Datasheet

MAX3185
±15kV ESD-Protected, EMC-Compliant, 230kbps
RS-232 Serial Port for Motherboards/Desktop PCs
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +4.5V to +5.5V, V
DD
= +10.8V to +13.2V, V
SS
= -10.8V to -13.2V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values
are at T
A
= +25°C.)
V
DD
= 12V, V
SS
= -12V, R
L
= 3kΩ,
C
L
= 1000pF, T
A
= +25°C
V
DD
= 12V, V
SS
= -12V,
R
L
= 3kΩ to 7kΩ,
measured from +3V to -3V
or -3V to +3V, Figure 3,
T
A
= +25°C
IEC1000-4-2 (Contact Discharge)
4
Human Body Model
t
PHLT
830
µs
SR
Transmitter Output
Propagation Delay, High to Low
V/µsTransition Output Slew Rate
IEC1000-4-2 (Air-Gap Discharge)
V
CC
= 5V, C
L
= 50pF, T
A
= +25°C
V
CC
= 5V, C
L
= 50pF, T
A
= +25°C
C
L
= 50pF to
1000pF
4.0
4.0
CONDITIONS
t
PHLR
C
L
= 50pF to
2500pF
µs
V
DD
= 12V, V
SS
= -12V, R
L
= 3kΩ,
C
L
= 1000pF, T
A
= +25°C
Receiver Output
Propagation Delay, High to Low
t
PLHR
4
µs
t
PLHT
Receiver Output
Propagation Delay, Low to High
µs
Transmitter Output
Propagation Delay, Low to High
T3OUT = -5mA, T1OUT = T2OUT = +5mA
120
±7.5 VMouse Driveability
V
CC
= 5V, C
L
= 50pF, T
A
= +25°C 0.4t
SKR
µs
Receiver Propagation Delay
Skew,
|
t
PLHR
- t
PHLR
|
V
CC
= 5V, V
DD
= 12V,
V
SS
= -12V,
R
L
= 3kΩ to 7kΩ,
T
A
= +25°C
230
kbpsDRGuaranteed Data Rate
±8
±15
V
DD
= 12V, V
SS
= -12V, R
L
= 3kΩ,
C
L
= 1000pF, T
A
= +25°C
0.4t
SKT
µs
Transmitter Propagation Delay
Skew,
|
t
PLHT
- t
PHLT
|
C
L
= 50pF to
1000pF
430
C
L
= 150pF to
2500pF
kV
±15
ESD Protection
UNITSMIN TYP MAXSYMBOLPARAMETER
ESD CHARACTERISTICS
TIMING CHARACTERISTICS