AK4122A 参数 Datasheet PDF下载

[AK4122A]

FILTER CHARACTERISTICS

(Ta=25°C; AVDD=DVDD=3.0

∼

3.6V; DEM=OFF)

Parameter

Symbol

min

typ

max

Units

Digital Filter

Passband

−0.001dB

0.985

≤

FSO/FSI

≤

6.000

PB

0

0.4583FSI

kHz

0.905

≤

FSO/FSI

<

0.985

PB

0

0.4167FSI

kHz

0.714

≤

FSO/FSI

<

0.905

PB

0

0.3195FSI

kHz

0.656

≤

FSO/FSI

<

0.714

PB

0

0.2852FSI

kHz

0.536

≤

FSO/FSI

<

0.656

PB

0

0.2245FSI

kHz

0.492

≤

FSO/FSI

<

0.536

PB

0

0.2003FSI

kHz

0.452

≤

FSO/FSI

<

0.492

PB

0

0.1781FSI

kHz

0.333

≤

FSO/FSI

<

0.452

PB

0

0.1092FSI

kHz

Stopband

0.985

≤

FSO/FSI

≤

6.000

SB

0.5417FSI

kHz

0.905

≤

FSO/FSI

<

0.985

SB

0.5021FSI

kHz

0.714

≤

FSO/FSI

<

0.905

SB

0.3965FSI

kHz

0.656

≤

FSO/FSI

<

0.714

SB

0.3643FSI

kHz

0.536

≤

FSO/FSI

<

0.656

SB

0.2974FSI

kHz

0.492

≤

FSO/FSI

<

0.536

SB

0.2732FSI

kHz

0.452

≤

FSO/FSI

<

0.492

SB

0.2510FSI

kHz

0.333

≤

FSO/FSI

<

0.452

SB

0.1822FSI

kHz

Passband Ripple

PR

±0.01

dB

Stopband Attenuation

SA

96

dB

Group Delay

GD

-

58.5

-

1/fs

Note 7. This value is the time from the rising edge of LRCK after data is input to rising edge of LRCK after data is output,

when LRCK for Output data corresponds with LRCK for Input.

DC CHARACTERISTICS

(Ta=25°C; AVDD=DVDD=3.0

∼

3.6V)

Parameter

High-Level Input Voltage

Low-Level Input Voltage

High-Level Output Voltage

(Iout=−400μA)

Low-Level Output Voltage

(Iout=400μA)

Input Leakage Current

Symbol

VIH

VIL

VOH

VOL

Iin

min

70%DVDD

-

DVDD−0.4

-

-

typ

-

-

-

-

-

max

-

30%DVDD

-

0.4

±10

Units

V

V

V

V

μA

Units

Parameter

min

typ

max

Power Supply Current

Normal operation (PDN pin = “H”)

8)

-

15

FSI=FSO=48kHz at Slave Mode: AVDD=DVDD=3.3V

-

29

FSI=FSO=96kHz at Master Mode: AVDD=DVDD=3.3V

45

-

FSI=FSO=96kHz at Master Mode: AVDD=DVDD=3.6V

Power down (PDN pin = “L”)

9)

100

10

AVDD+DVDD

Note 8. Typ and max values are the value of AVDD+DVDD in each power supply voltage.

Power supply current of each path@Slave Mode, AVDD=DVDD=3.3V, FSI=FSO=48kHz

1. PORT1

→

SRC

→

PORT3: AVDD=5mA(typ), DVDD=10mA(typ)

2. PORT2

→

SRC

→

PORT3: AVDD=5mA(typ), DVDD=10mA(typ)

3. DIR

→

SRC

→

PORT3: AVDD=6mA(typ), DVDD=9mA(typ)

Note 9. All digital input pins are held DVSS.

mA

mA

mA

μA

MS1076-E-01

-9-

2010/05