AD5243(RevC) 查看數據表（PDF） - Analog Devices

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AD5243
(Rev.:RevC)

Dual, 256-Position, I2C-Compatible Digital Potentiometers

Analog Devices 

AD5243/AD5248

TYPICAL PERFORMANCE CHARACTERISTICS

2.0

TA = 25°C

1.5

RAB = 10kΩ

1.0

VDD = 2.7V

0.5

0

–0.5

VDD = 5.5V

–1.0

–1.5

–2.0

0

32

64

96 128 160 192 224 256

CODE (DECIMAL)

Figure 6. R-INL vs. Code vs. Supply Voltages

0.5

0.4

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

0

TA = 25°C

RAB = 10kΩ

VDD = 2.7V

VDD = 5.5V

32

64

96 128 160 192 224 256

CODE (DECIMAL)

Figure 7. R-DNL vs. Code vs. Supply Voltages

0.5

0.4

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

0

RAB = 10kΩ

VDD = 5.5V

TA = –40°C, +25°C, +85°C, +125°C

VDD = 2.7V

TA = –40°C, +25°C, +85°C, +125°C

32

64

96 128 160 192 224 256

CODE (DECIMAL)

Figure 8. INL vs. Code vs. Temperature

Data Sheet

0.5

0.4

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

0

RAB = 10kΩ

VDD = 2.7V; TA = –40°C, +25°C, +85°C, +125°C

32

64

96 128 160 192 224 256

CODE (DECIMAL)

Figure 9. DNL vs. Code vs. Temperature

1.0

0.8

0.6

0.4

0.2

0

–0.2

–0.4

–0.6

–0.8

–1.0

0

TA = 25°C

RAB = 10kΩ

VDD = 5.5V

VDD = 2.7V

32

64

96 128 160 192 224 256

CODE (DECIMAL)

Figure 10. INL vs. Code vs. Supply Voltages

0.5

0.4

0.3

0.2

0.1

0

–0.1

–0.2

–0.3

–0.4

–0.5

0

TA = 25°C

RAB = 10kΩ

VDD = 2.7V

VDD = 5.5V

32

64

96 128 160 192 224 256

CODE (DECIMAL)

Figure 11. DNL vs. Code vs. Supply Voltages

Rev. C | Page 8 of 20

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