MAX3187 Maxim, MAX3187 Datasheet - Page 4

• Manufacturer Part Number: MAX3187
• Description: 15kV ESD-Protected / EMC-Compliant / 230kbps / Dual RS-232 Serial Port for Motherboards/Desktops
• Manufacturer: Maxim

±15kV ESD-Protected, EMC-Compliant, 230kbps,
Dual RS-232 Serial Port for Motherboards/Desktops
(V
4
__________________________________________Typical Operating Characteristics
CC
-10.0
-12.5
-10
-20
-30
-40
12.5
10.0
-2.5
-5.0
-7.5
40
30
20
10
7.5
5.0
2.5
_______________________________________________________________________________________
0
0
= +5V, V
10.8
0
2 TRANSMITTER, 240kbps
4 TRANSMITTERS, 15kbps
3k + C
I
I
I
I
I
I
I
SS,
SS,
DD
DD
CC
SS,
DD
TRANSMITTER OUTPUT VOLTAGE
, 120kbps
, 20kbps
, 240kbps
20kbps
120kbps
240kbps
1000
vs. LOAD CAPACITANCE
DD
11.4
LOAD
vs. SUPPLY VOLTAGE
LOAD CAPACITANCE (pF)
SUPPLY VOLTAGE (±V)
SUPPLY CURRENT
= +12V, V
V
2 TRANSMITTERS AT DATA RATE
4 TRANSMITTERS AT DATA RATE/16
3k + C
CC
2000
= 5V
12.0
LOAD
3000
SS
120kbps
240kbps
240kbps
= -12V, T
12.6
4000
120kbps
5000
13.2
A
= +25°C, unless otherwise noted.)
-10
-20
-30
-40
40
30
20
10
-10
-15
0
15
10
-5
0
5
0
0
TRANSMITTER OUTPUT VOLTAGE vs.
I
SS
LOAD CURRENT PER TRANSMITTER
I
CC
I
DD
LOAD CURRENT PER TRANSMITTER (mA)
, 20kbps
V
2
CC
, 240kbps
I
DD
1000
vs. LOAD CAPACITANCE
4
, 20kbps
T1
T2
T3
I
SS
LOAD CAPACITANCE (pF)
I
I
SUPPLY CURRENT
DD
SS
, 240kbps
2 TRANSMITTERS AT DATA RATE
4 TRANSMITTERS AT DATA RATE/16
3k + C
, 120kbps
6
, 120kbps
2000
V
V
OUT+
8
OUT-
LOAD
10
3000
12
V
V
OUT+
14
4000
OUT-
16
5000
18
16
14
12
10
8
6
4
2
0
25
20
15
10
5
0
-55
0
2 TRANSMITTERS AT DATA RATE
4 TRANSMITTERS AT DATA RATE/16
3k + C
RISE, 2000pF
-35 -15
1000
RISE
vs. LOAD CAPACITANCE
LOAD
LOAD CAPACITANCE (pF)
vs. TEMPERATURE
TEMPERATURE (°C)
5
SLEW RATE
SLEW RATE
2000
FALL, 500pF
FALL, 2000pF
25
45
3000
FALL
RISE, 500pF
65
4000
85 105 125
5000