參數(shù)資料
型號: AD7873
廠商: Analog Devices, Inc.
英文描述: Touch Screen Digitizer
中文描述: 觸摸屏數(shù)字轉換器
文件頁數(shù): 9/28頁
文件大小: 657K
代理商: AD7873
AD7873
TYPICAL PERFORMANCE CHARACTERISTICS
Rev. D | Page 9 of 28
198
199
200
201
202
203
204
205
206
207
S
μ
A
0
–40
–20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 5. Supply Current vs. Temperature
150
160
170
180
190
200
S
μ
A
210
220
230
0
2.2
2.6
3.0
3.4
3.8
4.2
4.6
5.0
+V
CC
(V)
f
SAMPLE
= 12.5kHz
V
REF
CC
Figure 6. Supply Current vs. +V
CC
–0.20
–0.15
–0.10
–0.05
0
0.05
D
0.10
0.15
0.20
0
–40
–20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 7. Change in Gain vs. Temperature
134
135
136
137
138
139
140
141
S
0
–40
–20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 8. Power-Down Supply Current vs. Temperature
3.2
3.7
2.2
2.7
4.2
4.7
5.2
+V
CC
(V)
0
100
1000
S
V
REF
= +V
CC
Figure 9. Maximum Sample Rate vs. +V
CC
–0.6
–0.4
–0.2
0
0.2
0.4
0.6
D
0
–40
–20
0
20
40
60
80
100
TEMPERATURE (°C)
Figure 10. Change in Offset vs. Temperature
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