ADS5294IPFPR datasheet(25/81 Pages) TI1

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−80

−70

−60

−50

−40

−30

−20

−10

0.01

0.1

Frequency of signal on supply (MHz)

PSMR

PSRR

With 50mVpp signal

superimposed on AVDD supply

PSMR: 3MHz input signal applied

PSRR: No input signal applied

−80

−70

−60

−50

−40

−30

−20

−10

0.0

0.1

0.2

0.3

0.4

0.5

Normalized Frequency (fin/fs)

Low Pass

High pass

Frequency of CMRR signal (MHz)

With 50mVpp signal superimposed on input common−mode

Fin = 3 MHz

0.03

0.1

16.18

45.5

31.53

5.55

0.11

−0.8

−0.7

−0.6

−0.5

−0.4

−0.3

−0.2

−0.1

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

900

3900

6900

9900

12900

15900

Output_codes (dB)

−0.3

−0.2

−0.1

0.0

0.1

0.2

0.3

900

3900

6900

9900

12900

15400

Output_codes (LSB)

ADS5294

www.ti.com

SLAS776D – NOVEMBER 2011 – REVISED SEPTEMBER 2015

Typical Characteristics (continued)

Typical values are at 25°C, AVDD = 1.8 V, LVDD = 1.8 V, 50% clock duty cycle, –1-dBFS differential analog input, 14 Bit/ 80

MSPS, ADC is configured in the internal reference mode, unless otherwise noted.

Figure 26. Integral Non-Linearity

Figure 27. Differential Non-Linearity

Figure 28. Histogram of Output Code With Analog Inputs

Figure 29. Common Mode Rejection Ratio vs Frequency

Shorted (RMS Noise = 96.4 uV) a note "RMS Noise = 96.4

uV" to Figure 28

Figure 30. Power-Supply Rejection Ratio vs Frequency

Figure 31. Filter Response, Decimate by 2

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