參數(shù)資料
型號(hào): AD7691BRMZ
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(yè)數(shù): 12/28頁(yè)
文件大小: 682K
代理商: AD7691BRMZ
AD7691
Rev. 0 | Page 12 of 28
105
81
–10
0
INPUT LEVEL (dB)
Figure 19. SNR, THD vs. Input Level
S
–130
T
–90
–95
–100
–105
–110
–115
–120
–125
0
102
99
96
93
90
87
84
–8
–6
–4
–2
SNR 2.5V
SNR 5V
THD 2.5V
THD 5V
TEMPERATURE (°C)
O
1000
750
500
250
0
–55
–35
–15
5
25
45
65
85
105
125
VIO
VDD = 2.5V
VDD = 5V
0
f
S
=100kSPS
Figure 20. Operating Current vs. Temperature
SUPPLY (V)
O
1000
750
500
250
0
2.3
2.6
2.9
3.2
3.5
3.8
4.1
4.4
4.7
5.0
5.3
VIO
VDD
0
f
S
=100kSPS
Figure 21. Operating Current vs. Supply
6
–6
TEMPERATURE (°C)
O
–55
125
4
2
0
–2
–4
–35
–15
5
25
45
65
85
105
GAIN ERROR
OFFSET ERROR
0
Figure 22. Offset and Gain Error vs. Temperature
TEMPERATURE (°C)
P
1000
750
500
250
0
–55
–35
–15
5
25
45
65
85
105
125
VDD + VIO
0
Figure 23. Power-Down Current vs. Temperature
SDO CAPACITIVE LOAD (pF)
120
0
20
40
60
80
100
t
D
25
20
15
10
5
0
VDD = 5V, 85°C
VDD = 5V, 25°C
0
Figure 24. t
DSDO
Delay vs. Capacitance Load and Supply
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