MAX3389E データシートの表示（PDF） - Maxim Integrated

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MAX3389E

2.5V, ±15kV ESD-Protected RS-232 Transceivers for PDAs and Cell Phones

Maxim Integrated 

2.5V, ±15kV ESD-Protected RS-232

Transceivers for PDAs and Cell Phones

DC ELECTRICAL CHARACTERISTICS (continued)

(VCC = VL = +2.35V to +3.0V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = VL = +2.5V,

TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

Output Leakage Current

VT_OUT = ±12V, transmitters disabled,

VCC = 0 or +2.5V

±25

µA

HANDSHAKING I/O (LIN, LOUT)

Input Voltage Range

Input Threshold Low

Input Threshold High

Input Hysteresis

Input Resistance

Output Voltage Low

Output Leakage Current

SWITCH (SWIN, SWOUT)

LIN, VL = +2.5V, TA = +25°C

LIN, VL = +2.5V, TA = +25°C

TA = +25oC

LOUT, ISINK = 1.6mA

LOUT = VL, LIN = low or float

0

VCC

V

0.6

1.1

V

1.7

2

V

0.6

V

20

40

kΩ

0.4

V

±10

µA

Input Voltage Range

On-Resistance

Off-Leakage Current

SHDN = 0

0

VCC

V

62

100

Ω

±1

µA

Turn-On Time

0.18

µs

Turn-Off Time

0.7

µs

ESD PROTECTION

R_IN, T_OUT, LIN, SWIN

ESD Protection

Human Body Model

IEC 1000-4-2 Air-Gap Discharge method

IEC 1000-4-2 Contact Discharge method

±15

±15

kV

±8

TIMING CHARACTERISTICS

(VCC = VL = +2.35V to +3.0V, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = VL = +2.5V,

TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

RL = 3kΩ, CL = 1000pF,

one transmitter switching

250

Maximum Data Rate

tPHL - tPLH RL = 3kΩ, CL = 150pF,

one transmitter switching (Note 2)

460

kbps

Receiver Propagation Delay

tPHL

Receiver input to receiver output,

tPLH

CL = 150pF

Receiver Output Enable Time

Receiver Output Disable Time

Time to Exit Shutdown

VT_OUT > 3.7V

Transmitter Skew

tPHL - tPLH RL = 3kΩ, CL = 1000pF (Note 3)

Receiver Skew

Transition-Region Slew

Rate

tPHL - tPLH

VCC = +2.5V, TA = +25°C, CL = 150pF to

RL = 3kΩ to 7kΩ,

1000pF

6

measured from +3V

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

CL = 150pF to

one transmitter switching 2500pF

4

Note 2: Guaranteed by correlation.

Note 3: Transmitter skew is measured at the transmitter zero crosspoint.

0.15

µs

0.15

200

ns

200

ns

30

µs

100

ns

50

ns

30

V/µs

30

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