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AK4954AEN Datasheet, PDF (5/26 Pages) Asahi Kasei Microsystems – 32bit Stereo CODEC with MIC/HP/SPK-AMP | |||
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[AK4954A]
â AK4953A ã¨ã®æ¯è¼
æ©è½
AK4953A
AK4954A
å解è½
24bit
32bit
AVDD
2.85V â¼ 3.5V
2.5V â¼ 3.5V
DVDD
SVDD
TVDD
1.6V ~ 2.0V
0.9V â¼ 5.5V
DVDD â¼ 3.5V
1.6V ~ 1.98V
â
1.6V or (DVDD-0.2)V â¼ 3.5V
ADC DR, S/N
88dB @ MGAIN = +20dB
96dB @ MGAIN = 0dB
97dB @ MGAIN = +20dB
100dB @ MGAIN = 0dB
DAC(ããããã©ã³) S/N
96dB
100dB
å
¥åã¬ãã«
typ. 2.4Vpp @ MGAIN=0dB
typ. 0.8 x AVDD @ MGAIN=0dB
åºåã¬ãã«(ããããã©ã³) typ. 1.75Vpp @ DVOL=0dB
typ. 0.485 x AVDD @ DVOL=0dB
ãã¤ã¯ãã¯ã¼åºåé»å§
typ 2.3V (2 系統åºå)
typ. 0.8 x AVDD (2 系統åºå)
ãã¤ã¯ãã¯ã¼åºåãã¤ãº
-108dBV (A-weighted)
-120dBV (A-weighted)
ã¬ãã«
MIC-Amp
0dB/+12dB/+16dB/+20dB/+23dB/
+26dB/+29dB
0dB/+6dB/+13dB/+20dB/+26dB
ADC ãªã¼ãã¼ããã¼åºå ãªã
ãã(MCKI pin ã¨æä»ä½¿ç¨)
ã¹ãã¬ãªæ強調
ãªã
ãã
åºåããªã¥ã¼ã
+36dB â¼ -54dB, 0.375dB Step (Note 1) +36dB â¼ -52.5dB, 0.375dB Step (Note 1)
& +12dB â¼ -115dB, 0.5dB Step
& +6dB â¼ -65.5dB, 0.5dB Step
ãã¤ãããã¯ã¬ã³ã¸
ãªã
ãã(åçç³»)
ã³ã³ããã¼ã«åè·¯
Speaker-Amp ã©ã¤ã³åºå
ãªã
ãã
åæ¿ã
Master Clock åºæº
11.2896MHz, 12MHz, 13.5MHz,
PLL Mode å¨æ³¢æ°
24MHz, 27MHz
ã·ãªã¢ã« μP ã¤ã³ã¿ãã§ã¼ã¹ 3 ç·ã·ãªã¢ã« or I2C Bus
11.2896MHz, 12MHz, 12.288MHz,
13.5MHz, 24MHz, 27MHz
I2C Bus
Power Consumption
(Stereo Recording) typ. 9.4mW
(Headphone Playback) typ. 10.2mW
typ. 10.4mW (ä½æ¶è²»é»åã¢ã¼ã)
typ. 6.2mW (ä½æ¶è²»é»åã¢ã¼ã)
Package
36QFN (5 x 5mm, 0.4mm pitch)
32QFN (4 x 4mm, 0.4mm pitch)
Note 1. ALC åã³ ããªã¥ã¼ã 㯠å
¥åºåå
±éã§ããé²é³ã¨åçã§åæã« ALC ã¾ã㯠ããªã¥ã¼ã ã使ç¨ããã
ã¨ã¯ã§ãã¾ããã
MS1542-J-00-PB
-5-
2013/06
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