ADC1283IPT datasheet(9/24 Pages) STMICROELECTRONICS

Part #	ADC1283IPT

Description	8 multiplexed channels, 50 ksps to 200 ksps, 12-bit SAR ADC

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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9 / 24 page

Figure 12. SNR vs. AVCC = DVCC

2.5

3.5

4.5

5.5

AVCC, DVCC (V)

SNR (dB)

Figure 13. THD vs. AVCC = DVCC

-100

-95

-90

-85

-80

-75

-70

2.5

3.5

4.5

5.5

AVCC, DVCC (V)

THD (dB)

Figure 14. ENOB vs. AVCC = DVCC

11.4

11.6

11.8

2.5

3.5

4.5

5.5

AVCC, DVCC (V)

ENOB (bits)

Figure 15. +/- DNL vs. DVCC with AVCC = 5 V

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

2.5

3.0

3.5

4.0

4.5

5.0

DVCC (V)

DNL+

DNL-

Figure 16. +/- INL vs. DVCC with AVCC = 5 V

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

2.5

3.0

3.5

4.0

4.5

5.0

DVCC (V)

INL+

INL-

Figure 17. +/- DNL vs. SCLK duty cycle

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

30%

40%

50%

60%

70%

Duty cycle (%)

DNL+

DNL-

AVCC=DVCC=5V

AVCC=DVCC=3V

ADC1283

Typical characteristics

DS13932 - Rev 1

page 9/24

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