Datasheet

MAX1481/MAX1484/MAX1485/MAX1486
Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited,
12Mbps, RS-485/RS-422 Transceivers in µMAX Package
6 _______________________________________________________________________________________
_________________________________Typical Operating Characteristics (continued)
(V
CC
= +5V, T
A
= +25°C, unless otherwise noted.)
18
26
22
30
34
38
-60 -20 0-40 20 40 60 80 100
MAX1484/MAX1486 DRIVER
PROPAGATION DELAY vs. TEMPERATURE
MAX1481/4/5/6-10
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
R
DIFF
= 54Ω
C
L1 =
C
L2 = 100pF
0
60
40
20
80
120
100
140
0 42 6 8 10 12
OUTPUT CURRENT vs.
DRIVER OUTPUT LOW VOLTAGE
MAX1481/4/5/6-11
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
0
40
20
60
100
80
120
-8 -4 -2-6 0 2 4 6
OUTPUT CURRENT vs.
DRIVER OUTPUT HIGH VOLTAGE
MAX1481/4/5/6-12
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
2.10
2.15
2.25
2.20
2.35
2.30
2.40
-60 -20 0-40 20 40 60 80 100
DRIVER DIFFERENTIAL OUTPUT
VOLTAGE vs. TEMPERATURE
MAX1481/4/5/6-13
TEMPERATURE (°C)
OUTPUT VOLTAGE (V)
R
DIFF
= 54Ω
V
A
- V
B
RO
(2V/div)
(5V/div)
1µs/div
MAX1481/MAX1485
RECEIVER PROPAGATION DELAY
MAX1481/4/5/6-16
100
0.01
0 2.5 3.0 3.5 4.0 4.50.5 1.0 1.5 2.0 5.0
DRIVER OUTPUT CURRENT
vs. DIFFERENTIAL OUTPUT VOLTAGE
0.1
MAX1481/4/5/6-14
DIFFERENTIAL OUTPUT VOLTAGE (V)
OUTPUT CURRENT (mA)
1
10
V
A
- V
B
RO
(2V/div)
(5V/div)
50ns/div
MAX1484/MAX1486
RECEIVER PROPAGATION DELAY
MAX1481/4/5/6-15
DI
V
Y
- V
Z
(5V/div)
(2V/div)
1µs/div
MAX1481/MAX1485
DRIVER PROPAGATION DELAY
MAX1481/4/5/6-17
DI
V
Y
- V
Z
5V/div
2V/div
50ns/div
MAX1484/MAX1486
DRIVER PROPAGATION DELAY
MAX1481/4/5/6-18