AD5255(Rev0) 查看數據表（PDF） - Analog Devices

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AD5255
(Rev.:Rev0)

3-Channel Digital Potentiometer with Nonvolatile Memory

Analog Devices 

AD5255

TYPICAL PERFORMANCE CHARACTERISTICS

1.0

TA = –40°C, 25°C, 85°C SUPERIMPOSED

0.8 VDD = 5V

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

64 128 192 256 320 384 448 512

CODE (DECIMAL)

Figure 4. INL—9-Bit RDAC

1.50

1.25

TA = –40°C, 25°C, 85°C SUPERIMPOSED

VDD = 5V

1.00

0.75

0.50

0.25

0

–0.25

–0.50

–0.75

–1.00

–1.25

–1.50

0

64 128 192 256 320 384 448 512

CODE (DECIMAL)

Figure 5. DNL—9-Bit RDAC

1.0

TA = –40°C, 25°C, 85°C SUPERIMPOSED

0.8 VDD = 5V

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

64 128 192 256 320 384 448 512

CODE (DECIMAL)

Figure 6. R-INL—9-Bit RDAC

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8 TA = –40°C, 25°C, 85°C SUPERIMPOSED

VDD = 5V

–1.0

0

64 128 192 256 320 384 448 512

CODE (DECIMAL)

Figure 7. R-DNL—9-Bit RDAC

0.5

TA = –40°C, 25°C, 85°C SUPERIMPOSED

0.4 VDD = 5V

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

0

16

32

48

64

80

96

CODE (DECIMAL)

Figure 8. INL—7-Bit RDAC

112 128

0.5

TA = –40°C, 25°C, 85°C SUPERIMPOSED

0.4 VDD = 5V

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

0

16

32

48

64

80

96

CODE (DECIMAL)

Figure 9. DNL—7-Bit RDAC

112 128

Rev. 0 | Page 8 of 20

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