Datasheet

MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
4 _______________________________________________________________________________________
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
Output Short-Circuit Current I
SC
V
Y
or V
Z
= -7V to +12V
±250
mA
MAX3160E
±125
MAX3161E ±25
Output Leakage Current
I
O
V
Y
or V
Z
= -7V or +12V,
DE485 = GND or SHDN =
GND
MAX3162E ±25
µA
RS-232 TRANSMITTER TIMING CHARACTERISTICS (SLOW MODE, FAST = GND, 250kbps, one transmitter switching)
Maximum Data Rate R
L
= 3kΩ, C
L
= 1000pF
250
kbps
Transmitter Skew
t
TSKEW
R
L
= 3kΩ, C
L
= 150pF, Figure 6 25 ns
C
L
= 150pF
to 1000pF
630
Transition-Region Slew Rate
V
CC
= +3.3V, T
A
= +25°C,
R
L
= 3kΩ to 7kΩ,
measured from +3.0V to
-3.0V or -3.0V to +3.0V
C
L
= 150pF
to 2500pF
430
V/µs
RS-232 TRANSMITTER TIMING CHARACTERISTICS (FAST MODE, FAST = V
CC
, 1Mbps, one transmitter switching)
V
CC
= +3V to +4.5V, R
L
= 3kΩ, C
L
= 250pF 1
Maximum Data Rate
V
CC
= +4.5V to +5.5V, R
L
= 3kΩ,
C
L
= 1000pF
1
Mbps
Transmitter Skew
t
TSKEW
R
L
= 3kΩ, C
L
= 150pF, Figure 6 10 ns
MAX3160E
13 150
Transition-Region Slew Rate
V
CC
= +3.3V, T
A
= +25°C, R
L
= 3kΩ to 7kΩ, C
L
= 150pF to
1000pF, measured from +3.0V
to -3.0V or -3.0V to +3.0V
MAX3161E
MAX3162E
24 150
V/µs
RS-232 RECEIVER TIMING CHARACTERISTICS
Receiver Propagation Delay
t
PHL
,t
PLH
R_IN to R_OUT, C
L
= 15pF, Figure 5
0.15
µs
Receiver Output Enable Time
t
RZL
,t
RZH
C
L
= 50pF, Figures 2, 10, MAX3162E
200
ns
Receiver Output Disable Time
t
RLZ
,t
RHZ
C
L
= 15pF, Figures 2, 10, MAX3162E
200
ns
Receiver Skew
t
RSKEW
C
L
= 50pF, Figure 5
100
ns
RS-485/RS-422 DRIVER TIMING CHARACTERISTICS (SLOW MODE, FAST = GND, 250kbps)
Differential Driver Propagation
Delay
t
DPHL
,
t
DPLH
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 7
200 400
800 ns
Differential Driver Rise and Fall
Time
t
DR,
t
DF
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 7
200 400
800 ns
Differential Driver Propagation
Delay Skew
t
DSKEW
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 7 200 ns
Driver Output Enable Time
t
DZH
, t
DZL
C
L
= 50pF, Figures 4, 8
400
900 ns
Driver Output Disable Time
t
DLZ
, t
DHZ
C
L
= 50pF, Figures 4, 8
200
400 ns
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3V to +5.5V, C1–C4 = 0.1µF when tested at +3.3V ±10%; C1 = 0.047µF and C2, C3, C4 = 0.33µF when tested at +5V±10%;
T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +3.3V and T
A
= +25°C.) (Note 2)