V
參數(shù)資料
型號: AD7689BCPZRL7
廠商: Analog Devices Inc
文件頁數(shù): 5/32頁
文件大?。?/td> 0K
描述: IC ADC 16BIT 250KSPS 8CH 20LFCSP
產(chǎn)品培訓模塊: Power Line Monitoring
Motor Control
產(chǎn)品變化通告: Startup Circuitry Design Improvement Change 15/April/2009
標準包裝: 1
系列: PulSAR®
位數(shù): 16
采樣率(每秒): 250k
數(shù)據(jù)接口: DSP,MICROWIRE?,QSPI?,串行,SPI?
轉換器數(shù)目: 1
功率耗散(最大): 21mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-VFQFN 裸露焊盤,CSP
供應商設備封裝: 20-LFCSP-VQ
包裝: 標準包裝
輸入數(shù)目和類型: 8 個單端,單極;4 個差分,雙極;4 個偽差分,雙極
其它名稱: AD7689BCPZRL7DKR
Data Sheet
AD7682/AD7689
Rev. D | Page 13 of 32
100
95
90
85
80
75
70
65
60
0
50
100
150
200
SN
R
(
d
B
)
FREQUENCY (kHz)
VREF = VDD = 5V, –0.5dB
VREF = VDD = 5V, –10dB
VREF = VDD = 2.5V, –0.5dB
VREF = VDD = 2.5V, –10dB
07
35
3-
0
41
Figure 12. SNR vs. Frequency
96
94
92
90
88
86
84
82
80
17.0
16.5
16.0
15.5
15.0
14.5
14.0
13.5
13.0
1.0
S
NR,
S
INAD
(
d
B
)
E
N
OB
(
B
it
s)
REFERENCE VOLTAGE (V)
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SNR @ 2kHz
SINAD @ 2kHz
SNR @ 20kHz
SINAD @ 20kHz
ENOB @ 2kHz
ENOB @ 20kHz
07
35
3-
0
13
Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage
96
94
92
90
88
86
84
–55
S
N
R
(
d
B)
TEMPERATURE (°C)
–35
–15
5
25
45
65
85
105
125
fIN = 20kHz
VREF = VDD = 5V
VREF = VDD = 2.5V
07
35
3-
0
1
4
Figure 14. SNR vs. Temperature
100
95
90
85
80
75
70
65
60
0
50
100
150
200
S
INAD
(
d
B)
FREQUENCY (kHz)
VREF = VDD = 5V, –0.5dB
VREF = VDD = 5V, –10dB
VREF = VDD = 2.5V, –0.5dB
VREF = VDD = 2.5V, –10dB
07
35
3-
0
12
Figure 15. SINAD vs. Frequency
130
125
120
115
110
105
100
95
90
85
80
75
70
1.0
S
F
DR
(
d
B)
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
–120
T
HD
(
d
B)
REFERENCE VOLTAGE (V)
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
SFDR = 2kHz
SFDR = 20kHz
THD = 2kHz
THD = 20kHz
07
35
3-
0
16
Figure 16. SFDR and THD vs. Reference Voltage
–90
–95
–100
–105
–110
–55
TH
D
(
d
B
)
TEMPERATURE (°C)
–35
–15
5
25
45
65
85
105
125
fIN = 20kHz
VREF = VDD = 5V
VREF = VDD = 2.5V
07
35
3-
0
1
7
Figure 17. THD vs. Temperature
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