R
參數(shù)資料
型號(hào)： AD8106ASTZ
廠商： Analog Devices Inc
文件頁數(shù)： 9/28頁
文件大?。?/td> 0K
描述： IC CROSSPOINT SWITCH 16X5 80LQFP
標(biāo)準(zhǔn)包裝： 1
功能： 視頻交叉點(diǎn)開關(guān)
電路： 1 x 16:5
電壓電源： 雙電源
電壓 - 電源，單路/雙路(±)： ±4.5 V ~ 5.5 V
電流 - 電源： 30mA
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 80-LQFP
供應(yīng)商設(shè)備封裝： 80-LQFP（12x12）
包裝： 托盤
AD8106/AD8107
Rev. 0 | Page 17 of 28
Figure 46 illustrates this concept for a 32 × 5 crosspoint array.
AD8106
OR
AD8107
16
RTERM
IN 00–15
AD8106
OR
AD8107
16
IN 16–31
5
0
57
74
-04
7
Figure 46. A 32 × 5 Crosspoint Array Using Two AD8106s or Two AD8107s
The inputs are uniquely assigned to each of the 32 inputs of the
two devices and terminated appropriately. The outputs are wire-
OR’ed together in pairs. The output from only one of a wire-OR’ed
pair should be enabled at any given time. The device program-
ming software must be properly written to cause this to happen.
At some point, the number of outputs that are wire-OR’ed becomes
too great to maintain system performance. This varies according
to which system specifications are most important. It also
depends on whether the matrix consists of AD8106s or AD8107s.
The output disabled impedance of the AD8106 is much
higher than that of the AD8107. As a result, its disabled
parasitics have a smaller effect on the one output that is
enabled. For example, a 128 × 5 crosspoint can be created
with eight AD8106s/AD8107s. This design has 128 separate
inputs and the corresponding outputs of each device wire-
OR’ed together in groups of eight.
Using additional crosspoint devices in the design can lower the
number of outputs that must be wire-OR’ed together. Figure 47
shows a block diagram of a system using eight AD8106s and
two AD8107s to create a nonblocking, gain-of-two, 128 × 5
crosspoint that restricts the wire-OR’ing at the output to only
four outputs.
Additionally, by using the lower four outputs from each of the
two Rank 2 AD8107s, a blocking 128 × 10 crosspoint array can
be realized. There are, however, some drawbacks to this technique.
The offset voltages of the various cascaded devices accumulate
and the bandwidth limitations of the devices compound. The
extra devices also consume more current and take up more
board space. Once again, the overall system design specifica-
tions determine which tradeoffs should be made.
5
RANK 2
16:8 NONBLOCKING
(16:16 BLOCKING)
RANK 1
(8 × AD8106)
128:16
5
AD8107
AD8106
OUT 00–04
NONBLOCKING
ADDITIONAL
5 OUTPUTS
(SUBJECT TO
BLOCKING)
1k
05
77
4-
0
48
5
16
IN 00–15
RTERM
16
IN 16–31
RTERM
16
IN 32–47
RTERM
16
IN 48–63
RTERM
16
IN 64–79
RTERM
16
IN 80–95
RTERM
16
IN 96–111
RTERM
16
IN 112–127
RTERM
Figure 47. A Gain-of-Two 128 × 5 Nonblocking Crosspoint Array (128 × 10 Blocking)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8106-EB 制造商:AD 制造商全稱:Analog Devices 功能描述:260 MHz, 16 】 5 Buffered Video Crosspoint Switches
AD8107 制造商:AD 制造商全稱:Analog Devices 功能描述:260 MHz, 16 】 5 Buffered Video Crosspoint Switches
AD8107ASTZ 功能描述:IC CROSSPOINT SWITCH 16X5 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:- 其它有關(guān)文件:STG4159 View All Specifications 標(biāo)準(zhǔn)包裝:5,000 系列:- 功能:開關(guān) 電路:1 x SPDT 導(dǎo)通狀態(tài)電阻:300 毫歐 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±1.65 V ~ 4.8 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:7-WFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:7-覆晶 包裝:帶卷 (TR)
AD8107-EB 制造商:AD 制造商全稱:Analog Devices 功能描述:260 MHz, 16 】 5 Buffered Video Crosspoint Switches
AD8108 制造商:AD 制造商全稱:Analog Devices 功能描述:325 MHz, 8 x 8 Buffered Video Crosspoint Switches
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