AK4424 datasheet(6/19 Pages) AKM | 192kHz 24-Bit Stereo ?誇 DAC with 2Vrms Output

Part No.	AK4424

Description	192kHz 24-Bit Stereo ?誇 DAC with 2Vrms Output

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Manufacturer	AKM [Asahi Kasei Microsystems]

Direct Link	http://www.akm.com

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6 / 19 page

[AK4424]

MS0935-E-03

2010/09

- 6 -

FILTER CHARACTERISTICS

(Ta = 25

°C; VDD=CVDD = +4.5 ∼ +5.5V; fs = 44.1 kHz)

Parameter

Symbol

min

typ

max

Units

Digital filter (DEM = OFF)

Passband

±0.05dB (Note 11)

-6.0dB

PB

0

-

22.05

20.0

-

kHz

Stopband (Note 11)

SB

24.1

kHz

Passband Ripple

PR

± 0.02

dB

Stopband Attenuation

SA

54

dB

Group Delay (Note 12)

GD

-

19.3

-

1/fs

De-emphasis Filter (DEM = ON)

De-emphasis Error

(Relative to 0Hz)

fs = 32kHz

fs = 44.1kHz

fs = 48kHz

-

–1.5/0

–0.2/+0.2

0/+0.6

dB

Digital Filter + LPF (DEM = OFF)

Frequency Response

20.0kHz

40.0kHz

80.0kHz

fs=44.1kHz

fs=96kHz

fs=192kHz

FR

-

± 0.05

-

dB

Note 11. The passband and stopband frequencies scale with fs(system sampling rate).

For example, PB=0.4535×fs (@

±0.05dB), SB=0.546×fs.

Note 12. Calculated delay time caused by digital filter. This time is measured from setting the 16/24bit data

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

DC CHARACTERISTICS

(Ta = 25

°C; VDD=CVDD = +4.5 ∼ +5.5V)

Parameter

Symbol

min

typ

max

Units

High-Level Input Voltage

Low-Level Input Voltage

VIH

VIL

2.2

-

0.8

V

High-Level Input Voltage (Iout = -80uA)

Low-Level Input Voltage

(Iout = 80uA)

VIH

VIL

VDD-0.4

-

0.4

V

Input Leakage Current (Note 13)

Iin

-

± 10

μA

Note 13. The DEM pin is not included. The DEM pin has internal pull-down resistor. (typ.100kΩ)

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AK4424 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems

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