Datasheet

110
105
100
95
90
85
80
75
70
65
60
Channel
TotalHarmonicDistortion(dBc)
1 84 62 3 5 7
f =10Hz, 0.5dBFS-
IN
120
110
100
90
80
70
60
50
InputAmplitude(dBFS)
Signal-to-NoiseRatio(dB)
-50
-60 -0.5-20 -5-40 -30 -12 -2
InternalMasterClock,AVDD=3V
ExternalMasterClock,AVDD=3V
ExternalMasterClock,AVDD=5V
InternalMasterClock,AVDD=5V
ADS1294, ADS1294R
ADS1296, ADS1296R
ADS1298, ADS1298R
www.ti.com SBAS459I –JANUARY 2010–REVISED JANUARY 2012
TYPICAL CHARACTERISTICS (continued)
All plots at T
A
= +25°C, AVDD = 3V, AVSS = 0V, DVDD = 1.8V, internal VREFP = 2.4V, VREFN = AVSS, external clock =
2.048MHz, data rate = 500SPS, High-Resolution mode, and gain = 6, unless otherwise noted.
SNR vs INPUT AMPLITUDE
ADS129xR THD (10Hz Sine Wave)
Figure 21. Figure 22.
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Product Folder Link(s): ADS1294 ADS1294R ADS1296 ADS1296R ADS1298 ADS1298R