ASAHI KASEI

[AK4342]

MS0506-E-02

2006/07

- 10 -

FILTER CHARACTERISTICS

(Ta=25

°C; AVDD, DVDD, HVDD, PVDD=2.7 ∼ 3.6V, TVDD=1.6 ∼ 3.6V; fs=44.1kHz; De-emphasis = “OFF”)

Parameter

Symbol

min

typ

max

Units

DAC Digital Filter:

Passband

±0.05dB (Note 20)

PB

0

-

20.0

kHz

−6.0dB

-

22.05

-

kHz

Stopband

(Note 20)

SB

24.1

-

-

kHz

Passband Ripple

PR

-

-

±0.02

dB

Stopband Attenuation

SA

54

-

-

dB

Group Delay

(Note 21)

GD

-

21

-

1/fs

Group Delay Distortion

∆GD

-

0

-

µs

Digital Filter + Analog Filter: (Note 22)

Frequency Response

20.0kHz (fs=44.1kHz)

FR

-

−0.5

-

dB

40.0kHz (fs=96kHz)

FR

-

−1.5

-

dB

Analog Filter: (Note 23)

Frequency Response

20.0kHz

FR

-

±1.0

-

dB

40.0kHz

FR

-

±1.0

-

dB

Note 20. The passband and stopband frequencies scale with fs.

For example, PB=0.4535*fs(@

±0.05dB), SB=0.546*fs(@−54dB).

Note 21. Delay time caused by digital filtering. This time is from setting the 16/20/24bit data of both channels to input

register to the output of analog signal.

Note 22. DAC

HPL/HPR/LOUT/ROUT/LAUX/RAUX

Note 23. LIN

HPL/LOUT/LAUX, RIN

HPR/ROUT/RAUX

DC CHARACTERISTICS

(Ta=25

°C; AVDD, DVDD, HVDD, PVDD=2.7 ∼ 3.6V; TVDD=1.6 ∼ 3.6V)

Parameter

Symbol

min

typ

max

Units

High-Level Input Voltage

(2.7V

≤ TVDD ≤ 3.6V)

VIH

70

%TVDD

-

-

V

(1.6V

≤ TVDD < 2.7V)

VIH

80%TVDD

-

-

V

Low-Level Input Voltage

(2.7V

≤ TVDD ≤ 3.6V)

VIL

-

-

30

%TVDD

V

(1.6V

≤ TVDD < 2.7V)

VIL

-

-

20

%TVDD

V

Low-Level Output Voltage

(Iout = 3mA)

VOL

-

-

0.4

V

Input Leakage Current

(Note 24)

Iin

-

-

±10

µA

Note 24. Except I2C and CSN/CAD0 pins. These pins have internal pull-up device, nominally 100k

Ω.