Datasheet

−3.5
−3
−2.5
−2
−1.5
−1
−0.5
0
0.5
1
1.5
2
2.5
−3.5
−3
−2.5
−2
−1.5
−1
−0.5
0
0.5
1
1.5
2
2.5
0
50
100
150
200
250
300
350
Error in Current Magnitude (nA)
Number of Bins
Current Setting = 24 nA
G017
70
60
50
40
30
20
10
0
-0.53
Error (%)
Number of Bins
-0.41
-0.18
0.06
0.3
0.54 0.66 0.42 0.18
-0.06
-0.29
Data From 31 Devices, Two Lots
G015
80
70
60
50
40
30
20
10
0
-20
Threshold Error (mV)
Number of Bins
-15
0
10
20 30 35 25 15
5
-10
Data From 31 Devices, Two Lots
G016
ADS1299
www.ti.com SBAS499A –JULY 2012–REVISED AUGUST 2012
TYPICAL CHARACTERISTICS (continued)
All plots are at T
A
= +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
Figure 15. Figure 16.
LEAD-OFF CURRENT SOURCE ACCURACY DISTRIBUTION
Figure 17.
Copyright © 2012, Texas Instruments Incorporated Submit Documentation Feedback 13
Product Folder Link(s): ADS1299