ASAHI KASEI

[AK5384]

MS0225-E-00

2003/05

- 6 -

FILTER CHARACTERISTICS (fs=48kHz)

(Ta=25

°C; AVDD, DVDD=4.75 ∼ 5.25V; TVDD=3.0 ∼ 5.25V; fs=48kHz)

Parameter

Symbol

min

typ

max

Units

ADC Digital Filter (Decimation LPF):

Passband

(Note 8)

−0.005dB

−0.02dB

−0.06dB

−6.0dB

PB

0

-

-

-

21.768

22.0

24.0

21.5

-

-

-

kHz

kHz

kHz

kHz

Stopband

(Note 8)

SB

26.5

kHz

Passband Ripple

PR

±0.005

dB

Stopband Attenuation

SA

80

dB

Group Delay

(Note 9)

GD

27.6

1/fs

Group Delay Distortion

∆GD

0

µs

ADC Digital Filter (HPF):

Frequency Response

(Note 8)

−3dB

−0.5dB

−0.1dB

FR

1.0

2.9

6.5

Hz

Hz

Hz

FILTER CHARACTERISTICS (fs=96kHz)

(Ta=25

°C; AVDD, DVDD=4.75 ∼ 5.25V; TVDD=3.0 ∼ 5.25V; fs=96kHz)

Parameter

Symbol

min

typ

max

Units

ADC Digital Filter (Decimation LPF):

Passband

(Note 8)

−0.005dB

−0.02dB

−0.06dB

−6.0dB

PB

0

-

-

-

43.536

44.0

48.0

43.0

-

-

-

kHz

kHz

kHz

kHz

Stopband

(Note 8)

SB

53.0

kHz

Passband Ripple

PR

±0.005

dB

Stopband Attenuation

SA

80

dB

Group Delay

(Note 9)

GD

27.6

1/fs

Group Delay Distortion

∆GD

0

µs

ADC Digital Filter (HPF):

Frequency Response

(Note 8)

−3dB

−0.5dB

−0.1dB

FR

2.0

5.8

13.0

Hz

Hz

Hz

Note 8. The passband and stopband frequencies scale with fs.

Note 9. The calculated delay time induced by digital filtering. This time is from the input of an analog signal

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

DC CHARACTERISTICS

(Ta=25

°C; AVDD, DVDD=4.75 ∼ 5.25V; TVDD=3.0 ∼ 5.25V)

Parameter

Symbol

min

typ

max

Units

High-Level Input Voltage (TVDD=3.0

∼ 3.6V)

Low-Level Input Voltage (TVDD=3.0

∼ 3.6V)

High-Level Input Voltage (TVDD=3.6

∼ 5.25V)

Low-Level Input Voltage (TVDD=3.6

∼ 5.25V)

VIH

VIL

VIH

VIL

2.2

-

2.7

-

-

-

-

-

-

0.8

-

0.5

V

V

V

V

High-Level Output Voltage

(Iout=

−100µA)

Low-Level Output Voltage

(Iout=100

µA)

VOH

VOL

TVDD-0.5

-

-

-

-

0.5

V

V

Input Leakage Current

Iin

-

-

±10

µA