MCP41100-IP 查看數據表（PDF） - Microchip Technology

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MCP41100-IP

Single/Dual Digital Potentiometer with SPI™ Interface

Microchip Technology 

MCP41XXX/42XXX

Note: Unless otherwise indicated, curve represents 10 kΩ, 50 kΩ and 100 kΩ devices, VDD = 5V, VSS = 0V, TA = +25°C,

VB = 0V.

180

MCP41010,MCP42010

160 Code = 00h,

140 Sample Size = 400

120

100

80

60

40

20

0

47 48 49 50 51 52 53 54 55 56 57 58 59

Wiper Resistance (Ω)

FIGURE 2-13:

10 kΩ Device Wiper

Resistance Histogram.

VOUT

FFh

00h

CS

CL = 27 pF

FIGURE 2-16:

Full-Scale Settling Time.

140

MCP41050, MCP41100,

120

MCP42050, MCP42100

Code = 00h,

100

Sample Size = 796

80

60

40

20

0

115 117 119 121 123 125 127 129 131 133

Wiper Resistance (Ω)

FIGURE 2-14:

50 kΩ, 100 kΩ Device Wiper

Resistance Histogram.

VOUT Code = 7Fh

CL = 17 pF

Code = 80h

CS

FIGURE 2-15:

One Position Settling Time.

VOUT

CL = 27 pF

Code = 80h

CS

FIGURE 2-17:

Time.

Digital Feed through vs.

6

Code = FFh

0

Code = 80h

-6

Code = 40h

-12

Code = 20h

-18

Code = 10h

-24

Code = 08h

-30

Code = 04h

-36

Code = 02h

-42

Code = 01h

-48

CL = 30pF, Refer to Figure 2-29

-54 MCP41010, MCP42010 (10kΩ potentiometers)

-60

100

1k

10k

100k

1M

Frequency (Hz)

10M

FIGURE 2-18:

Gain vs. Frequency for

10 kΩ Potentiometer.

 2003 Microchip Technology Inc.

DS11195C-page 9

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