Texas Instruments ADS79 EVM-PDK Series, Руководство пользователя

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0
0.05
0.1
0.15
0.2
0.25
0 5 10 15 20
E
-GainError-LSBs
G
Channel Number
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS
S
70
70.5
71
71.5
72
72.5
73
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Channel Number
SNR-Signal-to-NoiseRatio-dB
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS
S
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0 5 10 15
Channel Number
INL
-IntegralNonlinearity-LSBs
INL max
INL min
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS
S
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0 5 10 15 20
E
-OffsetError-LSBs
O
Channel Number
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS
S
70
72
74
76
78
80
82
84
86
88
90
20 40 60 80 100
SFDR-SpuriousFreeDynamicRange-dB
f - Input Frequency - KHz
IN
10
W
1000 W
+VA = 5 V
+VBD = 5 V,
f = 1 MSPS,
T = 25°C,
Buffer Between MXO and AINP
S
A
100 W
500 W
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0.4
0.6
0.8
1
0 5 10 15
Channel Number
DNL max
DNL min
DNL
-DifferentialNonlinearity-LSBs
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS
S
25
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
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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 35. Spurious Free Dynamic Range vs Input
Frequency (Across Different Source Resistance Values)
Figure 36. Differential Nonlinearity Variation Across
Channels
Figure 37. Integral Nonlinearity Variation Across Channels Figure 38. Offset Error Variation Across Channels
Figure 39. Gain Error Variation Across Channels Figure 40. Signal-to-Noise Ratio Variation Across Channels