AS1539 查看數據表（PDF） - austriamicrosystems AG

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AS1539

8/4-Channel, 10-Bit I²C Analog-to-Digital Converter

austriamicrosystems AG 

AS1539/AS1541

Data Sheet - Typical Operating Characteristics

7 Typical Operating Characteristics

VDD = 3.6V; VREF = 2.5V (internal), fSCL = 3.4MHz, CREF = 4.7µF, TAMB = +25ºC (unless otherwise specified).

Figure 4. DNL vs. Digital Output Code, Int. Reference Figure 5. INL vs. Digital Output Code, Int. Reference

0,25

0,2

0,15

fSAMPLE = 50ksps

0,375

0,25

fSAMPLE = 50ksps

0,1

0,125

0,05

0

0

-0,05

-0,1

-0,125

-0,15

-0,2

-0,25

-0,25

0

256

512

768

Digital Output Code

1024

-0,375

0

256

512

768

Digital Output Code

1024

Figure 6. DNL vs. Digital Output Code, Ext. Reference

0,25

0,2

fSAMPLE = 50ksps

0,15

0,1

0,05

0

-0,05

-0,1

-0,15

-0,2

-0,25

0

256

512

768

Digital Output Code

1024

Figure 7. INL vs. Digital Output Code, Ext. Reference

0,375

fSAMPLE = 50ksps

0,25

0,125

0

-0,125

-0,25

-0,375

0

256

512

768

Digital Output Code

1024

Figure 8. Offset Error vs. Temperature

1,5

1

0,5

0

-0,5

-1

-1,5

-45 -30 -15 0 15 30 45 60 75 90

Temperature (°C)

Figure 9. Offset Matching vs. Temperature

0,5

0,4

0,3

0,2

0,1

0

-0,1

-0,2

-0,3

-0,4

-0,5

-45 -30 -15 0 15 30 45 60 75 90

Temperature (°C)

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