ADS5294IPFP Datasheet, PDF (25/67 Pages) Texas Instruments – Octal Channel 14-Bit, 80 MSPS High-SNR and Low-Power ADC

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ADS5294
SLAS776B – NOVEMBER 2011 – REVISED JULY 2012
TYPICAL CHARACTERISTICS (continued)
Typical values are at 25°C, AVDD = 1.8 V, LVDD = 1.8V, 50% clock duty cycle, –1 dBFS differential analog input, 14 Bit/80
MSPS, ADC is configured in the internal reference mode, unless otherwise noted.
450
350
2−wire
325
1−wire
1−wire Decimate by 2
400
300
275
350
250
225
300
200
175
250
150
125
200
100
75
150
10
20
30
40
50
60
70
80
Sampling Frequency (MSPS)
50
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80
Sampling Frequency (MSPS)
Figure 40. Power Consumption on Analog Supply
Figure 41. Power Consumption on Digital Supply
240
190
2−wire
1−wire
220
170
1−wire Decimate by 2
200
150
180
130
160
110
140
90
120
70
100
50
80
10
20
30
40
50
60
70
80
Sampling Frequency (MSPS)
Figure 42. Supply Current on Analog Supply
30
10
20
30
40
50
60
70
80
Sampling Frequency (MSPS)
Figure 43. Supply Current on Digital Supply
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