參數(shù)資料
型號(hào)： AD9927BBCZRL
廠商： ANALOG DEVICES INC
元件分類： 消費(fèi)家電
英文描述： 14-Bit CCD Signal Processor with V-Driver and Precision TimingTM Generator
中文描述： SPECIALTY CONSUMER CIRCUIT, BGA128
封裝： 9 X 9 MM, LEAD FREE, MO-225, CSP_BGA-128
文件頁(yè)數(shù)： 79/100頁(yè)
文件大?。?/td> 784K
代理商： AD9927BBCZRL
AD9927
V-Driver Power Supply Sequencing
When powering up the V-driver of the AD9927, it is important
to pay attention to the order that the various V-driver power
supplies are turned on. Particularly, a bias voltage of 2.3 V or
greater must be applied to the V5V pin prior to powering up the
VH and VL supplies. V5V is an internal voltage that eventually
rises to ~5.4 V after VH and VL are powered up; therefore, it
needs to be driven through a diode. A Schottky diode is
recommended to maximize the bias voltage on V5V. To ensure
proper operation, adhere to the following steps:
Rev. 0 | Page 79 of 100
1.
Connect VDD1 and VDD2 to a 3 V supply and keep V5V low.
2.
Perform any necessary writes to Registers 0x25 and 0x26
(VT_STBY12 and VT_STBY3, respectively) to define the
polarities of the V-driver outputs prior to powering up the
VH and VL supplies.
3.
Bring the signal driving the diode to V5V high. (Note that
a GPO output can be used for this operation.)
4.
After V5V reaches a minimum of 2.3 V, VH and VL can be
powered on. There are no restrictions to the order in which
VH and VL can be powered on at this time.
0
0V
V
DD
VL
V5V
VH
Figure 93. Suggested Power-Up Sequence for AD9927 V-Driver Supplies
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參數(shù)描述
AD9928 制造商:AD 制造商全稱:Analog Devices 功能描述:Dual Channel 14-Bit CCD Signal Processor with V-Driver and Precision Timing Generator
AD9928BBCZ 功能描述:IC CCD SIGNAL PROCESSR 128CSPBGA RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
AD9928BBCZ-60 制造商:Analog Devices 功能描述:- Trays
AD9928BBCZRL 功能描述:IC CCD SIGNAL PROCESSR 128CSPBGA RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064
AD9928XBCZ-60 功能描述:IC CCD SIGNAL PROCESSOR 制造商:analog devices inc. 系列:- 包裝:托盤 零件狀態(tài):上次購(gòu)買時(shí)間 類型:CCD 信號(hào)處理器，14 位 應(yīng)用:照相機(jī) 安裝類型:表面貼裝 封裝/外殼:128-LFBGA，CSPBGA 供應(yīng)商器件封裝:128-CSPBGA（9x9） 標(biāo)準(zhǔn)包裝:1
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