MAX3381EEUP datasheet(4/14 Pages) MAXIM

Part #	MAX3381EEUP

Description	2.35V to 5.5V, 1關A, 2Tx/2Rx RS-232 Transceivers with 짹15kV ESD-Protected I/O and Logic Pins

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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4 / 14 page

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TRANSMITTER OUTPUT VOLTAGE

vs. LOAD CAPACITANCE

LOAD CAPACITANCE (pF)

VOUT+

VOUT-

VCC = +4.2V

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-2

-4

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0

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1500

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TRANSMITTER OUTPUT VOLTAGE

vs. LOAD CAPACITANCE

LOAD CAPACITANCE (pF)

VOUT+

VOUT-

VCC = +2.5V

0

5

10

15

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1000

500

1500

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2500

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MAX3380E

SLEW RATE vs. LOAD CAPACITANCE

LOAD CAPACITANCE (pF)

VCC = +4.2V

VCC = +2.5V

Typical Operating Characteristics

(VCC = VL = +4.2V, C1 = 0.22µF, C2 = C3 = C4 = 1µF, C5 = 0.1µF parallel with 47µF, RL = 3k

Ω, CL = 1000pF, data rate is 250kbps,

TA = +25°C, unless otherwise noted.)

+2.35V to +5.5V, 1µA, 2Tx/2Rx RS-232 Transceivers

with ±15kV ESD-Protected I/O and Logic Pins

4

_______________________________________________________________________________________

TIMING CHARACTERISTICS

(VCC = +2.35V to +5.5V, VL = +1.65V to +5.5V. When VCC < +4.5V, C1 = C2 = C3 = C4 = 0.1µF; when VCC

≥ +4.5V, C1 = 0.047µF,

C2 = C3 = C4 = 0.33µF; TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = VL = +3.3V, TA = +25°C.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX3381E

250

Maximum Data Rate

RL = 3k

Ω, CL = 1000pF, one

transmitter switching

MAX3380E

460

kbps

tPLH

0.15

Receiver Propagation Delay

tPHL

Receiver input to receiver output, CL = 100pF

0.15

µs

Transmitter Skew

tPHL- tPLH (Note 2)

200

ns

Receiver Skew

tPHL- tPLH

50

ns

Transition Region Slew Rate

(MAX3380E)

VCC = +4.2V, -3.0V < T_OUT< +3.0V,

RL = 3k

Ω, CL = 250pF to 1000pF, TA = +25°C

20

100

V/µs

Transition Region Slew Rate

(MAX3381E)

VCC = +4.2V, -3.0V < T_OUT< +3.0V,

RL = 3k

Ω, CL = 150pF to 1000pF, TA = +25°C

6

30

V/µs

Transition Region Slew Rate

(MAX3380E)

VCC = +2.35V, -3.0V < T_OUT< +3.0V,

RL = 3k

Ω, CL = 250pF to 1000pF, TA = +25°C

30

V/µs

Transition Region Slew Rate

(MAX3381E)

VCC = +2.35V, -3.0V < T_OUT< +3.0V,

RL = 3k

Ω, CL = 250pF to 1000pF, TA = +25°C

10

V/µs

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

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