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.

200

160

120

80

40

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

85C Rw

85C INL

85C DNL

DNL

INL

RW

125C Rw

125C INL

125C DNL

0.1

0.05

0

-0.05

-0.1

0

0 8 16 24 32 40 48 56

Wiper Setting (decimal)

-0.15

FIGURE 2-37:

50 kΩ Pot Mode – RW (Ω),

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

Ambient Temperature (VDD = 5.5V).

200

150

100

50

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

INL

85C Rw

85C INL

85C DNL

125C Rw

125C INL

125C DNL

0.15

0.1

0.05

RW

0

-0.05

DNL

0

-0.1

0 8 16 24 32 40 48 56

Wiper Setting (decimal)

FIGURE 2-39:

50 kΩ Rheo Mode – RW (Ω),

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

Ambient Temperature (VDD = 5.5V).

600

500

400

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

DNL

85C Rw

85C INL

85C DNL

125C Rw

125C INL

125C DNL

0.05

0.025

0

300

INL

200

-0.025

-0.05

100

0

0

RW

8 16 24 32 40 48 56

Wiper Setting (decimal)

-0.075

-0.1

FIGURE 2-38:

50 kΩ Pot Mode – RW (Ω),

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

Ambient Temperature (VDD = 2.7V).

600

500

400

300

200

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

85C Rw

85C INL

85C DNL

RW

INL

DNL

125C Rw 1.5

125C INL

125C DNL 1

0.5

0

-0.5

100

-1

0

-1.5

0 8 16 24 32 40 48 56

Wiper Setting (decimal)

FIGURE 2-40:

50 kΩ Rheo Mode – RW (Ω),

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

Ambient Temperature (VDD = 2.7V).

© 2006 Microchip Technology Inc.

DS21945E-page 21

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