AK4309 查看數據表（PDF） - Asahi Kasei Microdevices

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AK4309

16Bit SCF DAC for Multimedia

Asahi Kasei Microdevices 

ASAHI KASEI

[AK4309B]

FILTER CHARACTERISTICS

(Ta=25°C; AVDD,DVDD=4.5V∼5.5V; fs=44.1kHz)

Parameter

Symbol

min

typ

max

Units

Digital Filter

Passband

-0.2dB (Note 9 )

PB

0

20.0

kHz

-6.0dB

-

22.05

-

kHz

Stopband

(Note 9 )

SB

24.3

kHz

Passband Ripple

PR

±0.05

dB

Stopband Attenuation

SA

41

dB

Group Delay

(Note 10 )

GD

-

14.5

-

1/fs

Digital Filter + SCF + CTF

Frequency Response 0∼20.0kHz

-

±0.5

-

dB

Note: 9 . The passband and stopband frequencies scale with fs.

For example, PB=0.4535*fs(@-0.2dB), SB=0.55*fs.

10 . The calculating delay time which occurred by digital filtering. This time is from setting the 16bit

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

DIGITAL CHARACTERISTICS

(Ta=25°C; AVDD,DVDD=4.5∼5.5V)

Parameter

High-Level Input Voltage

Low-Level Input Voltage

High-Level Output Voltage (Iout=-100A)

Low-Level Output Voltage (Iout=100A)

Input Leakage Current

Symbol

min

typ

VIH

2.2

-

VIL

-

-

VOH DVDD-0.5

-

VOL

-

Iin

-

-

max

Units

-

V

0.8

V

-

V

0.5

V

±10

uA

0177-E-00

-6-

1997/6

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