Rainbow Electronics MAX14770E - Manual (Page 10)

High-ESD Profibus RS-485 Transceiver
MAX14770E
10 _____________________________________________________________________________________
Typical Operating Characteristics (continued)
(V CC = +5V, T A = +25NC, unless otherwise noted.)
DRIVER DISABLE TIME
FROM HIGH t DHZ
MAX14770E toc18
10ns/div
DE
2V/div
A
2V/div
DI = V CC , R L = 500 Ω, C
L = 50pF
DRIVER DISABLE TIME
FROM LOW t DLZ
MAX14770E toc17
10ns/div
DE
2V/div
B
2V/div
DI = V CC , R L = 500 Ω, C
L = 50pF
DRIVER ENABLE TO
OUTPUT LOW t DZL
MAX14770E toc16
10ns/div
DE
2V/div
B
2V/div
DI = V CC , R L = 500 Ω, C
L = 50pF
DRIVER ENABLE TO
OUTPUT HIGH t DZH
MAX14770E toc15
10ns/div
DE
2V/div
A
2V/div
DI = V CC , R L = 500 Ω, C
L = 50pF
DRIVER OUTPUT RISE AND FALL TIME
vs. TEMPERATURE
MAX14770E toc14
TEMPERATURE (°C)
TIME (ns)
110 95 -25 -10 5 35 50 65 20 80
2
4
6
8
10
12
14
16
0
-40 125
R L = 54 Ω, C
L = 50pF
FALL TIME
RISE TIME
DRIVER OUTPUT TRANSITION SKEW
vs. TEMPERATURE
MAX14770E toc13
TEMPERATURE (°C)
DRIVER OUTPUT TRANSITION SKEW (ns)
110 95 80 65 50 35 20 5 -10 -25
1
2
3
4
5
0
-40 125
R L = 54 Ω, C
L = 50pF
DRIVER DIFFERENTIAL SKEW t DSKEW
vs. TEMPERATURE
MAX14770E toc12
TEMPERATURE (°C)
DRIVER OUTPUT SKEW (ns)
110 95 80 65 50 35 20 5 -10 -25
1
2
3
4
5
0
-40 125
R L = 54 Ω, C
L = 50pF
DRIVER OUTPUT CURRENT
vs. OUTPUT HIGH VOLTAGE
MAX14770E toc11
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
3 1 -1 -3 -5
20
40
60
80
100
120
140
0
-7 5
DRIVER OUTPUT CURRENT
vs. OUTPUT LOW VOLTAGE
MAX14770E toc10
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
9 6 3
20
40
60
80
100
120
140
0
0 12