MAX3221

3V TO 5.5V SINGLECHANNEL RS232 LINE DRIVER/RECEIVER

WITH ±15kV ESD PROTECTION

SLLS348M − JUNE 1999 − REVISED MARCH 2004

3

POST OFFICE BOX 655303

logic diagram (positive logic)

DIN

DOUT

Auto-powerdown

INVALID

RIN

FORCEOFF

FORCEON

ROUT

EN

11

16

9

13

10

8

1

12

−0.3 V to 6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Positive output supply voltage range, V+ (see Note 1)

−0.3 V to 7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Negative output supply voltage range, V− (see Note 1)

0.3 V to −7 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply voltage difference, V+ − V− (see Note 1)

13 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−0.3 V to 6 V

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Receiver

−25 V to 25 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−13.2 V to 13.2 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Receiver (INVALID)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Package thermal impedance,

82

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . . . .

PW package

108

°C/W

. . . . . . . . . . . . . . . . . . . . . . . . .

150

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−65

°C to 150°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 under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTES:

1. All voltages are with respect to network GND.

2. Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable

ambient temperature is PD = (TJ(max) − TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.

3. The package thermal impedance is calculated in accordance with JESD 51-7.

recommended operating conditions (see Note 4 and Figure 6)

MIN

NOM

MAX

UNIT

Supply voltage

VCC = 3.3 V

3

3.3

3.6

V

Supply voltage

VCC = 5 V

4.5

5

5.5

V

VIH Driver and control high-level input voltage

DIN, FORCEOFF, FORCEON, EN

VCC = 3.3 V

2

V

VIH Driver and control high-level input voltage

DIN, FORCEOFF, FORCEON, EN

VCC = 5 V

2.4

V

VIL Driver and control low-level input voltage

DIN, FORCEOFF, FORCEON, EN

0.8

V

VI

Driver and control input voltage

DIN, FORCEOFF, FORCEON

0

5.5

V

VI

Receiver input voltage

−25

25

V

TA

Operating free-air temperature

MAX3221C

0

70

°C

TA

Operating free-air temperature

MAX3221I

−40

85

°C

NOTE 4: Test conditions are C1−C4 = 0.1

µF at VCC = 3.3 V ± 0.3 V; C1 = 0.047 µF, C2−C4 = 0.33 µF at VCC = 5 V ± 0.5 V.