ASAHI KASEI

[AK5353]

M0067-E-00

1999/06

- 6 -

FILTER CHARACTERISTICS (fs=48kHz)

(Ta=25

°C; VA,VD=2.7∼5.5V; fs=48kHz)

Parameter

Symbol

min

typ

max

Units

Digital Filter (Decimation LPF)

Passband

(Note 10)

±0.1dB

-0.2dB

-1.0dB

-3.0dB

PB

0

-

-

-

20.0

21.8

23.0

18.9

-

-

-

kHz

kHz

kHz

kHz

Stopband

(Note 10)

SB

29.4

kHz

Stopband Attenuation

SA

65

dB

Group Delay Distortion

∆GD

0

µs

Group Delay

(Note 11)

GD

-

17.0

-

1/fs

Digital Filter (HPF)

Frequency Response:

-3 dB

-0.5dB

-0.1dB

FR

-

-

-

4

11

24

-

-

-

Hz

Hz

Hz

Note:10. The passband and stopband frequencies scale with fs.

11. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal

to setting the 24bit data of both channels to the output register for ADC.

FILTER CHARACTERISTICS (fs=96kHz)

(Ta=25

°C; VA,VD=4.5∼5.5V; fs=96kHz)

Parameter

Symbol

min

typ

max

Units

Digital Filter (Decimation LPF)

Passband

(Note 10)

±0.1dB

-0.2dB

-1.0dB

-3.0dB

PB

0

-

-

-

40.0

43.6

46.0

37.8

-

-

-

kHz

kHz

kHz

kHz

Stopband

(Note 10)

SB

58.8

kHz

Stopband Attenuation

SA

65

dB

Group Delay Distortion

∆GD

0

µs

Group Delay

(Note 11)

GD

-

17.0

-

1/fs

Digital Filter (HPF)

Frequency Response:

-3 dB

-0.5dB

-0.1dB

FR

-

-

-

8

22

48

-

-

-

Hz

Hz

Hz

Note:10. The passband and stopband frequencies scale with fs.

11. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal

to setting the 24bit data of both channels to the output register for ADC.