MAX221ECAE datasheet(2/12 Pages) MAXIM

2 / 12 page

±15kV ESD-Protected, +5V, 1µA, Single RS-232

Transceiver with AutoShutdown

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

(VCC = +5V ±10%, C1–C4 = 0.1µF, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)

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.

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

V+ ...............................................................(VCC - 0.3V) to +14V

V- ...........................................................................-14V to +0.3V

Input Voltages

TIN ............................................................-0.3V to (V+ + 0.3V)

RIN ...................................................................................±30V

FORCEON, FORCEOFF, EN ..................-0.3V to (VCC + 0.3V)

Output Voltages

TOUT ................................................(V- - 0.3V) to (V+ + 0.3V)

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

Short-Circuit Duration, TOUT .....................................Continuous

Continuous Power Dissipation (TA = +70°C)

16-Pin TSSOP (derated 6.7mW/°C above +70°C) .......533mW

16-Pin SSOP (derated 7.1mW/°C above +70°C) .........571mW

Operating Temperature Range

MAX221EC_ _. ....................................................0°C to +70°C

MAX221EE_ _ ..................................................-40°C to +85°C

Maximum Junction Temperature .................................... +150°C

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

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

Figure 3

No load, TA = +25°C

Figure 3

ISOURCE = 1.0mA

ISINK = 1.6mA

CONDITIONS

ICC = 1µA, Figure 3

ROUT; ISINK = 3.2mA

Figure 3

TIN, EN, FORCEOFF, FORCEON

TA = +25°C, Figure 1

EN = VCC, 0 ≤ ROUT ≤ VCC

TIN = 0 to VCC

ROUT; ISOURCE = 1.0mA

µs

tINVL

Receiver Positive or Negative

Threshold to INVALID Low

µs

tINVH

Receiver Positive or Negative

Threshold to INVALID High

µs

250

tWU

Receiver Threshold to

Transmitter Enabled

VCC - 0.6

INVALID Output Voltage High

0.4

INVALID Output Voltage Low

-0.3

0.3

Receiver Input Threshold,

Transmitter Disabled

-2.7

Positive threshold

2.7

Receiver Input Threshold,

Transmitter Enabled

µA

±0.05

±10

Negative threshold

Output Leakage Current

3.5

VOH

Output Voltage High

510

ICC

VCC Supply Current

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

0.4

VOL

Output Voltage Low

0.8

VIL

Input Threshold Low

µA

110

ISHDN

Shutdown Supply Current

µA

110

IAS

AutoShutdown Supply Current

µA

±1

Input Leakage Current

EN, FORCEOFF, TIN

2.4

VIH

Input Threshold High

DC CHARACTERISTICS

LOGIC INPUTS

AUTOSHUTDOWN

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