TRSF3221IPW datasheet(10/16 Pages) TI1

Part #	TRSF3221IPW

Description	3-V TO 5.5-V SINGLE-CHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER

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Manufacturer	TI1 [Texas Instruments]

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APPLICATION INFORMATION

CBYPASS = 0.1 µF

Auto-

Powerdown

VCC

C1

C2, C3, and C4

3.3 V

± 0.3 V

5 V

± 0.5 V

3 V to 5.5 V

0.1

µF

0.047

µF

0.1

µF

0.1

µF

0.33

µF

0.47

µF

VCC vs CAPACITOR VALUES

FORCEOFF

+

−

+

−

+

−

+

−

+

−

1

8

2

3

5

6

7

4

16

13

12

11

10

9

15

14

VCC

GND

C1+

V+

C2+

C1−

C2−

V−

DOUT

FORCEON

DIN

INVALID

ROUT

EN

RIN

C1

C2

C4

5 k

Ω

C3(1)

(1) C3 can be connected to VCC or GND.

NOTES: A. Resistor values shown are nominal.

TRSF3221

3-V TO 5.5-V SINGLE-CHANNEL RS-232 COMPATIBLE LINE DRIVER/RECEIVER

SLLS857 – AUGUST 2007

Figure 6. Typical Operating Circuit and Capacitor Values

10

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