參數(shù)資料
型號: EVAL-AD7946SDZ
廠商: Analog Devices Inc
文件頁數(shù): 24/24頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7946
標(biāo)準(zhǔn)包裝: 1
系列: *
AD7946
Rev. A | Page 9 of 24
REFERENCE VOLTAGE (V)
S
N
R,
S
INAD
(
d
B)
90.0
87.5
85.0
82.5
80.0
04
65
6-
0
12
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
13.0
13.5
14.0
14.5
15.0
E
N
OB
(B
it
s)
SNR
SINAD
ENOB
Figure 12. SNR, SINAD, and ENOB vs. Reference Voltage
TEMPERATURE (°C)
S
NR
(
d
B
)
04
65
6-
01
3
80.0
82.5
85.0
87.5
90.0
–55
–35
–15
5
25
45
65
85
105
125
REF = 5V
Figure 13. SNR vs. Temperature
FREQUENCY (kHz)
S
IN
AD
(
d
B
)
04
65
6-
01
4
70
75
80
85
90
95
100
0
50
100
150
200
REF = 5V, –10dB
REF = 5V, –1dB
Figure 14. SINAD vs. Frequency
SFDR
THD
REFERENCE VOLTAGE (V)
THD,
S
FDR
(dB)
04656-015
–120
–115
–110
–105
–100
–95
–90
2.3
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
Figure 15. THD, SFDR vs. Reference Voltage
TEMPERATURE (°C)
T
H
D
(
d
B)
046
56
-01
6
–130
–120
–110
–100
–90
–55
–35
–15
5
25
45
65
85
105
125
REF = 5V
Figure 16. THD vs. Temperature
FREQUENCY (kHz)
T
H
D
(
d
B)
046
56
-01
7
–120
–110
–100
–90
–80
–70
–60
0
50
100
150
200
REF = 5V, –1dB
REF = 5V, –10dB
Figure 17. THD vs. Frequency
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