MAX3248EEAI datasheet(2/14 Pages) MAXIM

Part #	MAX3248EEAI

Description	3.0V to 5.5V, 10nA, 250kbps RS-232 Transceivers with 짹15kV ESD-Protected I/O and Logic Pins

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Manufacturer	MAXIM [Maxim Integrated Products]

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Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

+3.0V to +5.5V, 10nA, 250kbps RS-232 Transceivers

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

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = +3.0V to +5.5V, C1–C4 = 0.1µF (tested at 3.3V ±5%), C1–C4 = 0.22µF (tested at 3.3V ±10%), C1 = 0.047µF, and

C2–C4 = 0.33µF (tested at 5.0V ±10%), TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

VCC ...........................................................................-0.3V to +6V

V+ (Note 1) ...............................................................-0.3V to +7V

V- (Note 1) ................................................................+0.3V to -7V

V+ + |V-| (Note 1) .................................................................+13V

Input Voltages

T_IN, FORCEOFF, FORCEON ..............................-0.3V to +6V

R_IN .................................................................................±25V

Output Voltages

T_OUT...........................................................................±13.2V

R_OUT, INVALID ....................................-0.3V to (VCC + 0.3V)

Short-Circuit Duration

T_OUT (one at a time) ............................................Continuous

Continuous Power Dissipation (TA = +70°C)

28-Pin SSOP (derate 9.52mW/°C above +70°C) .........762mW

Operating Temperature Ranges

MAX3238ECAI/MAX3248ECAI ...........................0°C to +70°C

MAX3238EEAI/MAX3248EEAI .........................-40°C to +85°C

Storage Temperature Range ............................-65°C to +150°C

Lead Temperature (soldering, 10s) ................................+300°C

Note 1: V+ and V- can have a maximum magnitude of +7V, but their absolute difference can not exceed +13V.

1.10

1.2

1.15

1.6

0.95

1.2

MAX3248E

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 5.0V

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 3.3V

T_IN (active)

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 5.0V

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 3.3V

T_IN (active)

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 5.0V

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 3.3V

T_IN (active)

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 5.0V

FORCEON, FORCEOFF, and T_IN

wake-up threshold; VCC = 3.3V

T_IN (active)

PARAMETER

MIN

TYP

MAX

UNITS

Input Logic Threshold Low

0.8

1.20

V

Supply Current, AutoShutdown Plus

Disabled

0.5

2.0

mA

Supply Current, AutoShutdown Plus

Input Logic Threshold High

1.60

2.0

0.75

6

µA

V

10

300

2.10

2.4

1.30

2.0

MAX3238E

0.6

0.7

0.8

1.45

0.6

1.0

0.6

0.85

0.8

1.00

MAX3248E

Supply Current, Shutdown

10

300

nA

CONDITIONS

FORCEOFF = GND, R_IN = GND, T_IN = VCC or GND

MAX3238E

FORCEON = FORCEOFF = VCC, no load

Receivers idle, T_IN = VCC or GND, FORCEON =

GND, FORCEOFF = VCC

R_IN = FORCEON = GND, FORCEOFF = VCC,

T_IN = VCC or GND

nA

DC CHARACTERISTICS (VCC = +3.3V or +5.0V, TA = +25°C)

LOGIC INPUTS AND RECEIVER OUTPUTS

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