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.

0.5

0.4

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

-0.4

-0.5

0

Refer to Figure 2-27

TA = +85°C

TA = +25°C

TA = -40°C

32 64 96 128 160 192 224 256

Code (Decimal)

FIGURE 2-7:

Code.

Rheostat INL Error vs.

280

230

180

VDD = 5V

FCLK = 3 MHz

Code = FFh

130

80

VDD = 3V

30

-40 -25 -10 5 20 35 50 65 80 95 110 125

Temperature (°C)

FIGURE 2-10:

Temperature.

Active Supply Current vs.

3000

2500

2000

TA = -40°C to +85°C,

VA = no connect,

RWB measured

1500

1000

500

0

0 32 64 96 128 160 192 224 256

Code (Decimal)

FIGURE 2-8:

Code.

Rheostat Mode Tempco vs.

1000

900

800

700

A - VDD = 5.5V, Code = AAh

B - VDD = 3.3V, Code = AAh

C - VDD = 5.5V, Code = FFh

D - VDD = 3.3V, Code = FFh

600

500

400

A

300

200

100

0

1k

10k

100k

1M

Clock Frequency (Hz)

B

C

D

10M

FIGURE 2-11:

Active Supply Current vs.

Clock Frequency.

1000

100

10

1

-40 -25 -10 5 20 35 50 65 80 95 11 12

05

Temperature (°C)

FIGURE 2-9:

Temperature.

Static Current vs.

1

0

-1

-2

-3

-4

-5

-6

-7

0

VDD = 5.5V

2

4

6

RS & SHDN Pin Voltage (V)

FIGURE 2-12:

Reset & Shutdown Pins

Current vs. Voltage.

DS11195C-page 8

 2003 Microchip Technology Inc.

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