MCP4162T-502I/SL View Datasheet(PDF) - Microchip Technology

Part Name

Description

Manufacturer

MCP4162T-502I/SL

7/8-Bit Single/Dual SPI Digital POT with Volatile Memory

Microchip Technology 

MCP413X/415X/423X/425X

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

120

100

80

60

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

DNL

85C Rw

85C INL

85C DNL

INL

125C Rw

125C INL

125C DNL

0.3

0.2

0.1

0

-0.1

40

-40°C

25°C

RW

-0.2

125°C 85°C

20

-0.3

0 32 64 96 128 160 192 224 256

Wiper Setting (decimal)

FIGURE 2-30:

50 kΩ Pot Mode – RW (Ω),

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

Ambient Temperature (VDD = 5.5V).

120

100

80

60

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

DNL

85C Rw

85C INL

85C DNL

INL

125C Rw

125C INL

125C DNL

0.3

0.2

0.1

0

-0.1

40 125°C 85°C 25°C -40°C

RW

-0.2

20

0

-0.3

32 64 96 128 160 192 224 256

Wiper Setting (decimal)

FIGURE 2-33:

50 kΩ Rheo Mode – RW (Ω),

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

Ambient Temperature (VDD = 5.5V).

300

260

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

85C Rw

85C INL

85C DNL

125C Rw

125C INL

125C DNL

0.3

0.2

220

DNL

INL

0.1

180

0

140

100

RW

-0.1

60

-40°C

-0.2

125°C 85°C 25°C

20

-0.3

0 32 64 96 128 160 192 224 256

Wiper Setting (decimal)

FIGURE 2-31:

50 kΩ Pot Mode – RW (Ω),

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

Ambient Temperature (VDD = 3.0V).

300

260

220

180

-40C Rw

-40C INL

-40C DNL

DNL

25C Rw

25C INL

25C DNL

INL

85C Rw

85C INL

85C DNL

140

100

RW

60

-40°C

125°C 85°C 25°C

20

125C Rw

125C INL

125C DNL

1

0.75

0.5

0.25

0

-0.25

-0.5

-0.75

-1

0 32 64 96 128 160 192 224 256

Wiper Setting (decimal)

FIGURE 2-34:

50 kΩ Rheo Mode – RW (Ω),

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

Ambient Temperature (VDD = 3.0V).

15000

14000

13000

12000

11000

10000

9000

8000

7000

6000

5000

4000

3000

2000

1000

0

0

-40C Rw

-40C INL

-40C DNL

25C Rw

25C INL

25C DNL

85C Rw

85C INL

85C DNL

0.5

125C Rw

125C INL 0.4

125C DNL 0.3

DNL

0.2

0.1

0

-0.1

-0.2

INL

-0.3

RW

-0.4

-0.5

64

128

192

256

Wiper Setting (decimal)

Note:

Refer to AN1080 for additional informa-

tion on the characteristics of the wiper

resistance (RW) with respect to device

voltage and wiper setting value.

FIGURE 2-32:

50 kΩ Pot Mode – RW (Ω),

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

Ambient Temperature (VDD = 1.8V).

15000

14000

13000

12000

11000

10000

9000

8000

7000

6000

5000

4000

3000

2000

1000

0

0

-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

RW

INL

78.5

73.5

68.5

63.5

58.5

53.5

48.5

43.5

38.5

33.5

28.5

23.5

18.5

13.5

8.5

3.5

-1.5

25 50 75 100 125 150 175 200 225 250

Wiper Setting (decimal)

Note:

Refer to AN1080 for additional informa-

tion on the characteristics of the wiper

resistance (RW) with respect to device

voltage and wiper setting value.

FIGURE 2-35:

50 kΩ Rheo Mode – RW (Ω),

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

Ambient Temperature (VDD = 1.8V).

DS22060B-page 22

© 2008 Microchip Technology Inc.

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