ADS5294IPFPR datasheet(27/81 Pages) TI1

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100

120

140

160

180

200

220

240

Sampling Frequency (MSPS)

110

130

150

170

190

Sampling Frequency (MSPS)

2−wire

1−wire

1−wire Decimate by 2

150

200

250

300

350

400

450

Sampling Frequency (MSPS)

100

125

150

175

200

225

250

275

300

325

350

10 15 20 25 30 35 40 45 50 55 60 65 70 75 80

Sampling Frequency (MSPS)

2−wire

1−wire

1−wire Decimate by 2

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

Frequency (MHz)

LF noise suppression enabled

LF noise suppression disabled

−140

−130

−120

−110

−100

−90

−80

−70

−60

−50

−40

−30

−20

−10

39.1 39.2 39.3 39.4 39.5 39.6 39.7 39.8 39.9

Frequency (MHz)

LF noise suppression enabled

LF noise suppression disabled

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 38. FFT (0 to 1 MHz) for 5-MHz Input Signal, Sample

Figure 39. FFT (39 MHz to 40 MHz) for 5-MHz Input Signal,

Rate = 80 MSPS with Low Frequency Noise Suppression

Sample Rate = 80 MSPS with Low Frequency Noise

Enabled

Suppression Enabled

Figure 40. Power Consumption on Analog Supply

Figure 41. Power Consumption on Digital Supply

Figure 42. Supply Current on Analog Supply

Figure 43. Supply Current on Digital Supply

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