參數(shù)資料
型號(hào): MSM7705-02
廠商: OKI SEMICONDUCTOR CO., LTD.
元件分類(lèi): Codec
英文描述: 4ch Single Rail CODEC
中文描述: 4路單鐵編解碼器
文件頁(yè)數(shù): 16/20頁(yè)
文件大小: 144K
代理商: MSM7705-02
Semiconductor
MSM7705-01/02/03
16/20
APPLICATION INFORMATION
DOUT Pull-up Resistor
A value of the pull-up resistor for the DOUT pin should be determined depending on frequencies
of BCLK and load capacitance.
If a smaller value is used, there may be some degradation in noise performance, resulting in an
increase in supply current.
Equation to give pull-up resistor
1
————
4
f
– 50 ns
Rpull = ———————— (
W
)
C
L
where
f
BCLK
=
C
L
=
50 ns =
Frequency of BCLK
Load capacitance of the PCMOUT pin
(approximately 20 pF for a CMOS or TTL load)
Internal delay of the MSM7705
Condition for Calculation
If data is turned back from DOUT to DIN under the condition the SYNC signal and BCLK signal
rise simultaneously, the data can normally be transferred.
T = Rpull
C
L
X, RSYNC
BCLK
DOUT
T
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSM7705-03 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:4ch Single Rail CODEC
MSM7708-02 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:Serial Register Interface ADPCM CODEC for Telephone Recording
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MSM7715 制造商:OKI 制造商全稱(chēng):OKI electronic componets 功能描述:Multi-Function Telecommunication LSI
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