ADS7056
www.ti.com.cn
ZHCSG66 –MARCH 2017
Typical Characteristics (continued)
at TA = 25°C, AVDD = 3.3 V, DVDD = 1.8 V, fIN = 2 kHz, and fSample = 2.5 MSPS (unless otherwise noted)
76
75
74
73
72
-80
-82
-84
-86
-88
-90
SNR
SINAD
2.35
2.6
2.85
3.1
3.35
3.6
-40
-7
26
59
92
125
Reference Voltage (V)
Free-Air Temperature (èC)
D007
D008
Figure 9. SNR and SINAD vs Reference Voltage (AVDD)
Figure 10. THD vs Temperature
-80
-82
-84
-86
-88
-90
-92
95
93
91
89
87
85
-40
-7
26
59
92
125
0
250
500
750
1000
Free-Air Temperature (èC)
Input Frequency (kHz)
D009
D010
Figure 11. SFDR vs Temperature
Figure 12. THD vs Input Frequency
97
95
93
91
89
87
85
-80
-82
-84
-86
-88
-90
0
250
500
750
1000
2.35
2.6
2.85
3.1
3.35
3.6
Input Frequency (kHz)
Reference Voltage (V)
D011
D012
Figure 13. SFDR vs Input Frequency
Figure 14. THD vs Reference Voltage (AVDD)
Copyright © 2017, Texas Instruments Incorporated
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