參數(shù)資料
型號(hào): EVAL-AD7747EBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 2/28頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL FOR AD7747
標(biāo)準(zhǔn)包裝: 1
傳感器類型: 觸摸,電容式
接口: I²C
電源電壓: 2.7 V ~ 5.25 V
嵌入式:
已供物品: 板,纜線,CD
已用 IC / 零件: AD7747
產(chǎn)品目錄頁(yè)面: 781 (CN2011-ZH PDF)
相關(guān)產(chǎn)品: AD7747ARUZ-REEL7-ND - IC CONV CAP TO DIG 24BIT 16TSSOP
AD7747ARUZ-REEL-ND - IC CONV CAP TO DIG 24BIT 16TSSOP
AD7747ARUZ-ND - IC CONV 24BIT CAP-DGTL 16-TSSOP
AD7747
Rev. 0 | Page 10 of 28
200
–200
064
0
546
9-
0
50
CAPDAC CODE
CAP
D
AC
DNL
(
fF
)
150
100
50
0
–50
–100
–150
8
16
24
32404856
Figure 16. CAPDAC Differential Nonlinearity (DNL)
2.0
–2.0
–50
150
05
46
9-
0
34
TEMPERATURE (°C)
E
RR
O
R
(
°C)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–25
0
25
50
75
100
125
Figure 17. Internal Temperature Sensor Error vs. Temperature
1.0
–3.0
–50
150
05
46
9-
0
35
TEMPERATURE (°C)
E
RRO
R
(
°C)
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–25
0
25
50
75
100
125
Figure 18. External Temperature Sensor Error vs. Temperature
0
–120
01k
0
546
9-
0
51
INPUT SIGNAL FREQUENCY (Hz)
GA
IN
(
B
)
–20
–40
–60
–80
–100
100
200
300
400
500
600
700
800
900
Figure 19. Capacitive Channel Frequency Response;
Conversion Time = 22 ms
0
–120
0
200
0
546
9-
0
52
INPUT SIGNAL FREQUENCY (Hz)
GA
IN
(
d
B
)
–20
–40
–60
–80
–100
25
50
75
100
125
150
175
Figure 20. Capacitive Channel Frequency Response;
Conversion Time = 124 ms
0
–120
0
400
05
46
9-
0
39
INPUT SIGNAL FREQUENCY (Hz)
GA
IN
(
d
B
)
–20
–40
–60
–80
–100
50
100
150
200
250
300
350
Figure 21. Voltage Channel Frequency Response;
Conversion Time = 122.1 ms
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