MAX244EQH-D中文资料(7)

+5V-Powered, Multichannel RS-232

Drivers/Receivers

__________________________________________Typical Operating Characteristics

MAX223/MAX230–MAX241

TRANSMITTER OUTPUT VOLTAGE (VOH)

TRANSMITTER OUTPUTvs. LOAD CAPACITANCE ATTRANSMITTER SLEW RATEVOLTAGE (VOH) vs. VCC

DIFFERENT DATA RATES

vs. LOAD CAPACITANCE

8.5

7.412.0

7.211.08.0

7.0

10.0

)

sμ/V9.0)

(V E()

V(6.8 THO7.5

HOAVVR8.0 W6.6ELS7.07.0

6.46.06.25.06.5

6.0

4.0

4.5

5.05.5

500

1000

1500

2000

2500

500

1000

1500

2000

2500

VCC (V)

LOAD CAPACITANCE (pF)

LOAD CAPACITANCE (pF)

TRANSMITTER OUTPUT VOLTAGE (VOL)

TRANSMITTER OUTPUT

vs. LOAD CAPACITANCE ATTRANSMITTER OUTPUT VOLTAGE (V+, V-)

VOLTAGE (VOL) vs. VCC

DIFFERENT DATA RATES

vs. LOAD CURRENT

-6.0-6.0

108-6.5-6.2-6.46-7.0-6.64)

)

)

V2VV((( LL -VO-7.5O-6.8VV ,0+-7.0V-2-8.0

-4-7.2

-8.5-6-7.4-8-9.0

-7.6

-10

4.55.05.5

500

1000

1500

2000

2500

5

101520253035404550

VCC (V)

LOAD CAPACITANCE (pF)

CURRENT (mA)

V+, V- WHEN EXITING SHUTDOWN

(1μF CAPACITORS)

MAX220-13

V+

OV-

SHDN*

500ms/div

*SHUTDOWN POLARITY IS REVERSED _______________________________________________________________________________________FOR NON MAX241 PARTS

7

MAX220–MAX249