MAX205 MAXIM [Maxim Integrated Products], MAX205 Datasheet - Page 10

• Manufacturer Part Number: MAX205
• Description: +5V-Powered, Multichannel RS-232 Drivers/Receivers
• Manufacturer: MAXIM [Maxim Integrated Products]

+5V-Powered, Multichannel RS-232
Drivers/Receivers
10
__________________________________________Typical Operating Characteristics
16
14
12
10
18
8
6
4
______________________________________________________________________________________
2
0
TRANSMITTER SLEW RATE
vs. LOAD CAPACITANCE
1
LOAD CAPACITANCE (nF)
EXTERNAL POWER SUPPLY
1µF CAPACITORS
2
3
40kb/s DATA RATE
8 TRANSMITTERS
LOADED WITH 3kΩ
4
V
CC
= 5V
5
MAX225/MAX244–MAX249
-10
10
-2
-4
-6
-8
8
6
4
2
0
0
V
EXTERNAL CHARGE PUMP
1µF CAPACITORS
8 TRANSMITTERS
DRIVING 5kΩ AND
2000pF AT 20kbits/sec
V+ AND V- LOADED
vs. LOAD CURRENT FOR V+ AND V-
V+ AND V- LOADED
CC
= 5V
5
10
OUTPUT VOLTAGE
LOAD CURRENT (mA)
15
20
EITHER V+ OR
V- LOADED
25
V- LOADED
V+ LOADED
30
35
7.5
9.0
8.5
8.0
7.0
6.5
6.0
5.5
5.0
TRANSMITTER OUTPUT VOLTAGE (V+, V-)
0
ALL CAPACITIORS 1µF
V
CC
vs. LOAD CAPACITANCE AT
DIFFERENT DATA RATES
1
= 5V WITH ALL TRANSMITTERS DRIVEN
LOAD CAPACITANCE (nF)
200kb/sec
2
3
LOADED WITH 5kΩ
100kb/sec
20kb/sec
60kb/sec
10kb/sec
40kb/sec
4
5