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AK4958ECB Datasheet, PDF (1/35 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/VIDEO-AMP & LDO | |||
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[AK4958]
AK4958
24bit Stereo CODEC with MIC/SPK/VIDEO-AMP & LDO
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AK4958ã¯ãã¤ã¯ã¢ã³ããã¹ãã¼ã«ã¢ã³ãããããªã¢ã³ã, LDOãå
èµãã24bit ã¹ãã¬ãªCODECã§ãã
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ãã¾ããããã±ã¼ã¸ã¯32-pin 3.5mmè§BGA, 0.5mm pitch(AK4958EG)ã¨25-pin 2.2mmè§CSP,0.4mm
pitch(AK4958ECB)ãæ¡ç¨ãã¾ãã
ç¹é·
1. é²é³å´æ©è½
ï· ã¢ããã°å
¥å
(AK4958EG)
ï· 2系統ã®ã»ã¬ã¯ã¿å
èµã¹ãã¬ãªã·ã³ã°ã«ã¨ã³ãå
¥å
(AK4958ECB)
ï· 1系統ã®ã¹ãã¬ãªã·ã³ã°ã«ã¨ã³ãå
¥å
ï· ãã¤ã¯ç¨ã²ã¤ã³ã¢ã³ãå
èµ
(+30dB, +25dB, +21dB, +18dB, +15dB, +12dB, +6dB, 0dB)
ï· Digital ALC (Automatic Level Control) åè·¯å
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-Setting Range: +36dB ï¾ ï52.5dB, 0.375dB Step & Mute)
- Motor Noise ä½æ¸åè·¯å
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ï· ADCç¹æ§: S/(N+D): 83dB, DR, S/N: 88dB (MIC-Amp=+18dB)
S/(N+D): 85dB, DR, S/N: 96dB (MIC-Amp=0dB)
ï· ãã¤ã¯æ度è£æ£æ©è½(移åå¹³åDataåºååè·¯å
èµ)
ï· èªå風åé³ãã£ã«ã¿åè·¯å
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ï· 5段ã®ããããã£ã«ã¿
åä½ä¸ã²ã¤ã³åãæ¿ãåè·¯å
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ï· ã¹ãã¬ãªæ強調åè·¯
ï· Digital MIC Interface å
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2. åçå´æ©è½
ï· ã½ãããã¥ã¼ã
ï· Digital ALC (Automatic Level Control) åè·¯å
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- Setting Range: +36dB ï¾ ï52.5dB, 0.375dB Step & Mute
ï· ãã£ã¸ã¿ã«ããªã¥ã¼ã å
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- +6dB ~ ï89.5dB, 0.5dB Step & Mute
ï· ã¹ãã¬ãªæ強調åè·¯
ï· ã¹ãã¬ãªã©ã¤ã³åºå
- åºåé»å§: 1Vrms (AVDD = 3.3V)
- S/(N+D): 85dB
- S/N: 92dB
ï· ã¢ãã©ã«ããã·ã³ã°åºå
ï· ã¢ãã©ã«ã¹ãã¼ã«ã¢ã³ãå
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- SPK-AMPç¹æ§: S/(N+D): 65dB@150mW, 60dB@250mW
S/N: 90dB
- BTLæ¥ç¶
- å®æ ¼åºå: 400mW@8ï (AVDD = 3.3V)
ï· ã¢ããã°ããã·ã³ã°: BEEPå
¥å
ï· ä½å強調åè·¯
ï· 3-Band Dynamic Range Controlåè·¯
MS1558-J-01-PB
-1-
2013/10
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