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參數(shù)資料
| 型號： | MSM7508B |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | Single Rail CODEC |
| 中文描述： | 單鐵編解碼器 |
| 文件頁數(shù)： | 6/17頁 |
| 文件大?。?/td> | 147K |
| 代理商： | MSM7508B |
Semiconductor
MSM7508B/7509B
6/17
DG
Ground for the digital signal circuits.
This ground is separate from the analog signal ground. The DG pin must be connected to the AG
pin on the printed circuit board to make a common analog ground.
PDN
Power down control signal.
A logic "0" level drives both transmit and receive circuits to a power down state.
PCMOUT
PCM signal output.
The PCM output signal is output from MSD in a sequential order, synchronizing with the rising
edge of the BCLOCK signal.
MSD may be output at the rising edge of the XSYNC signal, based on the timing between
BCLOCK and XSYNC.
This pin is in a high impedance state except during 8-bit PCM output. It is also in a high
impedance state during power saving or power down modes.
A pull-up resistor must be connected to this pin because its output is configured as an open drain.
This device is compatible with the ITU-T recommendation on coding law and output coding
format.
The MSM7509B (A-law) outputs the character signal, inverting the even bits.
Input/Output Level
+Full scale
+0
–0
–Full scale
PCMIN/PCMOUT
MSM7508B (
m
-law)
MSD
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
MSM7509B (A-law)
MSD
1
1
0
0
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
SG
Signal ground voltage output.
The output voltage is 1/2 of the power supply voltage.
The output drive current capability is
±
300
m
A.
This pin provides the SG level for CODEC peripherals.
This output voltage level is undefined during power saving or power down modes.
SGC
Used to generate the signal ground voltage level by connecting a bypass capacitor.
Connect a 0.1
m
F capacitor with excellent high frequency characteristics between the AG pin and
the SGC pin.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM7509B | Single Rail CODEC |
| MSM7510 | Power Outlet Strip; Supply Voltage:127VAC; No. of Outlets:24; Cable Length:12ft; Electrical Outlet Style:NEMA 5-20R ; Approval Bodies:UL RoHS Compliant: No |
| MSM7512 | 1200 bps Half Duplex FSK Modem - ITU-T V.23 |
| MSM7512B | 1200 bps Half Duplex FSK Modem - ITU-T V.23 |
| MSM7533H | 2ch Single Rail CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7509B | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail CODEC |
| MSM7510 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:300 bps Full Duplex FSK Modem - ITU-T V.21 |
| MSM7510GS-K | 制造商:ROHM Semiconductor 功能描述: |
| MSM7510RS | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:300 bps Full Duplex FSK Modem - ITU-T V.21 |
| MSM7512 | 功能描述:線性和開關(guān)式電源 75W 12V 6.3A RoHS:否 制造商:TDK-Lambda 產(chǎn)品:Switching Supplies 開放式框架/封閉式:Enclosed 輸出功率額定值:800 W 輸入電壓:85 VAC to 265 VAC 輸出端數(shù)量:1 輸出電壓（通道 1）:20 V 輸出電流（通道 1）:40 A 商用/醫(yī)用: 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:Rack 長度: 寬度: 高度: |
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