Texas Instruments ADS79 EVM-PDK Series, Руководство пользователя

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-90
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
20 40 60 80 100
10
W
100
W
500
W
1000 W
THD-T
otalHarmonicDistortion-dB
f - Input Frequency - KHz
IN
+VA = 5 V
+VBD = 5 V,
f = 1 MSPS,
T = 25°C,
Buffer Between MXO and AINP
S
A
69
69.5
70
70.5
71
71.5
72
20 40 60 80 100
10 W
f - Input Frequency - KHz
IN
SINAD-Signal-to-NoiseandDistortion-dB
100 W
500
W
1000 W
+VA = 5 V
+VBD = 5 V,
f = 1 MSPS,
T = 25°C,
Buffer Between MXO and AINP
S
A
-90
-88
-86
-84
-82
-80
-78
-76
-74
-72
-70
10 30 50 70 90 110 130 150
f - Input Frequency - KHz
IN
THD-T
otalHarmonicDistortion-dB
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
T = 25°C,
MXO Shorted to AINP
S
A
70
75
80
85
90
95
100
10 30 50 70 90 110 130 150
f - Input Frequency - KHz
IN
SFDR-SpuriousFreeDynamicRange-dB
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
T = 25°C,
MXO Shorted to AINP
S
A
69
69.5
70
70.5
71
71.5
72
72.5
73
10 30 50 70 90 110 130 150
f - Input Frequency - KHz
IN
SNR-Signal-to-NoiseRatio-dB
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
T = 25°C,
MXO Shorted to AINP
S
A
69
69.5
70
70.5
71
71.5
72
72.5
73
10 30 50 70 90 110 130 150
f - Input Frequency - KHz
IN
SINAD-Signal-to-NoiseandDistortion-dB
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
T = 25°C,
MXO Shorted to AINP
S
A
24
ADS7950, ADS7951, ADS7952, ADS7953, ADS7954, ADS7955
ADS7956, ADS7957, ADS7958, ADS7959, ADS7960, ADS7961
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Typical Characteristics (12-Bit Devices Only) (continued)
Variations for 10-bit and 8-bit devices are too small to be illustrated through the characteristic curves
Figure 29. Signal-to-Noise Ratio vs Input Frequency Figure 30. Signal-to-Noise + Distortion vs Input Frequency
Figure 31. Total Harmonic Distortion vs Input Frequency
Figure 32. Spurious Free Dynamic Range vs Input
Frequency
Figure 33. Signal-to-Noise + Distortion vs Input Frequency
(Across Different Source Resistance Values)
Figure 34. Total Harmonic Distortion vs Input Frequency
(Across Different Source Resistance Values)