ADS7040_15 Datasheet, PDF (9/42 Pages) Texas Instruments – Ultra-Low Power, Ultra-Small Size

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ADS7040
SBAS676C – NOVEMBER 2014 – REVISED DECEMBER 2015
Typical Characteristics (continued)
At T_A = 25°C, AVDD = 3 V, DVDD = 1.8 V, and f_SAMPLE = 1 MSPS, unless otherwise noted.
±60
±65
±63
±70
±66
±75
±69
±80
±72
±75
0
50
100
150
200
250
Input Frequency (kHz)
C008
±85
1.8
2.1
2.4
2.7
3
3.3
3.6
Reference Voltage (V)
C010
Figure 8. THD vs Input Frequency
80
78
76
74
72
70
±40
±7
26
59
92
125
Free-Air Temperature (^oC)
C007
Figure 9. THD vs Reference Voltage
80
77
74
71
68
65
0
50
100
150
200
250
Input Frequency (kHz)
C009
Figure 10. SFDR vs Free-Air Temperature
90
86
82
78
74
70
1.8
2.1
2.4
2.7
3
3.3
3.6
Reference Voltage (V)
C011
70000
Figure 11. SFDR vs Input Frequency
60000
50000
40000
30000
20000
10000
0
128
129
Code
C012
Figure 12. SFDR vs Reference Voltage
Figure 13. DC Input Histogram
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