MCP4441 datasheet(34/100 Pages) MICROCHIP

34 / 100 page

MCP444X/446X

DS22265A-page 34

Note:

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

FIGURE 2-59:

100 k

Ω – Worst Case R

from Average RBW (RBW0-RBW3) Error (%) vs.

Wiper Setting and Temperature

(VDD = 5.5V, IW = 45 µA).

FIGURE 2-60:

100 k

Ω – Worst Case R

from Average RBW (RBW0-RBW3) Error (%) vs.

Wiper Setting and Temperature

(VDD = 3.0V, IW = 24 µA).

FIGURE 2-61:

100 k

Ω – R

WB PPM/°C vs.

Wiper Setting. (RBW(code=n, 125°C)-RBW(code=n, -

40°C) )/RBW(code = 256, 25°C)/165°C * 1,000,000)

(VDD = 5.5V, IW = 45 µA).

FIGURE 2-62:

100 k

Ω – R

WB PPM/°C vs.

Wiper Setting. (RBW(code=n, 125°C)-RBW(code=n, -

40°C) )/RBW(code = 256, 25°C)/165°C * 1,000,000)

(VDD = 3.0V, IW = 24 µA).

-1.00%

0.00%

1.00%

2.00%

3.00%

4.00%

5.00%

6.00%

7.00%

8.00%

9.00%

10.00%

11.00%

12.00%

13.00%

14.00%

128

160

192

224

256

Wiper Code

-40C

+25C

+85C

+125C

-1.00%

0.00%

1.00%

2.00%

3.00%

4.00%

5.00%

6.00%

7.00%

128

160

192

224

256

Wiper Code

-40C

+25C

+85C

+125C

128 160 192 224 256

Wiper Code

CH0

CH1

CH2

CH3

128 160 192 224 256

Wiper Code

CH0

CH1

CH2

CH3

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