AK2300 Просмотр технического описания (PDF) - Asahi Kasei Microdevices

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AK2300

3.3V Single channel PCM CODEC LSI

Asahi Kasei Microdevices 

[AK2300]

PCM INTERFACE (Long Frame, Short Frame)

All timing parameters of the output pins are measured at VOH = 0.8LVDD and VOL = 0.4V. Input pins

are measured at VIH = 0.7LVDD and VIL = 0.3LVDD.

AC Characteristics

Parameter

Symbol Min Typ Max Unit Ref Fig

FS Frequency

BCLK Frequency

BCLK Duty Cycle

Rising/Falling Time: (BCLK,FS, DX,DR)

Hold Time: BCLK Low to FS High

fPF -1.0% 8 +1.0% kHz

fPB

-

fPF×8N

(N=1~32)

-

kHz

tWB

40

tRB

tFB

tHBF

60

60 %

40 ns

ns

Setup Time: FS High to BCLK Low

Setup Time: DR to BCLK Low

Hold Time: BCLK Low to DR

tSFB

20

tSDB

20

tHBD

60

ns

ns

Fig1,2,

3,4

ns

FS Pulse Width Low

tWFSL

1

Delay time: FS or BCLK High, whichever is later,to DX valid

Note1)

TDZFL

Hold time: BCLK Low to FS Low

THBFS

60

BCLK

60 ns

ns

Setup time: FS Low to BCLK Low

TSFBS

20

ns

Delay Time: BCLK High to DX valid

Note1) tDBD

0

Note1) Measured with 50pF load capacitance and 0.2mA drive.

60 ns

<MS0998-E-00>

6

2008/9

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