參數(shù)資料
型號: AD7691BRMZ-RL7
廠商: ANALOG DEVICES INC
元件分類: ADC
英文描述: 18-Bit, 1.5 LSB INL, 250 kSPS PulSAR Differential ADC in MSOP/QFN
中文描述: 1-CH 18-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO10
封裝: LEAD FREE, MO-187BA, MSOP-10
文件頁數(shù): 11/28頁
文件大?。?/td> 682K
代理商: AD7691BRMZ-RL7
AD7691
Rev. 0 | Page 11 of 28
104
86
92
90
88
2.3
5.3
4.7
5.0
REFERENCE VOLTAGE (V)
S
102
100
98
96
94
14
E
18
17
16
15
2.6
2.9
3.2
3.5
3.8
4.1
4.4
ENOB
SINAD
0
SNR
Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage
105
100
95
90
85
80
–55
125
TEMPERATURE (°C)
Figure 14. SNR vs. Temperature
S
–35
–15
5
25
45
65
85
105
0
V
REF
= 5V
V
REF
= 2.5V
105
70
0
125
FREQUENCY (kHz)
S
100
95
90
85
80
75
25
50
75
100
V
REF
= 5V, –1dB
V
REF
= 2.5V, –10dB
V
REF
= 2.5V, –1dB
V
REF
= 5V, –10dB
0
Figure 15. SINAD vs. Frequency
–105
–135
–125
–130
2.3
5.3
REFERENCE VOLTAGE (V)
Figure 16. THD, SFDR vs. Reference Voltage
T
2.6
2.9
3.2
3.5
3.8
4.1
4.4
4.7
5.0
–110
–115
–120
0
THD
SFDR
–90
–130
–55
125
TEMPERATURE (°C)
Figure 17. THD vs. Temperature
T
–35
–15
5
25
45
65
85
105
V
REF
= 5V
V
REF
= 2.5V
–100
–110
–120
0
–60
–130
0
125
FREQUENCY (kHz)
T
–70
–80
–90
–100
–110
–120
25
50
75
100
V
REF
= 5V, –1dB
V
REF
= 2.5V, –10dB
V
REF
= 2.5V, –1dB
V
REF
= 5V, –10dB
0
Figure 18. THD vs. Frequency
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