ak7770eq ETC-unknow, ak7770eq Datasheet - Page 14

• Manufacturer Part Number: ak7770eq
• Description: Audio With Multi-channel Audio Codec
• Manufacturer: ETC-unknow

■
(Ta=-10°C ~70°C; AVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1 = VSS2 = VSS3=0V; fs=48kHz;
DEM=OFF)
Parameter
Passband (±0.05dB)
Stopband
Passband ripple
Stopband Attenuation
Group delay (Ts=1/fs)
Digital filter + analog filter
Amplitude characteristic
Note 25. The pass band and stop band frequencies are proportional to “fs” (system sampling rate), and represents
Note 26. The digital filter’s delay is calculated as the time from setting data into the input register until an analog signal is
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(Ta=-10°C ~70°C; AVDD=HVDD=DVDD=3.0~3.6V; DVDD18=1.7~1.9V; VSS1 = VSS2 = VSS3=0V)
Parameter
Passband
Stop Band
Passband ripple
Stop band attenuation
Group Delay
Note 27. SRC delay time is calculated from the start of SRCLRCK just after data input to the start of LRCLKO just after
MS0699-E-01-PB
20Hz~20.0kHz
DAC1-3
SRC1/2
output.
data output, when there is no phase difference between SRCLRCK and LRCLKO.
(-6.0dB)
PB=0.4535 * fs (@ -0.05dB), and SB=0.5465 * fs, respectively.
-0.01dB
(Ts=1/fs)
(Note
(0.980≤FSO/FSI≤1.500)
(0.980≤FSO/FSI≤1.500)
(Note
(Note
26)
25)
25)
(Note
Symbol
27)
GD
SA
PB
SB
PR
Symbol
GD
PB
SB
PR
SA
- 14 -
min
26.2
64
0
0.5417FSI
102.2
min
0
±0.5
typ
24
24
typ
56
±0.01
max
21.7
0.4583FSI
± 0.01
max
[AK7770]
2008/06
Units
kHz
kHz
kHz
dB
dB
dB
Ts
Units
kHz
kHz
dB
dB
Ts