MAX14852 Datasheet, PDF (12/22 Pages) Maxim Integrated Products – 2.75kVRMS Isolated 500kbps/25Mbps Full-Duplex

MAX14852/MAX14854
2.75kV_RMS Isolated 500kbps/25Mbps Full-Duplex
RS-485/RS-422 Transceivers
with ±35kV ESD Protection
Typical Operating Characteristics (continued)
(V_DDA – V_GNDA = 3.3V, V_DDB – V_GNDB = 3.3V, V_GNDA = V_GNDB, and T_A = +25°C, unless otherwise noted.)
MAX14854 RECEIVER PROPAGATION
65
DELAY vs. TEMPERATURE _toc10
60
55
50
t_RPHL
45
40
35
30
t_RPLH
25
20
15
10
5
C_L = 15pF
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
MAX14854 RECEIVER
PROPAGATION DELAY
V_OUTN
V_INSIDE
V_BACKUP
toc13
A
1V/div
B
1V/div
RXD
2V/div
0V
10ns/div
C_L = 15pF
MAX14854 DRIVER ENABLE/DISABLE
80
DELAY vs. TEMPERATURE _toc11
70
60
t_DHZ
t_DZH
50
40
30
t_DLZ
t_DZL
20
10
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
RECEIVER ENABLE/DISABLE
20
DELAY vs. TEMPERATURE _toc14
18
16
14
12
10
t_RZH
t_RHZ
t_RZL
t_RLZ
8
6
4
2
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
V_DDB SUPPLY
70
CURRENT vs. DATA RATE _toc16
60
54Ω LOAD
50
40
30
120Ω LOAD
20
10
NO LOAD
0
0
5
10
15
20
25
DATA RATE (Mbps)
www.maximintegrated.com
MAX14854 DRIVER
PROPAGATION DELAY
R_L = 54Ω
C_L = 50pF
V_OUTN
V_INSIDE
V_BACKUP
toc12
TXD
2V/div
0V
Y
1V/div
10ns/div
Z
1V/div
V_DDA SUPPLY CURRENT
8
vs. DATA RATE
toc15
7
6
5
4
3
2
1
0
0
5
10
15
20
25
DATA RATE (Mbps)
Maxim Integrated │  12