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AK7757VQ Datasheet, PDF (11/24 Pages) Asahi Kasei Microsystems – 24bit 3ch ADC +4ch DAC + Mic Amp 内蔵 Audio DSP | |||
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[AK7757]
â DACç¹æ§
(ç¹è¨ãªãå ´åã¯ãTa=25ºC; AVDD=DVDD=3.3V, DVDD18=1.8V,VSS=0V, BICK=64fs; Signal frequency 1kHz;
Measurement frequency = 20Hz~20kHz @fs=48kHz; å·®åå
¥åæ)
Parameter
min
typ
max
Unit
DAC1 Resolution
24
Bits
DAC2
Dynamic Characteristics
S/(N+D) (0 dBFS) 0dBFS output mode
82
92
dB
-20dBFS output mode
75
85
dB
Dynamic Range
0dBFS output mode
100
107
dB
(A-weighted) (Note 11) -20dBFS output mode
80 (Note 15)
90
dB
S/N (A-weighted)
0dBFS output mode
100
107
dB
-20dBFS output mode 80 (Note 15)
90
dB
Inter-channel Isolation (f=1kHz) (Note 13)
90
110
dB
DC accuracy
Channel Gain Mismatch (Note 14)
0.0
0.7
dB
Analog output
Output Voltage
0dBFS output mode
2.0
2.2
2.4
Vp-p
-20dBFS output mode
0.2
0.22
0.24
Vp-p
Load Resistance
5
kâ¦
Load Capacitance
30
pF
Note 11. -60dB FSã®ä¿¡å·ãå
¥åããã¨ãã®S/(N+D)ã§ãã
Note 13. åã
ã® DAC ã® Lch-Rch éã®ã¢ã¤ã½ã¬ã¼ã·ã§ã³ã§ãã
Note 14. å
¨åºå (DAC1L/R, DAC2L/R) éã®ã²ã¤ã³ãã¹ããã
Note 15. Ta=25ºC, AVDD=DVDD=3.0~3.6V
MS1489-J-01-PB
11
2013/05
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