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參數(shù)資料
| 型號： | ADV7390EBZ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| 中文描述： | 低功耗，芯片尺寸10位標清/高清視頻編碼器 |
| 文件頁數(shù)： | 63/96頁 |
| 文件大?。?/td> | 1209K |
| 代理商： | ADV7390EBZ |
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ADV7390/ADV7391/ADV7392/ADV7393
Rev. 0 | Page 63 of 96
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Figure 89. Output Filter Plot for SD, 16× Oversampling
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Figure 90. Output Filter Plot for ED, 8× Oversampling
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Figure 91. Output Filter Plot for HD, 4× Oversampling
PRINTED CIRCUIT BOARD (PCB) LAYOUT
The ADV739x is a highly integrated circuit containing both
precision analog and high speed digital circuitry. It has been
designed to minimize interference effects on the integrity of the
analog circuitry by the high speed digital circuitry. It is imperative
that these same design and layout techniques be applied to the
system-level design so that optimal performance is achieved.
The layout should be optimized for lowest noise on the
ADV739x power and ground planes by shielding the digital
inputs and providing good power supply decoupling.
It is recommended to use a 4-layer printed circuit board with
ground and power planes separating the signal trace layer and
the solder side layer.
Component Placement
Component placement should be carefully considered to
separate noisy circuits, such as clock signals and high speed
digital circuitry from analog circuitry.
The external loop filter components and components connected
to the COMP and R
SET
pins should be placed as close as possible
to and on the same side of the PCB as the ADV739x. Adding
vias to the PCB to get the components closer to the ADV739x is
not recommended.
It is recommended that the ADV739x be placed as close as
possible to the output connector, with the DAC output traces 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 ADV739x. The termination resistors should overlay the
PCB ground plane.
External filter and buffer components connected to the DAC
outputs should be placed as close as possible to the ADV739x 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 (R
SET
= 4.12 kΩ, R
L
= 300 Ω).
Power Supplies
It is recommended that a separate regulated supply be provided
for each power domain (V
AA
, V
DD
, V
DD_IO
, and PV
DD
). 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 V
AA
and PV
DD
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.
相關PDF資料 |
PDF描述 |
|---|---|
| ADV7391 | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7391BCPZ | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7391BCPZ-REEL | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7391EBZ | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7392 | Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7390WBCPZ | 功能描述:IC VIDEO ENCODER 10BIT 32LFCSP 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 應用:DVD，游戲控制臺，媒體播放器 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:32-WFQFN 裸露焊盤，CSP 供應商器件封裝:32-LFCSP-WQ（5x5） 標準包裝:1 |
| ADV7390WBCPZ-RL | 功能描述:Video Encoder IC DVD, Game Consoles, Media Players 32-LFCSP-WQ (5x5) 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 應用:DVD，游戲控制臺，媒體播放器 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:32-WFQFN 裸露焊盤，CSP 供應商器件封裝:32-LFCSP-WQ（5x5） 標準包裝:5,000 |
| ADV7391 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, Chip Scale 10-Bit SD/HD Video Encoder |
| ADV7391BCBZ-A-RL | 功能描述:視頻 IC RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| ADV7391BCPZ | 功能描述:IC ENCODER VIDEO W/DAC 32LFCSP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
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