Texas Instruments ADS869 Series Manual page 17

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Typical Characteristics (continued)
At T = 25°C, AVDD = 5 V, DVDD = 3 V, internal reference V
A
95
94
93
92
91
----- ± 2.5*V
90
REF
----- ] 1.25*V
REF
----- ] 0.625*V
REF
89
----- + 2.5*V
REF
-----+1.25*V
REF
88
±40 ±7
Free-Air Temperature (
f
IN
Figure 38. SINAD vs Temperature
±80
±90
±100
±110
±120
±40 ±7
Free-Air Temperature (
f
IN
Figure 40. THD vs Temperature
±80
----- ± 2.5*V
REF
----- ] 1.25*V
REF
----- ] 0.625*V
REF
±95
----- + 2.5*V
REF
-----+1.25*V
REF
±110
±125
±140
50 500
Input Frequency (Hz)
Figure 42. Isolation Crosstalk vs Frequency
Copyright © 2015, Texas Instruments Incorporated
26 59 92
o
C)
= 1 kHz
----- ± 2.5*V
REF
----- ] 1.25*V
REF
----- ] 0.625*V
REF
----- + 2.5*V
REF
-----+1.25*V
REF
26 59 92
o
C)
= 1 kHz
5000 50000 500000 5000000
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= 4.096 V, and f
REF SAMPLE
±80
±90
±100
±110
±120
125
10 2010
C039
Figure 39. THD vs Input Frequency
±80
±95
±110
----- ± 2.5*V
----- ] 1.25*V
±125
----- ] 0.625*V
----- + 2.5*V
-----+1.25*V
±140
125 50 500
C041
Figure 41. Memory Crosstalk vs Frequency
±80
±95
±110
----- ± 2.5*V
----- ] 1.25*V
±125
----- ] 0.625*V
----- + 2.5*V
-----+1.25*V
±140
50 500
C043
Input = 2 × maximum input voltage
Figure 43. Memory Crosstalk vs Frequency for
ADS8694 ADS8698
ADS8694, ADS8698
SBAS686 – JULY 2015
= 500 kSPS, unless otherwise noted.
----- ± 2.5*V
----- ] 1.25*V
----- ] 0.625*V
----- + 2.5*V
-----+1.25*V
4010 6010 8010
Input Frequency (Hz)
REF
REF
REF
REF
REF
5000 50000 500000
Input Frequency (Hz)
REF
REF
REF
REF
REF
5000 50000 500000
Input Frequency (Hz)
Overrange Inputs
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REF
REF
REF
REF
REF
10010
C040
5000000
C042
5000000
C044
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