ADC1283IPT datasheet(10/24 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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10 / 24 page

Figure 18. +/- INL 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 (%)

INL+

INL-

AVCC=DVCC=5V

AVCC=DVCC=3V

Figure 19. SNR vs. SCLK duty cycle

30%

40%

50%

60%

70%

Duty cycle (%)

AVCC=DVCC=5V

AVCC=DVCC=3V

AVCC=DVCC=5V

AVCC=DVCC=3V

Figure 20. THD vs. SCLK duty cycle

-100

-95

-90

-85

-80

-75

-70

30%

40%

50%

60%

70%

Duty cycle (%)

AVCC=DVCC=5V

AVCC=DVCC=3V

Figure 21. ENOB vs. SCLK duty cycle

11.4

11.6

11.8

30%

40%

50%

60%

70%

Duty cycle (%)

AVCC=DVCC=5V

AVCC=DVCC=3V

Figure 22. +/- DNL vs. SCLK

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1.6

2.4

3.2

SCLK (MHz)

DNL+

DNL-

AVCC=DVCC=5V

AVCC=DVCC=3V

Figure 23. +/- INL vs. SCLK

-1

-0.8

-0.6

-0.4

-0.2

0.2

0.4

0.6

0.8

1.6

2.4

3.2

SCLK (MHz)

INL+

INL-

AVCC=DVCC=5V

AVCC=DVCC=3V

ADC1283

Typical characteristics

DS13932 - Rev 1

page 10/24

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