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AK8996W Datasheet, PDF (60/71 Pages) HuaXinAn Electronics CO.,LTD – Pressure Sensor Control IC | |||
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[AK8996/W]
5.1.2) åºæºé»å§çºçé¨ã¬ã¸ã¹ã¿
j) VREFé»å§èª¿æ´ï¼ã¬ã¸ã¹ã¿å称ï¼VREFï¼
AK8996åºæºé»å§ã調æ´ããããã®ã¬ã¸ã¹ã¿ã§ãã1000mVã¨ãªãããã«èª¿æ´ãã¾ãï¼å¤ä»é¨åæ¨å¥¨æ¥ç¶
ä¾åç
§ï¼ã
以ä¸ã®è¡¨ã§ÎVREF3/5ã¯ãã¬ã¸ã¹ã¿è¨å®ã«ãã£ã¦å¤åããå¤ã示ãã¦ãã¾ããÎVS3/5ã¯ããããÎ
VREF3/5ã«2åã³4ãæããå¤ã§ããã¾ããæ¯çã¯ã1000mVï¼VREFçæ³å¤ï¼ã100%ã¨ããå ´åï¼æ¯çï¼
ÎVREFï¼1000[mV]*100[%]ï¼ã§ãã
Address : 12 hex D[2:0]=EVR[2:0]
EVR[2:0]
æ¯ç VDD:3V, 3.3Vã¢ã¼ã
Dec Hex Bin
(%)
ÎVREF3
(mV)
ÎVS3
(mV)
-4 4 100 96
-40
-80
-3 5 101 97
-30
-60
-2 6 110 98
-20
-40
-1 7 111 99
-10
-20
0 0 000 100
0
0
1 1 001 101
+10
+20
2 2 010 102
+20
+40
3 3 011 103
+30
+60
VDD:5V
ÎVREF5 ÎVS5
(mV)
(mV)
-40
-160
-30
-120
-20
-80
-10
-40
0
0
+10
+40
+20
+80
+30
+120
Comments
åæå¤
k) IREFé»æµèª¿æ´ï¼ã¬ã¸ã¹ã¿å称ï¼IREFï¼
AK8996åºæºé»æµã調æ´ããããã®ã¬ã¸ã¹ã¿ã§ãã20.0µAã¨ãªãããã«èª¿æ´ãã¾ãï¼å¤ä»é¨åæ¨å¥¨æ¥ç¶ä¾
åç
§ï¼ã
以ä¸ã®è¡¨ã§ÎIREFã¯ãã¬ã¸ã¹ã¿è¨å®ã«ãã£ã¦å¤åããå¤ã示ãã¦ãã¾ããÎVIREFï¼=ÎIREF*47[kâ¦]ï¼
ã¯ã調æ´æå¤ä»æµæï¼47kâ¦ï¼ã«ãã£ã¦å¤åããé»å§ã§ããã¾ããæ¯çã¯ã20.0µAï¼IREFçæ³å¤ï¼ã100%ã¨
ããå ´åï¼æ¯çï¼ÎIREFï¼20[µA]*100[%]ï¼ã§ãã
Address : 13 hex D[3:0]=EIR[3:0]
EIR[3:0]
æ¯ç
Dec Hex Bin
(%)
-8 8 1000
83.0
-7 9 1001
84.7
-6 A 1010
86.6
-5 B 1011
88.5
-4 C 1100
90.5
-3 D 1101
92.7
-2 E 1110
95.0
-1 F 1111
97.4
0 0 0000
100
1 1 0001
102.8
2 2 0010
105.7
3 3 0011
108.8
4 4 0100
112.2
5 5 0101
115.9
6 6 0110
119.8
7 7 0111
124.1
ÎIREF
(µA)
-3.40
-3.05
-2.68
-2.30
-1.89
-1.46
-1.00
-0.52
0
+0.55
+1.14
+1.77
+2.45
+3.17
+3.96
+4.81
ÎVIREF
(V)
-0.220
-0.203
-0.186
-0.168
-0.149
-0.129
-0.107
-0.084
-0.060
-0.034
-0.006
+0.023
+0.055
+0.089
+0.126
+0.166
Comments
åæå¤
MS1055-J-04
60
2011/12
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