Datasheet MAX220-MAX249 (Maxim) - 7

MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers
Typical Operating Characteristics MAX223/MAX230–MAX241 TRANSMITTER OUTPUT VOLTAGE (VOH) TRANSMITTER OUTPUT vs. LOAD CAPACITANCE AT TRANSMITTER SLEW RATE VOLTAGE (V vs. LOAD CAPACITANCE OH) vs. VCC DIFFERENT DATA RATES
8.5 7.4 12.0 1 TRANSMITTER LOADED TA = +25°C 2 TRANSMITTERS 11.0 V MAX220-04 CC = +5V LOADED 7.2 MAX220-05 MAX220-06 LOADED, RL = 3kΩ 8.0 10.0 C1–C4 = 1μF 7.0 μs) 1 TRANSMITTER 9.0 2 TRANSMITTERS 6.8 LOADED (V) LOADED (V) 160kb/s 7.5 3 TRANS- 80kb/s 8.0 V OH MITTERS V OH 6.6 20kb/s LOADED 7.0 SLEW RATE (V/ T T A = +25°C 6.4 A = +25°C 3 TRANSMITTERS 7.0 C1–C4 = 1μF V 6.0 CC = +5V LOADED TRANSMITTER 3 TRANSMITTERS LOADED 6.2 5.0 4 TRANSMITTERS 4 TRANSMITTERS LOADS = RL = 3kΩ LOADED LOADED 3kΩ || 2500pF C1–C4 = 1μF 6.5 6.0 4.0 4.5 5.0 5.5 0 500 1000 1500 2000 2500 0 500 1000 1500 2000 2500 V LOAD CAPACITANCE (pF) CC (V) LOAD CAPACITANCE (pF)
TRANSMITTER OUTPUT VOLTAGE (VOL) TRANSMITTER OUTPUT vs. LOAD CAPACITANCE AT TRANSMITTER OUTPUT VOLTAGE (V+, V-) VOLTAGE (VOL) vs. VCC DIFFERENT DATA RATES vs. LOAD CURRENT
-6.0 -6.0 10 4 TRANS- TA = +25°C TA = +25°C MITTERS C1–C4 = 1μF -6.2 8 -6.5 MAX220-07 V MAX220-08 CC = +5V MAX220-09 LOADED TRANSMITTER 3 TRANSMITTERS LOADED 6 T LOADS = -6.4 A = +25°C RL = 3kΩ 4 VCC = +5V -7.0 3kΩ || 2500pF C1–C4 = 1μF C1–C4 = 1μF -6.6 2 V- LOADED, (V) (V) V+ AND V- V+ LOADED, -7.5 160kb/s -6.8 0 NO LOAD V OL EQUALLY V OL 80kb/s NO LOAD V+, V- (V) ON V+ 1 TRANS- 20kb/s LOADED ON V- -7.0 -2 -8.0 MITTER LOADED -4 -7.2 -6 -8.5 2 TRANS- 3 TRANS- MITTERS MITTERS -7.4 -8 LOADED LOADED ALL TRANSMITTERS UNLOADED -9.0 -7.6 -10 4.5 5.0 5.5 0 500 1000 1500 2000 2500 0 5 10 15 20 25 30 35 40 45 50 VCC (V) LOAD CAPACITANCE (pF) CURRENT (mA)
V+, V- WHEN EXITING SHUTDOWN (1
μ
F CAPACITORS)
MAX220-13 V+ O V- VSHDN* 500ms/div *SHUTDOWN POLARITY IS REVERSED FOR NON MAX241 PARTS www.maximintegrated.com Maxim Integrated | 7