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AK7757VQ Datasheet, PDF (12/24 Pages) Asahi Kasei Microsystems – 24bit 3ch ADC +4ch DAC + Mic Amp 内蔵 Audio DSP | |||
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[AK7757]
DCç¹æ§
(Ta=Tmin~Tmax; AVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; AVSS=DVSS=0V)
Parameter
Symbol
min
typ
max
Unit
High level input voltage
Low level input voltage
(Note 16)
(Note 16)
VIH 80%DVDD
VIL
V
20%DVDD
V
SCL, SDA High level input voltage
VIH 70%DVDD
V
SCL, SDA Low level input voltage
High level output voltage: Iout=-100μA (Note 17)
Low level output voltage: Iout=100μA (Note 17)
VIL
VOH
VOL
DVDD-0.4
30%DVDD
V
V
0.4
V
SDA Low level output voltage Iout=3mA
Input leak current
(Note 18)
Input leak current XTI pin
VOL
Iin
Iix
0.4
V
±10
μA
26
μA
Note 16. SCL, SDA/SO pin ãé¤ãã¾ãã
Note 17. SDA/SO pinãé¤ãã¾ãã
Note 18. XTI pin ãé¤ãã¾ãã
æ¶è²»é»æµ
(Ta=25ºC; AVDD=DVDD=3.3V; DVDD18=1.8V; AVSS=DVSS=0V, fin=1 kHz, 24bit, fs=8 kHz (CKM mode = 0),
DSPS=BITFS=PMOSC bits= â0â PMMB bit=â1â, DSP running with programmed connecting DIN2 with DOUT1 and
DIN1 with DOUT3.
Parameter
min
typ
max
Unit
Power Supplies: (Note 19)
Power-Up (IRSTN pin = âHâ) CODEC+DSP
All Circuit Power-up
AVDD+DVDD AVDD=DVDD=3.3V
DVDD18
DVDD18=1.8V
Power Consumption
AVDD+DVDD AVDD=DVDD=3.6V
DVDD18
DVDD18=1.9V
50
-
mA
50
-
mA
255
mW
70
mA
70
mA
Reset (IRSTN pin = âLâ), Power-down condition (Note 20)
AVDD+DVDD (åèå¤)
-
1
μA
DVDD18 (åèå¤)
6
μA
Note 19. DVDD18ã®å¤ã¯ä½¿ç¨å¨æ³¢æ°ããã³DSPããã°ã©ã å
容ã«ãã£ã¦å¤åãã¾ãã
Note 20. å
¨ã¦ã®ãã£ã¸ã¿ã«å
¥åãã³ãDVDDã¾ãã¯DVSSã«åºå®ããæã®å¤ã§ãã
MS1489-J-01-PB
12
2013/05
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