|
AK8996W Datasheet, PDF (8/71 Pages) HuaXinAn Electronics CO.,LTD – Pressure Sensor Control IC | |||
|
◁ |
[AK8996/W]
[ãªãã¡ã¬ã³ã¹é¨ & Others]
ãããã¯
æ©è½
V_Bandgap
(VBG)
V_Reference
(VREF)
I_Reference
(IREF)
ååè·¯ã«å¿
è¦ãªåºæºé»å§ããã¤ã¢ã¹é»æµãçºçãã¾ãã
VREFé»å§ã¯ã1.0Vã¨ãªããã調æ´ãã¦ä¸ããã
VREFé»å§èª¿æ´
å解è½
3bits
調æ´step 1% step
IREFé»æµã¯ã20µAã¨ãªããã調æ´ãã¦ä¸ããã
IREFé»æµèª¿æ´
å解è½
4bits
調æ´step 2.7% step typ.
å
é¨åä½ã«å¿
è¦ãªã¿ã¤ãã³ã°ä¿¡å·ãåã³ã»ã³ãµã¼åºåä¿¡å·ã®ãµã³ããªã³ã°å¨æ³¢æ°ãçºç
Oscillator
(OSC)
ããããã®çºæ¯å¨ã§ããçºæ¯å¨æ³¢æ°ã¯ã1024kHzã«èª¿æ´ãã¦ä¸ããã
OSC調æ´
å解è½
4bits
調æ´step 5% step
V_temp.
(VTMP)
温度ã»ã³ãµã¼ã§ããç°å¢æ¸©åº¦ãé»å§ã«å¤æãã¾ãã温度ã»ã³ãµã¼åºåé»å§ï¼VTMPé»å§ï¼
ã¯ã25°Cæã«VREFé»å§ã¨ä¸è´ãããã調æ´ãã¦ä¸ããã
VTMPé»å§èª¿æ´
å解è½
6bits
調æ´step 0.2%ï¼0.67°Cï¼step
V_Common
(VCOM)
ã¢ããã°åè·¯åºæºé»å§1/2VDDãçºçãã¾ããå®å®åã®çºã10nFãæ¥ç¶ãã¦ä¸ããã
åºåã«é»æµé§åè½åããªãããæµæè² è·ã¯æ¥ç¶ããªãã§ä¸ããã
å
èµãã¦ããPower Upåè·¯ã«ããã¢ããã°åè·¯å®å®åä½æéï¼Start Up æå¹æéï¼å
ã«
ç«ä¸ãã¾ãã
é»æºæå
¥æåã³ã¹ã¿ã³ãã¤è§£é¤ï¼STBYN端åâLâ to âHâï¼æãVREFã»IREFçã®ç«ä¸ãæ
éã管çã誤åä½é²æ¢ã®ããPower Upåè·¯ãå
èµãã¦ãã¾ããPower Upåè·¯ã¯ãOSC
ãç¡å¹ã¨ãã¦ã¢ããã°åè·¯å®å®åä½æéãçºçãã¾ããã¢ããã°åè·¯å®å®åä½æéãé
Power ON
Delay
(PODLY)
ããã¨OSCãæå¹ã¨ãã¾ãã
é»æºé»å§ã¯ã200µsec以å
ã«ç«ä¸ãã¦ä¸ããï¼0.8*VDD<ï¼ãé»æºç«ä¸æé200µsec以
å
ãæºè¶³ããªãã¨ãã¹ãã¢ã¼ãã«å
¥ãå¯è½æ§ãããã¾ãããã¹ãã¢ã¼ãã«å
¥ãã¨ãAK8996
ã¯æ£å¸¸ã«åä½ãã¾ããã®ã§ã注æä¸ããï¼æ©è½èª¬æç 9) AK8996é»æºç«ä¸æ注æäºé
åç
§ï¼ã
ã¾ããVDD端åã¨STBYN端åãçµç·ããç¶æ
ã§é»æºON/OFFãã¦ä½¿ç¨ãããå ´åããã¯ã¼
ãªã³ãªã»ãããæå¹ã«ããããã«ãé»æºé»å§ãå¿
ã0.1*VDD以ä¸ã¨ããå¿
è¦ãããã¾ãã®ã§
ã注æä¸ããã
Serial I/F EEPROMã«ã¢ã¯ã»ã¹ããããã®ã·ãªã¢ã«ã¤ã³ã¿ã¼ãã§ã¤ã¹ã§ãã
EEPROM & EEPROMåã³å¶å¾¡ã¬ã¸ã¹ã¿ï¼æ®çºæ§ã¡ã¢ãªï¼ã§ãã
Control è£æ£å¤åã³æ¸¬å®ã¢ã¼ãã®æ ¼ç´ãåã³èª¿æ´æ測å®ã¢ã¼ãè¨å®ã«ä½¿ç¨ãã¾ãã
Register
MS1055-J-04
8
2011/12
|
▷ |