Texas Instruments ADS79 EVM-PDK Series, Руководство пользователя

Страница: 23 / 77

80
81
82
83
84
85
86
87
88
89
90
-40 15 70 125
SFDR-SpuriousFreeDynamicRange-dB
T - Free-Air Temperature - °C
A
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
f = 100 kHz
S
IN
-90
-89
-88
-87
-86
-85
-84
-83
-82
-81
-80
-40 15
70 125
THD-T
otalHarmonicDistortion-dB
T - Free-Air Temperature - °C
A
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
f = 100 kHz
S
IN
69
69.5
70
70.5
71
71.5
72
-40 15 70 125
SNR-Signal-to-NoiseRatio-dB
T - Free-Air Temperature - °C
A
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
f = 100 kHz
S
IN
69
69.5
70
70.5
71
71.5
72
-40 15 70 125
SINAD-Signal-to-NoiseandDistortion-dB
T - Free-Air Temperature - °C
A
+VA = 5 V
+VBD = 3 V,
f = 1 MSPS,
f = 100 kHz
S
IN
-90
-89
-88
-87
-86
-85
-84
-83
-82
-81
-80
2.7 3.4 4.1 4.8 5.5
THD-T
otalHarmonicDistortion-
+VA - Supply Voltage - V
+VBD = 3 V,
f = 1 MSPS,
f = 100 kHz
T = 25°C
S
IN
A
80
81
82
83
84
85
86
87
88
89
90
2.7 3.4 4.1
4.8 5.5
SFDR-SpuriousFreeDynamicRange-dB
+VA - Supply Voltage - V
+VBD = 3 V,
f = 1 MSPS,
f = 100 kHz
T = 25°C
S
IN
A
23
ADS7950, ADS7951, ADS7952, ADS7953, ADS7954, ADS7955
ADS7956, ADS7957, ADS7958, ADS7959, ADS7960, ADS7961
www.ti.com SLAS605C – JUNE 2008 – REVISED JULY 2018
Product Folder Links: ADS7950 ADS7951 ADS7952 ADS7953 ADS7954 ADS7955 ADS7956 ADS7957 ADS7958
ADS7959 ADS7960 ADS7961
Submit Documentation Feedback
Copyright © 2008–2018, Texas Instruments Incorporated
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 23. Total Harmonic Distortion vs Supply Voltage Figure 24. Spurious Free Dynamic Range vs Supply Voltage
Figure 25. Signal-To-Noise Ratio vs Free-Air Temperature Figure 26. Signal-to-Noise + Distortion vs Free-Air
Temperature
Figure 27. Total Harmonic Distortion vs Free-Air
Temperature
Figure 28. Spurious Free Dynamic Range vs Free-Air
Temperature