Typical operating characteristics – Rainbow Electronics MAX14770E User Manual
Page 9
High-ESD Profibus RS-485 Transceiver
MAX14770E
_______________________________________________________________________________________ 9
Typical Operating Characteristics
(V
CC
= +5V, T
A
= +25NC, unless otherwise noted.)
DIFFERENTIAL OUTPUT VOLTAGE V
OD
vs. TEMPERATURE
MAX14770E toc09
TEMPERATURE (°C)
DRIVER DIFFERENTIAL OUTPUT VOLTAGE (V)
110
95
-25 -10 5
35 50 65
20
80
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.0
-40
125
R
L
= 54
Ω
DIFFERENTIAL OUTPUT VOLTAGE V
OD
vs. OUTPUT CURRENT
MAX14770E toc08
OUTPUT CURRENT (mA)
DIFFERENTIAL OUTPUT VOLTAGE (V)
60
40
20
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0
80
DRIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX14770E toc07
TEMPERATURE (°C)
DRIVER PROPAGATION DELAY (ns)
110
95
80
65
50
35
20
5
-10
-25
5
10
15
20
25
0
-40
125
R
L
= 54
Ω, C
L
= 50pF
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE
MAX14770E toc06
TEMPERATURE (°C)
RECEIVER PROPAGATION DELAY (ns)
110
95
80
65
50
35
20
5
-10
-25
5
10
15
20
25
0
-40
125
RECEIVER OUTPUT RO CURRENT
vs. OUTPUT HIGH VOLTAGE
MAX14770E toc05
OUTPUT HIGH VOLTAGE (V)
OUTPUT CURRENT (mA)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
10
20
30
40
50
60
0
1.0
5.0
RECEIVER OUTPUT RO CURRENT
vs. OUTPUT LOW VOLTAGE
MAX14770E toc04
OUTPUT LOW VOLTAGE (V)
OUTPUT CURRENT (mA)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
10
20
30
40
50
60
0
0
4.0
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
MAX14770E toc03
TEMPERATURE (°C)
SHUTDOWN SUPPLY CURRENT (µA)
110
95
80
65
50
35
20
5
-10
-25
0.5
1.0
1.5
2.0
2.5
3.0
0
-40
125
SUPPLY CURRENT
vs. DATA RATE
MAX14770E toc02
DATA RATE (kbps)
SUPPLY CURRENT (mA)
15,000
10,000
5,000
5
10
15
20
25
30
35
40
45
50
55
60
0
0
20,000
PROFIBUS EQUIVALENT LOAD
NO LOAD
NO-LOAD DC SUPPLY CURRENT
vs. TEMPERATURE
MAX14770E toc01
TEMPERATURE (°C)
NO-LOAD SUPPLY CURRENT (mA)
110
95
80
65
50
35
20
5
-10
-25
0.5
1.0
1.5
2.0
2.5
0
-40
125
DE = V
CC
DE = GND