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MAX3243EETJ

±15kV ESD-Protected, 1µA, 3.0V to 5.5V, 250kbps, RS-232 Transceivers with AutoShutdown

Maxim Integrated 

MAX3221E/MAX3223E/MAX3243E

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

RS-232 Transceivers with AutoShutdown

Table 4. ±15kV ESD-Protected, 3.0V to 5.5V Powered RS-232 Transceivers from Maxim

PART

SUPPLY

VOLTAGE

RANGE

(V)

NO. SUPPLY Auto-

OF CURRENT Shutdown

Tx/Rx (µA)

Plus

Auto-

Shutdown

HUMAN

BODY

MODEL

(kV)

IEC 1000-4-2

CONTACT

DISCHARGE

(kV)

IEC 1000-4-2

AIR-GAP

DISCHARGE

(kV)

GUARANTEED

DATA RATE

(kbps)

MAX3241E +3.0 to +5.5 3/5

300

—

—

±15

±8

MAX3243E +3.0 to +5.5 3/5

1

—

Yes

±15

±8

MAX3244E +3.0 to +5.5 3/5

1

Yes

—

±15

±8

MAX3245E +3.0 to +5.5 3/5

1

Yes

—

±15

±8

MAX3232E +3.0 to +5.5 2/2

300

—

—

±15

±8

MAX3222E +3.0 to +5.5 2/2

300

—

—

±15

±8

MAX3223E +3.0 to +5.5 2/2

1

—

Yes

±15

±8

MAX3224E +3.0 to +5.5 2/2

1

Yes

—

±15

±8

MAX3225E +3.0 to +5.5 2/2

1

Yes

—

±15

±8

MAX3221E +3.0 to +5.5 1/1

1

—

Yes

±15

±8

MAX3226E +3.0 to +5.5 1/1

1

Yes

—

±15

±8

MAX3227E +3.0 to +5.5 1/1

1

Yes

—

±15

±8

±15

250

±15

250

±15

250

±15

1Mbps

±15

250

±15

250

±15

250

±15

250

±15

1Mbps

±15

250

±15

250

±15

1Mbps

VCC

0.1µF

C1+

VCC

V+

C1

C1-

MAX3221E

C2+

MAX3223E

V-

C2

MAX3243E

C2-

T_ IN

T_ OUT

R_ OUT

R_ IN

0

EN (MAX3221E/3E)

5kΩ

VCC

FORCEOFF

GND

Figure 9. Loopback Test Circuit

C3

C4

1000pF

T1IN

T1OUT

R1OUT

VCC = 3.3V

2µs/div

Figure 10. Loopback Test Result at 120kbps

5V/div

5V/div

5V/div

Maxim Integrated

13

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