AK7756 AKM [Asahi Kasei Microsystems], AK7756 Datasheet - Page 14

• Manufacturer Part Number: AK7756
• Description: DSP with Mono CODEC + Mic/Lineout Amp
• Manufacturer: AKM [Asahi Kasei Microsystems]

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1. fs=8kHz
(Ta= Tmin~Tmax, AVDD=DVDD= 3.0V ~ 3.6V, DVDD18= 1.7V ~ 1.9V; VSS1=VSS2=0V; fs=8 kHz)
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Ts=1/fs)
Digital Filter + Analog Filter
Amplitude characteristic
Note 27. Pass band and stop band parameters are related to sampling frequency (fs). PB=0.4535fs (at-0.05dB),
Note 28. The digital filter’s delay is calculated as the time from setting 16-bit data into the input register until an analog
2. fs=16kHz
(Ta= Tmin~Tmax, AVDD=DVDD= 3.0V ~ 3.6V, DVDD18= 1.7V ~ 1.9V; VSS1=VSS2=0V; fs=16kHz)
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Ts=1/fs)
Digital Filter + Analog Filter
Amplitude characteristic
MS1218-E-00-PB
DAC Block
signal is output.
SB=0.5465fs.
(-6.0dB)
(-6.0dB)
(±0.05dB)
(±0.05dB)
(Note
(Note
Parameter
Parameter
27)
27)
(Note
20Hz~3.5kHz
(Note
20Hz~7.0kHz
(Note
(Note
27)
27)
28)
28)
Symbol
Symbol
GD
GD
PB
SB
PR
SA
PB
SB
PR
SA
14
4.37
8.74
min
min
64
64
0
0
±0.5
±0.5
typ
typ
24
24
4
8
±0.01
±0.01
max
3.62
max
7.24
[AK7756]
Unit
Unit
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
Ts
Ts
2010/08