Datasheet

MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
_______________________________________________________________________________________ 5
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
RS-485/RS-422 DRIVER TIMING CHARACTERISTICS FAST MODE, FAST = V
CC
, 10Mbps)
Differential Driver Propagation
Delay
t
DPHL,
t
DPLH
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 7 60 120 ns
Differential Driver Rise and Fall
Times
t
DR
, t
DF
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 7 10 25 ns
Differential Driver Propagation
Delay Skew
t
DSKEW
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 7 10 ns
Driver Output Enable Time
t
DZH
,t
DZL
C
L
= 50pF, Figures 4, 8
400
900 ns
Driver Output Disable Time
t
DHZ
,t
DLZ
C
L
= 50pF, Figures 4, 8
200
400 ns
RS-485/RS-422 RECEIVER TIMING CHARACTERISTICS
Receiver Propagation Delay
t
RPLH
,
t
RPHL
C
L
= 15pF, Figures 9, 11 80 150 ns
Receiver Propagation Delay
Skew
t
RSKEW
C
L
= 15pF, Figures 9, 11 1 10 ns
Receiver Output Enable Time
t
RZL
, t
RZH
MAX3162E, C
L
= 50pF, Figures 2, 10
100
ns
Receiver Output Disable Time
t
RLZ
, t
RHZ
MAX3162E, C
L
= 15pF, Figures 2, 10
100
ns
ESD PROTECTION
R_IN, T_OUT, A, B, Y, Z Human Body Model
±15
kV
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)
Typical Operating Characteristics
(V
CC
= +3.3V, 250kbps data rate, C
BYPASS
, C1, C2, C3, C4 = 0.1µF, all RS-232 transmitters (RS-232 mode) loaded with 3kΩ to
ground, T
A
= +25°C, unless otherwise noted.)
-10.00
-5.00
-7.50
-2.50
5.00
7.50
2.50
0
10.00
0 1000 2000 3000 4000 5000
RS-232 TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE (FAST = GND)
MAX3160E toc01
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
-10.00
-5.00
-7.50
-2.50
5.00
7.50
2.50
0
10.00
0 500 1000 1500 2000 2500
RS-232 TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE (FAST = V
CC
)
MAX3160E toc02
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
DATA RATE = 1Mbps
0
4
2
8
6
10
12
16
14
18
0 1000 2000 3000 4000 5000
RS-232 TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE (FAST = GND)
MAX3160E toc03
LOAD CAPACITANCE (pF)
SLEW RATE (V/µs)
RISING
FALLING
Note 2: All currents into the device are positive. All currents out of the device are negative.
Note 3: Applies to A, B for MAX3162E and MAX3160E/MAX3161E with HDPLX = GND, or Y, Z for MAX3160E/MAX3161E with
HDPLX = V
CC.