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參數(shù)資料
| 型號： | ADV7343BSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 81/108頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ENCODER VIDEO W/DAC 64-LQFP |
| 產(chǎn)品變化通告： | ADV734x, ADV739x Feature Improvement |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 視頻編碼器 |
| 應(yīng)用： | DVD，Blu-Ray |
| 電壓 - 電源，模擬： | 3.3V |
| 電壓 - 電源，數(shù)字： | 1.8V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-LQFP |
| 供應(yīng)商設(shè)備封裝： | 64-LQFP（10x10） |
| 包裝： | 托盤 |
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ADV7342/ADV7343
Data Sheet
Rev. | Page 74 of 108
External filter and buffer components connected to the DAC
outputs should be placed as close as possible to the ADV7342/
ADV7343 to minimize the possibility of noise pickup from
neighboring circuitry and to minimize the effect of trace
capacitance on output bandwidth. This is particularly important
when operating in low-drive mode (RSETx = 4.12 k, RL = 300 ).
Power Supplies
It is recommended that a separate regulated supply be provided
for each power domain (VAA, VDD, VDD_IO, and PVDD). For
optimal performance, linear regulators rather than switch mode
regulators should be used. If switch mode regulators must be
used, care must be taken with regard to the quality of the output
voltage in terms of ripple and noise. This is particularly true for
the VAA and PVDD power domains. Each power supply should be
individually connected to the system power supply at a single
point through a suitable filtering device, such as a ferrite bead.
Power Supply Decoupling
It is recommended that each power supply pin be decoupled
with 10 nF and 0.1 F ceramic capacitors. The VAA, PVDD,
VDD_IO, and both VDD pins should be individually decoupled to
ground. The decoupling capacitors should be placed as close as
possible to the ADV7342/ADV7343 with the capacitor leads
kept as short as possible to minimize lead inductance.
A 1 F tantalum capacitor is recommended across the VAA
supply in addition to the 10 nF and 0.1 F ceramic capacitors.
Power Supply Sequencing
If the ALSB pin is tied low, a power supply sequence is required
for proper operation of the part. The VDD_IO power supply must
be established a minimum of 250 s prior to the VDD power
supply being established. The VAA and PVDD power supplies can
be established at any time and in any order. Tying ALSB to
VDD_IO completely removes this PSS requirement.
Digital Signal Interconnect
The digital signal traces should be isolated as much as possible
from the analog outputs and other analog circuitry. Digital
signal traces should not overlay the VAA or PVDD power plane.
Due to the high clock rates used, avoid long clock traces to the
ADV7342/ADV7343 to minimize noise pickup.
Any pull-up termination resistors for the digital inputs should
be connected to the VDD_IO power supply.
Any unused digital inputs should be tied to ground.
Analog Signal Interconnect
DAC output traces should be treated as transmission lines with
appropriate measures taken to ensure optimal performance (for
example, impedance matched traces). The DAC output traces
should be kept as short as possible. The termination resistors on
the DAC output traces should be placed as close as possible to,
and on the same side of the PCB as, the ADV7342/ADV7343.
To avoid crosstalk between the DAC outputs, it is recom-
mended that as much space as possible be left between the
traces connected to the DAC output pins. Adding ground traces
between the DAC output traces is also recommended.
D
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7343WBSTZ | 功能描述:IC ENCODER VID 12BIT DAC 64LQFP 制造商:analog devices inc. 系列:- 包裝:托盤 零件狀態(tài):在售 類型:視頻編碼器 應(yīng)用:DVD，Blu-Ray 電壓 - 電源，模擬:2.6 V ~ 3.46 V 電壓 - 電源，數(shù)字:1.71 V ~ 1.89 V 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商器件封裝:64-LQFP（10x10） 標(biāo)準(zhǔn)包裝:1 |
| ADV7343WBSTZ-RL | 功能描述:Video Encoder IC DVD, Blu-Ray 64-LQFP (10x10) 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):有效 類型:視頻編碼器 應(yīng)用:DVD，Blu-Ray 電壓 - 電源，模擬:2.6 V ~ 3.46 V 電壓 - 電源，數(shù)字:1.71 V ~ 1.89 V 安裝類型:表面貼裝 封裝/外殼:64-LQFP 供應(yīng)商器件封裝:64-LQFP（10x10） 標(biāo)準(zhǔn)包裝:1,500 |
| ADV7344 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Video Encoder Six 14-Bit Noise Shaped Video DACs |
| ADV7344BSTZ | 制造商:Analog Devices 功能描述: |
| ADV73505501 | 制造商:LG Corporation 功能描述:Frame Assembly |
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