AS1538 datasheet(7/20 Pages) AMSCO

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AS1538/AS1540

Data Sheet - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s

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

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

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

Figure 8. Offset Error vs. Temperature

Figure 9. Offset Matching vs. Temperature

-1.2

-0.8

-0.4

0.4

0.8

1.2

1024

2048

3072

4096

Digital Output Code

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1024

2048

3072

4096

Digital Output Code

fSAMPLE = 50ksps

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1024

2048

3072

4096

Digital Output Code

fSAMPLE = 50ksps

-1.2

-0.8

-0.4

0.4

0.8

1.2

1024

2048

3072

4096

Digital Output Code

fSAMPLE = 50ksps

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

-45 -30 -15

15 30

60 75

Temperature (°C)

-6

-4

-2

-45 -30 -15

Temperature (°C)

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