AK5701VN datasheet(7/62 Pages) AKM

Part #	AK5701VN

Description	PLL & MIC-AMP 16-Bit Stereo ADC

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Manufacturer	AKM [Asahi Kasei Microsystems]

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ASAHI KASEI

[AK5701]

MS0404-J-00

2005/08

- 7 -

フィルタ特性

(Ta=25

°C; AVDD=2.4 ∼ 3.6V; DVDD=1.6 ∼ 3.6V; fs=44.1kHz)

Parameter

Symbol

min

typ

max

Units

ADC Digital Filter (Decimation LPF):

Passband (Note 15)

±0.1dB

PB

0

-

17.4

kHz

−1.0dB

-

20.0

-

kHz

−3.0dB

-

21.1

-

kHz

Stopband (Note 15)

SB

25.7

-

kHz

Passband Ripple

PR

-

±0.1

dB

Stopband Attenuation

SA

65

-

dB

Group Delay (Note 16)

GD

-

18

-

1/fs

Group Delay Distortion

∆GD

-

0

-

µs

ADC Digital Filter (HPF): HPF1-0 bits = “00”

Frequency Response (Note 15)

−3.0dB

FR

-

3.4

-

Hz

−0.5dB

-

10

-

Hz

−0.1dB

-

22

-

Hz

Note 15. 各振幅特性の周波数は fs (システムサンプリングレート)に比例します。

例えば、PB=20.0kHz(@

−1.0dB)は0.454 x fsです(ADC)。各応答は1kHzを基準にします。

Note 16. ディジタルフィルタによる遅延演算で、アナログ信号が入力されてから両チャネルの16ビットデー

タが出力レジスタにセットされるまでの時間です。

DC特性

(Ta=25

°C; AVDD=2.4 ∼ 3.6V; DVDD=1.6 ∼ 3.6V)

Parameter

Symbol

min

typ

max

Units

High-Level Input Voltage

Except CSP pin; 2.2V

≤ DVDD ≤3.6V

VIH

70

%DVDD

-

V

Except CSP pin; 1.6V

≤ DVDD <2.2V

VIH

80

%DVDD

-

V

CSP pin

VIH

90

%DVDD

-

V

Low-Level Input Voltage

Except CSP pin; 2.2V

≤ DVDD ≤3.6V

VIL

-

30

%DVDD

V

Except CSP pin; 1.6V

≤ DVDD <2.2V

VIL

-

20

%DVDD

V

CSP pin

VIL

-

10

%DVDD

V

High-Level Output Voltage

(Iout=

−200µA)

VOH

DVDD

−0.2

-

V

Low-Level Output Voltage

(Iout= 200

µA)

VOL

-

0.2

V

Input Leakage Current (Note 17)

Iin

-

±10

µA

Note 17. CSP pin = “H”のとき、CCLK pinは内部でプルダウンされています(typ. 100k

Ω)。

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AK5701VN Datasheet(PDF) 7 Page - Asahi Kasei Microsystems

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