Datasheet

+3.0V to+5.5V, 1µA, RS-232/RS-485/422
Multiprotocol Transceivers
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Receiver Output Enable Time t
RZL
, t
RZH
C
L
= 50pF, Figures 2, 8 100 ns
Receiver Output Disable Time t
RLZ
, t
RHZ
C
L
= 50pF, Figures 2, 8 100 ns
RS-485/RS-422 TIMING CHARACTERISTICS (FAST = V
CC
, 10Mbps)
Driver Propagation Delay
t
DPHL,
t
DPLH
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 5 60 120 ns
Driver Rise And Fall Times t
DR
, t
DF
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 5 10 25 ns
Driver Propagation Delay Skew t
DSKEW
R
DIFF
= 54Ω, C
L
= 50pF, Figures 3, 5 10 ns
Driver Output Enable Time
t
DZL
R
DIFF
= 54Ω, C
L
= 50pF, Figures 4, 6 400 800 ns
Driver Output Disable Time t
DLZ
, t
DHZ
R
DIFF
= 54Ω, C
L
= 50pF, Figures 4, 6 200 400 ns
Receiver Propagation Delay
t
RPLH
,
t
RPHL
C
L
= 15pF, Figures 7, 9 80 150 ns
Receiver Propagation Delay
Skew
t
RSKEW
C
L
= 50pF, Figures 7, 9 10 ns
Receiver Output Enable Time t
RZL
, t
RZH
C
L
= 50pF, Figures 2, 8 100 ns
Receiver Output Disable Time t
RLZ
, t
RHZ
C
L
= 15pF, Figures 2, 8 100 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 T
A
= +25°C.)
Typical Operating Characteristics
(V
CC
= +3.3V, 250kbps data rate, 0.1µF capacitors, all RS-232 transmitters (RS-232 mode) loaded with 3kΩ to ground, T
A
= +25°C,
unless otherwise noted.)
-10.0
-7.5
-5.0
-2.5
0
2.5
5.0
7.5
10.0
0 1000 2000 3000 4000 5000
RS-232 TRANSMITTER OUTPUT VOLTAGE vs.
LOAD CAPACITANCE (FAST = GND)
MAX3160/2 TOC1
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
-10.0
-7.5
-5.0
-2.5
0
2.5
5.0
7.5
10.0
0 500 1000 1500 2000
RS-232 TRANSMITTER OUTPUT VOLTAGE
vs. LOAD CAPACITANCE (FAST =
V
CC
)
MAX3160/2 TOC2
LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (V)
0
4
2
10
8
6
16
14
12
18
0 20001000 3000 4000 5000
RS-232 TRANSMITTER SLEW RATE vs.
LOAD CAPACITANCE (FAST = GND)
MAX3160/2 TOC3
LOAD CAPACITANCE (pF)
SLEW RATE (V/μs)
Note 2: Applies to A, B for MAX3162 and MAX3160/MAX3161 with HDPLX = GND, or Y, Z for MAX3160/MAX3161 with HDPLX = V
CC.
Maxim Integrated
5
MAX3160/MAX3161/MAX3162