ICL3221CA View Datasheet(PDF) - Intersil

Part Name

Description

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ICL3221CA

One Microamp Supply-Current, +3V to +5.5V, 250kbps, RS-232 Transmitters/Receivers

Intersil 

ICL3221, ICL3222, ICL3223, ICL3232, ICL3241, ICL3243

Typical Performance Curves VCC = 3.3V, TA = 25°C (Continued)

45

ICL324X

40

250kbps

35

30

120kbps

25

20

20kbps

15

10

5

0

0

1000

2000

3000

4000

LOAD CAPACITANCE (pF)

5000

FIGURE 17. SUPPLY CURRENT vs LOAD CAPACITANCE

WHEN TRANSMITTING DATA

Die Characteristics

SUBSTRATE POTENTIAL (POWERED UP):

GND

TRANSISTOR COUNT:

ICL3221: 286

ICL3222: 338

ICL3223: 357

ICL3232: 296

ICL324X: 464

PROCESS:

Si Gate CMOS

3.5

3.0

ICL3221 - ICL3232

2.5

NO LOAD

ALL OUTPUTS STATIC

2.0

1.5

1.0

0.5

ICL324X

0

2.5

3.0

ICL324X

3.5

4.0

4.5

5.0

5.5

6.0

SUPPLY VOLTAGE (V)

FIGURE 18. SUPPLY CURRENT vs SUPPLY VOLTAGE

16

FN4805.21

March 1, 2006

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