[AK4344]

FILTER CHARACTERISTICS

(Ta=25

°C; VDD=2.7 ∼ 3.6V; fs=44.1kHz; DEM1 bit= “0”, DEM0 bit= “1”)

Parameter

Symbol

min

typ

max

Units

DAC Digital Filter:

Passband

(Note 8)

±0.05dB

−6.0dB

PB

0

-

22.05

20.0

-

kHz

kHz

Stopband

(Note 8)

SB

24.1

kHz

Passband Ripple

PR

±0.01

dB

Stopband Attenuation

SA

54

dB

Group Delay

(Note 9)

GD

-

24.0

-

1/fs

Digital Filter + SCF + CTF:

Frequency Response

0

∼ 20kHz

∼ 40kHz

(Note 10)

FR

-

-

±0.1

±0.2

-

dB

-

dB

Note 8. The passband and stopband frequencies scale with fs (system sampling rate).

Note 9. The calculating delay time which occurred by digital filtering. This time is from setting the 16/24bit data

of both channels to input register to the output of analog signal.

Note 10. At fs=96kHz.

DC CHARACTERISTICS

(Ta=25

°C; VDD=2.7 ∼ 3.6V)

Parameter

Symbol

min

typ

max

Units

High-Level Input Voltage

Low-Level Input Voltage

VIH

VIL

70%VDD

-

-

-

-

30%VDD

V

V

High-Level Output Voltage

(Iout=-80µA)

Low-Level Output Voltage

(Iout=80µA)

VOH

VOL

VDD-0.4

-

-

-

0.4

V

V

Input Leakage Current

Iin

-

-

µA

± 10

MS0641-E-00

2007/06

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