參數(shù)資料
型號: EVAL-AD7156EBZ
廠商: Analog Devices Inc
文件頁數(shù): 28/28頁
文件大小: 0K
描述: BOARD EVAL FOR AD7156
標準包裝: 1
傳感器類型: 觸摸,電容式
接口: I²C
電源電壓: 1.8 V ~ 3.6 V
嵌入式:
已供物品: 板,CD
已用 IC / 零件: AD7156
AD7156
Rev. 0 | Page 9 of 28
–10
1
10
100
1k
07
72
6-
0
10
2
0
–2
–4
–6
–8
G
A
IN
E
R
RO
R
(%
F
S
R)
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0.1
1
10
100
1k
G
A
IN
E
R
RO
R
(%
F
S
R)
RESISTANCE EXC TO GROUND (M)
07
72
6-
0
13
1.8V
3.3V
1.8V
3.3V
RESISTANCE CIN TO GND (M)
Figure 10. Capacitance Input Gain Error vs. Resistance CIN to GND,
VDD = 1.8 V and 3.3 V, CIN to EXC = 3 pF
2
0
–2
–4
–6
–8
G
A
IN
E
R
RO
R
(%
F
S
R)
1
–10
1
10
100
1k
RESISTANCE CIN TO GND (M)
07
72
6-
0
1
1.8V
3.3V
Figure 11. Capacitance Input Gain Error vs. Resistance CIN to GND,
VDD = 1.8 V and 3.3 V, CIN to EXC = 9 pF
0.2
0
–0.2
–0.4
–0.6
–0.8
G
A
IN
E
R
RO
R
(%
F
S
R)
2
–1.0
0.1
1
10
100
1k
RESISTANCE EXC TO GROUND (M)
07
72
6-
0
1
1.8V
3.3V
Figure 12. Capacitance Input Gain Error vs. Resistance EXC to GND,
VDD = 1.8 V and 3.3 V, CIN to EXC = 3 pF
Figure 13. Capacitance Input Gain Error vs. Resistance EXC to GND,
VDD = 1.8 V and 3.3 V, CIN to EXC = 9 pF
1
0
–1
–2
–4
–6
–3
–5
–7
0
20406080
100
G
A
IN
E
R
RO
R
(%
F
S
R)
SERIAL RESISTANCE (k)
07
72
6-
0
14
1.8V
3.3V
Figure 14. Capacitance Input Gain Error vs. Serial Resistance,
VDD = 1.8 V and 3.3 V, CIN to EXC = 3 pF
10
0
–10
–20
–30
–40
–50
G
A
IN
E
R
RO
R
(%
F
S
R)
07
72
6-
0
15
1
10
100
1k
PARELLEL RESISTANCE (M)
1.8V
3.3V
Figure 15. Capacitance Input Gain Error vs. Parallel Resistance,
VDD = 1.8 V and 3.3 V, CIN to EXC = 3 pF
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