MCP4021 데이터 시트보기 (PDF) - Microchip Technology

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MCP4021

Low-Cost NV Digital POT with WiperLock™ Technology

Microchip Technology 

MCP4021/2/3/4

Note: Unless otherwise indicated, TA = +25°C, VDD = 5V, VSS = 0V.

140

120

100

-40C Rw

-40C INL

-40C DNL

INL

25C Rw

25C INL

25C DNL

85C Rw

85C INL

85C DNL

125C Rw

125C INL

125C DNL

0.075

0.05

0.025

80

DNL

60

0

-0.025

40

-0.05

20

RW

-0.075

0

-0.1

0 8 16 24 32 40 48 56

Wiper Setting (decimal)

FIGURE 2-6:

2.1 kΩ Pot Mode – RW (Ω),

INL (LSb), DNL (LSb) vs. Wiper Setting and

Ambient Temperature (VDD = 5.5V).

120

100

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

85C Rw

85C INL

85C DNL

125C Rw

125C INL

125C DNL

0.8

0.6

80

0.4

INL

60

0.2

40

0

DNL

20

RW

-0.2

0

-0.4

0 8 16 24 32 40 48 56

Wiper Setting (decimal)

FIGURE 2-8:

2.1 kΩ Rheo Mode – RW

(Ω), INL (LSb), DNL (LSb) vs. Wiper Setting and

Ambient Temperature (VDD = 5.5V).

400

300

200

100

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

85C Rw

85C INL

85C DNL

INL

DNL

RW

125C Rw

125C INL

125C DNL

0.1

0.05

0

-0.05

0

-0.1

0 8 16 24 32 40 48 56

Wiper Setting (decimal)

FIGURE 2-7:

2.1 kΩ Pot Mode – RW (Ω),

INL (LSb), DNL (LSb) vs. Wiper Setting and

Ambient Temperature (VDD = 2.7V).

500

400

300

200

-40C Rw

25C Rw

85C Rw

125C Rw

10

-40C INL

25C INL

85C INL

125C INL

-40C DNL 25C DNL

85C DNL 125C DNL

8

INL

6

4

2

100

0

RW

DNL

0

-2

0 8 16 24 32 40 48 56

Wiper Setting (decimal)

FIGURE 2-9:

2.1 kΩ Rheo Mode – RW

(Ω), INL (LSb), DNL (LSb) vs. Wiper Setting and

Ambient Temperature (VDD = 2.7V).

DS21945E-page 12

© 2006 Microchip Technology Inc.

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