ADS8864IDGS Datasheet, PDF (14/45 Pages) Texas Instruments – 16-Bit 400-kSPS Serial Interface microPower Miniature Single-Ended Input SAR Analog-to-Digital Converter

ADS8864
SBAS572A – MAY 2013 – REVISED DECEMBER 2013
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, AVDD = 3 V, DVDD = 3 V, V_REF = 5 V, and f_SAMPLE = 400 kSPS, unless otherwise noted.
16
-90
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-95
15
-100
14
-105
13
-110
12
0
20
40
60
80
100
Input Frequency (kHz)
C02
Figure 30. ENOB vs INPUT FREQUENCY
-115
0
20
40
60
80
Input Frequency (kHz)
Figure 31. THD vs INPUT FREQUENCY
100
C02
115
2
110
1.6
105
1.2
100
0.8
95
0.4
90
0
20
40
60
80
Input Frequency (kHz)
Figure 32. SFDR vs INPUT FREQUENCY
100
C02
4
3.5
3
2.5
2
1.5
1
0.5
0
-40
-15
10
35
60
85
Free-Air Temperature (^oC)
C02
Figure 34. POWER CONSUMPTION vs TEMPERATURE
0
-40
-15
10
35
60
85
Free-Air Temperature (^oC)
C02
Figure 33. SUPPLY CURRENT vs TEMPERATURE
1
0.8
0.6
0.4
0.2
0
40
100
160
220
280
340
400
Throughput (kSPS)
C03
Figure 35. SUPPLY CURRENT vs THROUGHPUT
14
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