Datasheet

MAX3160E/MAX3161E/MAX3162E
±15kV ESD-Protected, +3.0V to +5.5V, 10nA,
RS-232/RS-485/RS-422 Multiprotocol Transceivers
_______________________________________________________________________________________ 7
0
30
20
10
40
50
60
70
80
90
100
-40 10-15 35 60 85
RS-485/RS-422 RECEIVER PROPAGATION
DELAY vs. TEMPERATURE
MAX3160E toc14
TEMPERATURE (
°
C)
PROPAGATION DELAY (ns)
RISING
FALLING
20
30
25
40
35
45
50
-40 10-15 35 60 85
RS-485/RS-422 DRIVER PROPAGATION DELAY
vs. TEMPERATURE (FAST = V
CC
)
MAX3160E toc15
TEMPERATURE (
°
C)
PROPAGATION DELAY (ns)
C
L
= 50pF
R
DIFF
= 54Ω
DATA RATE = 10Mbps
FALLING
RISING
100
200
150
300
250
350
400
-40 10-15 35 60 85
RS-485/RS-422 DRIVER PROPAGATION DELAY
vs. TEMPERATURE (FAST = GND)
MAX3160E toc16
TEMPERATURE (
°
C)
PROPAGATION DELAY (ns)
C
L
= 50pF
R
DIFF
= 54Ω
DATA RATE = 250kbps
FALLING
RISING
20ns/div
RS-485/RS-422 DRIVER PROPAGATION
(FAST = V
CC
, 10Mbps)
V
Y
- V
Z
2V/div
DI
2V/div
MAX3160E toc17
C
L
= 50pF
R
DIFF
= 54
Ω
1.0
µ
s/div
RS-485/RS-422 DRIVER PROPAGATION
(FAST = GND, 250kbps)
V
Y
- V
Z
2V/div
DI
2V/div
MAX3160E toc18
C
L
= 50pF
R
DIFF
= 54
Ω
4ns/div
RS-485/RS-422 RECEIVER PROPAGATION
(FAST = V
CC
, 5Mbps)
V
Y
- V
Z
2V/div
RO
2V/div
MAX3160E toc20
C
L
= 15pF
100ns/div
RS-485/RS-422 RECEIVER PROPAGATION
(FAST = V
CC
, 5Mbps)
V
Y
- V
Z
2V/div
MAX3160E toc21
C
L
= 50pF
R
DIFF
= 54
Ω
DE485
2V/div
0
4
2
8
6
12
10
14
0 1.0 1.50.5 2.0 2.5 3.0 3.5
RECEIVER OUTPUT CURRENT
vs. RECEIVER-OUTPUT HIGH VOLTAGE
MAX3160E toc13
OUTPUT-HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
Typical Operating Characteristics (continued)
(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.)
-1000
-800
-400
-600
0
200
-200
400
-20 -10 -5-15 0 5 101520
I-V OUTPUT IMPEDANCE CURVE
IN RS-232 SHUTDOWN MODE
MAX3160E toc19
OUTPUT VOLTAGE (V)
OUTPUT CURRENT (µA)