ADC3561 datasheet(16/85 Pages) TI

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6.9 Typical Characteristics - ADC3561 (continued)

Typical values at TA = 25 °C, ADC sampling rate = 10 MSPS, AIN = –1 dBFS differential input, AVDD = IOVDD = 1.8 V,

external 1.6 V voltage reference, unless otherwise noted.

Code

8192

16384 24576 32768 40960 49152 57344 65536

-1

-0.75

-0.5

-0.25

0.25

0.5

0.75

FIN = 1.1 MHz

Figure 6-13. DNL vs Code

Output Code

10%

15%

20%

25%

30%

32759 32760 32761 32762 32763 32764 32765 32766 32767

Figure 6-14. DC Offset Histogram

Sampling Rate (MSPS)

IAVDD, ext REF

IAVDD, int REF

IIOVDD, 2-w

IIOVDD, 1-w

FIN = 1.1 MHz, DDC Bypass

Figure 6-15. Current vs Sampling Rate

Sampling Rate (MSPS)

Bypass

/4 real

/8 real

/32 real

/2 real

/4 complex

/8 complex

/32 complex

FIN = 1.1 MHz, 1-wire

Figure 6-16. IIOVDD Current vs Decimation

Sampling Rate (MSPS)

IIOVDD, 2-w

IIOVDD, 1-w

IIOVDD, 2-w (half swing)

IIOVDD, 1-w (half swing)

FIN = 1.1 MHz, Complex Decimation by 32

Figure 6-17. IIOVDD Current vs Interface

ADC3561, ADC3562, ADC3563

SBAS990B – FEBRUARY 2021 – REVISED OCTOBER 2022

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