ADS1299
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SBAS499A –JULY 2012–REVISED AUGUST 2012
TYPICAL CHARACTERISTICS (continued)
All plots are at TA = +25°C, AVDD = 5 V, AVSS = 0 V, DVDD = 3.3 V, internal VREFP = 4.5 V, VREFN = AVSS, external
clock = 2.048 MHz, data rate = 250 SPS, and gain = 12, unless otherwise noted.
TEST SIGNAL AMPLITUDE ACCURACY
LEAD-OFF COMPARATOR THRESHOLD ACCURACY
80
70
60
50
40
30
20
10
0
Data From 31 Devices, Two Lots
Data From 31 Devices, Two Lots
70
60
50
40
30
20
10
0
Threshold Error (mV)
G016
Error (%)
G015
Figure 15.
Figure 16.
LEAD-OFF CURRENT SOURCE ACCURACY DISTRIBUTION
350
Current Setting = 24 nA
300
250
200
150
100
50
0
Error in Current Magnitude (nA)
G017
Figure 17.
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