MAX14852 Datasheet, PDF (11/22 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
(V_DDA – V_GNDA = 3.3V, V_DDB – V_GNDB = 3.3V, V_GNDA = V_GNDB, and T_A = +25°C, unless otherwise noted.)
V_DDA SUPPLY CURRENT
vs. TEMPERATURE
8
toc01
7
6
5
4
3
2
1
NO LOAD
NO SWITCHING
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
V_DDB SUPPLY CURRENT
vs. TEMPERATURE
14
toc02
12
10
8
6
4
2
0
-45 -30 -15
NO LOAD
NO SWITCHING
0 15 30 45 60 75 90 105
TEMPERATURE (°C)
DIFFERENTIAL OUTPUT VOLTAGE
vs. TEMPERATURE
4.0
toc03
3.5
No load
3.0
2.5
2.0
120Ω LOAD
1.5
54Ω LOAD
1.0
0.5
0.0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
MAX14852 TRANSMITTER PROPAGATION
1000
DELAY vs. TEMPERATURE _toc04
900
800
700
600
t_PDHL
500
400
300
200
100
0
-45 -30 -15
t_PDLH
R_L = 54Ω
C_L = 50pF
0 15 30 45 60 75 90 105
TEMPERATURE (°C)
MAX14852 RECEIVER PROPAGATION
240
DELAY vs. TEMPERATURE _toc05
220
C_L = 15pF
200
180
t_RPHL
160
140
120
100
80
t_RPLH
60
40
20
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
MAX14852 DRIVER ENABLE/DISABLE
1000
DELAY vs. TEMPERATURE _toc06
900
800
700
600
500
t_DZL
t_DZH
400
300
200
t_DHZ
t_DLZ
100
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
MAX14852 DRIVER
PROPAGATION DELAY
toc07
V_OUTN
V_INSIDE
V_BACKUP
100ns/div
TXD
2V/div
0V
Y
1V/div
R_L = 54Ω
C_L = 50pF
Z
1V/div
MAX14852 RECEIVER
PROPAGATION DELAY
toc08
C_L = 15pF
RXD
2V/div
0V
B
1V/div
100ns/div
A
1V/div
MAX14854 TRANSMITTER PROPAGATION
65
DELAY vs. TEMPERATURE _toc09
60
55
t_PDHL
50
45
40
35
t_PDLH
30
25
20
15
10
R_L = 54Ω
5
C_L = 50pF
0
-45 -30 -15 0 15 30 45 60 75 90 105
TEMPERATURE (°C)
www.maximintegrated.com
Maxim Integrated │  11