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AK4161EN Datasheet, PDF (6/11 Pages) Asahi Kasei Microsystems – 6-channel Capacitive Touch Sensor IC | |||
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[AK4161]
ã¢ããã°ç¹æ§
(ç¹è¨ãªãå ´åã¯ãTa = -40ï°C ~ 85ï°C, VDD = 3.3V)
Parameter
Symbol min
typ
max
Unit
A/D Converter
Resolution
RESO
-
10
-
Bits
Touch Sensor
Charge Current Variation Against Nominal Value (Note 6) ICHG
-30
-
30
%
Power Supply Current
Measurement Current (All function in active)
IMEAS
-
0.765
-
mA
Idle Current
IIDLE
-
3.15
-
uA
Average Supply Current (Note 7)
TSR= 0.25ms
TSR= 0.5ms
TSR= 1ms
TSR= 2ms
TSR= 4ms
TSR=8ms
TSR=16ms
TSR=32ms
TSR=2msã1段ç®Filterã§ã®ãµã³ãã«æ°20
TSR=32msã1段ç®Filterã§ã®ãµã³ãã«æ°20
TSR=512msã1段ç®Filterã§ã®ãµã³ãã«æ°20
IDD
-
687
-
uA
-
351
-
uA
-
177
-
uA
-
90
-
uA
-
47
-
uA
-
25
-
uA
-
14
-
uA
-
9
-
uA
-
489
-
uA
-
18
-
uA
-
4.1
-
uA
Shutdown Current ACT=0 (ã·ã£ãããã¦ã³ã¢ã¼ã)
ISHUT
-
1.2
8.0
uA
Note 6. ã»ã³ã¹ç«¯åé»å§æ¡ä»¶ï¼A/Då¤æå¤ãVDD-0.25[V]ç¸å½ä»¥ä¸ï¼CC2Xn = 1ã®ã¨ãã¯VDD-0.3[V]ç¸å½ä»¥ä¸ï¼
ãã£ã¼ã¸é»æµã¯é»æºé»å§ã«ä¾åããã¬ã¸ã¹ã¿è¨å®ã«ãã0.556ÃVDD ~ 70.056ÃVDD [uA]ã®ç¯å²ã§è¨å®
ã§ãã¾ãã
Note 7. 測å®æ¡ä»¶ï¼æå¹ã»ã³ã¹æ°6ããã£ã¼ã¸æé2usããã¤ãºé¤å»ç¨ 1stãã£ã«ã¿ã§ã®ãµã³ãã«æ°6ã端å容é
22pFã®ã»ã³ã¹ç«¯åã使ç¨ã
MS1450-J-02-PB
-6-
2012/12
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