MAX3384ECWN datasheet(3/11 Pages) MAXIM

3 / 11 page

±15kV ESD-Protected, 3.0V to 5.5V, Low-Power,

up to 250kbps, True RS-232 Transceiver

_______________________________________________________________________________________

Note 2: Transmitter skew is measured at the transmitter zero cross points.

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +3V to +5.5V, for tests at 3.3V ±10%, C1–C4 = 0.1µF; for tests at +5V ±10%, C1 = 0.047µF, C2–C4 = 0.33µF;

TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

Receiver input to receiver output,

CL = 150pF

RL = 3k

Ω, CL = 1000pF,

one transmitter switching

VCC = +3.3V,

TA = +25°C,

RL = 3k

Ω to 7kΩ,

measured from +3V

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

VOUT

≥ +3.7V, RLOAD at V+ = 3kΩ

(Note 2)

CONDITIONS

µs

0.15

tPLH

Receiver Propagation Delay

0.15

tPHL

kbps

250

Maximum Data Rate

630

µs

250

Time to Exit Shutdown

100

tPHL - tPLH|

Transmitter Skew

tPHL - tPLH|

Receiver Skew

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

VCC = 0, transmitter output = ±2V

All transmitter outputs loaded with 3k

Ω to ground

IEC1000-4-2 Contact Discharge

IEC1000-4-2 Air Discharge

Human Body Model

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

CONDITIONS

Ω

300

10M

Output Resistance

±5

±5.4

Output Voltage Swing

±8

R_IN, T_OUT

±15

±60

Output Short-Circuit Current

µA

±25

Output Leakage Current

UNITS

MIN

TYP

MAX

PARAMETER

TIMING CHARACTERISTICS

(VCC = +3V to +5.5V, for tests at 3.3V ±10%, C1–C4 = 0.1µF; for tests at +5V ±10%, C1 = 0.047µF, C2–C4 = 0.33µF; TA = TMIN to

TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

CL = 150pF to

1000pF

CL = 150pF to

2500pF

V/µs

430

Transition-Region Slew Rate

TRANSMITTER OUTPUTS

ESD PROTECTION

SHDN from VCC to GND

200

Receiver Output Disable Time

SHDN from GND to VCC

200

Receiver Output Enable Time

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