN TYP MAXSYMBOLPARAMETER
Figure 3a
s15 30 60t
AUTOSHDN
Receiver or Transmitter Edge to
Transmitters Shut Down
µs100t
WU
Receiver or Transmitter Edge to
Transmitters Enabled
µs1t
INVH
Receiver Positive or Negative
Threshold to INVALID High
V V
CC
- 0.6
INVALID, Output Voltage High
V0.4
INVALID Output Voltage Low
V-0.3 0.3
Receiver Input Threshold to
INVALID Output Low
-2.7
V
2.7
Receiver Input Threshold to
INVALID Output High
±15
±8R_IN, T_OUT kV
±15
µA
±25
Output Leakage Current
±60 mAOutput Short-Circuit Current
V
CC
= V+ = V- = 0, transmitter outputs = ±2V
All transmitter outputs loaded with 3kΩ to
ground
Figure 3b (Note 3)
Figure 3b (Note 3)
Figure 3b
I
OUT
= -1.0mA
I
OUT
= -1.6mA
Figure 3a
Human Body Model
V
OUT
= ± 12V
transmitters
disabled
IEC1000-4-2 Contact Discharge
IEC1000-4-2 Air Discharge
V
CC
= 0 or +4.5V to
5.5V (MAX3235E)
V
CC
= 0 or +3.0V to
3.6V (MAX3233E)
±15kV ESD-Protected, 1µA, 250kbps, 3.3V/5V, Dual
RS-232 Transceivers with Internal Capacitors
±25
MAX3233E
MAX3235E 50
µs
70
t
INVL
Receiver Positive or Negative
Threshold to INVALID Low
Figure 3b
TRANSMITTER OUTPUTS
ESD PROTECTION
AutoShutdown PLUS (FORCEON = GND, FORCEOFF = V
CC
)
Positive threshold
Negative threshold
Note 3: A transmitter/receiver edge is defined as a transition through the transmitter/receiver input logic thresholds.