MAX3232CSE(1999) 查看數據表（PDF） - Maxim Integrated

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MAX3232CSE
(Rev.:1999)

3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1µF External Capacitors

Maxim Integrated 

3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232

Transceivers Using Four 0.1µF External Capacitors

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

CONDITIONS

Input Hysteresis

Input Resistance

TRANSMITTER OUTPUTS

Output Voltage Swing

Output Resistance

Output Short-Circuit Current

TA = +25°C

All transmitter outputs loaded with 3kΩ to ground

VCC = V+ = V- = 0V, TOUT = ±2V

Output Leakage Current

VOUT = ±12V, VCC = 0V or 3V to 5.5V, transmitters

disabled

MOUSE DRIVEABILITY (MAX3241)

MIN TYP MAX

0.3

3

5

7

UNITS

V

kΩ

±5.0

300

±5.4

V

10M

Ω

±35 ±60

mA

±25

µA

T1IN = T2IN = GND, T3IN = VCC,

Transmitter Output Voltage T3OUT loaded with 3kΩ to GND,

±5.0

V

T1OUT and T2OUT loaded with 2.5mA each

TIMING CHARACTERISTICS—MAX3222/MAX3232/MAX3241

(VCC = +3.0V to +5.5V, C1–C4 = 0.1µF (Note 2), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

PARAMETER

Maximum Data Rate

Receiver Propagation Delay

Receiver Output Enable Time

CONDITIONS

RL = 3kΩ, CL = 1000pF, one transmitter switching

R_IN to R_OUT, CL = 150pF

tPHL

tPLH

Normal operation

MIN TYP MAX

120 235

0.3

0.3

200

UNITS

kbps

µs

ns

Receiver Output Disable Time

Transmitter Skew

Receiver Skew

Normal operation

| tPHL - tPLH |

| tPHL - tPLH |

Transition-Region Slew Rate

VCC = 3.3V, RL = 3Ω to 7kΩ,

+3V to -3V or -3V to +3V,

TA = +25°C

CL = 150pF to

1000pF

CL = 150pF to

2500pF

200

ns

300

ns

300

ns

6

30

V/µs

4

30

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