MAX3223ECAP datasheet(4/19 Pages) MAXIM

Part #	MAX3223ECAP

Description	15,-15kV ESD-Protected, 1muA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers

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Manufacturer	MAXIM [Maxim Integrated Products]

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Typical Operating Characteristics

(VCC = +3.3V, 250kbps data rate, 0.1µF capacitors, all transmitters loaded with 3kΩ and CL, TA = +25°C, unless otherwise noted.)

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

0

1000

2000

3000

4000

5000

MAX3221E/MAX3223E

TRANSMITTER OUTPUT VOLTAGE

vs. LOAD CAPACITANCE

LOAD CAPACITANCE (pF)

VOUT+

T1 TRANSMITTING AT 250kbps

T2 (MAX3223E) TRANSMITTING AT 15.6kbps

VOUT-

0

2

4

6

8

10

12

14

16

0

1000

2000

3000

4000

5000

MAX3221E/MAX3223E

SLEW RATE vs. LOAD CAPACITANCE

LOAD CAPACITANCE (pF)

-SLEW

+SLEW

FOR DATA RATES UP TO 250kbps

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps,

RS-232 Transceivers with AutoShutdown

TIMING CHARACTERISTICS—MAX3221E/MAX3223E/MAX3243E

(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.)

Note 2: C1–C4 = 0.1µF, tested at 3.3V ±10%. C1 = 0.047µF, C2–C4 = 0.33µF, tested at 5.0V ±10%.

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

tPLH

RL = 3kΩ, CL = 1000pF,

one transmitter switching

tPHL

SYMBOL

⏐ tPHL - tPLH ⏐

Receiver Output Disable Time

ns

CONDITIONS

µs

0.15

Receiver Propagation Delay

CL = 150pF to

1000pF

kbps

UNITS

MIN

TYP

MAX

PARAMETER

(Note 3)

ns

50

Receiver Skew

ns

100

Transmitter Skew

VCC = 3.3V,

RL = 3kΩ to 7kΩ,

TA = +25

°C,

measured from +3V

to -3V or

-3V to +3V, one

transmitter switching

V/µs

Transition-Region Slew Rate

630

CL = 150pF

250

0.15

Maximum Data Rate

ns

Normal operation

Receiver Output Enable Time

200

Normal operation

200

4

Maxim Integrated

MAX3221E/MAX3223E/MAX3243E

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