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參數(shù)資料
| 型號： | AD8155ACPZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 16/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MUX/DEMUX DUAL BUFFER 64LFCSP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | XStream™ |
| 功能： | 多路復(fù)用器/多路分解器 |
| 電路： | 2 x 2:1 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 1.6 V ~ 3.6 V |
| 電流 - 電源： | 735mA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 64-VFQFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 64-LFCSP-VQ（9x9） |
| 包裝： | 托盤 |
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AD8155
Rev. 0 | Page 23 of 36
Power Saving Considerations
Whereas the AD8155 power consumption is very low compared
to similar devices, careful control of its operating conditions can
yield further power savings. Significant power reduction can be
realized by operating the part at a lower voltage. Compared to
3.3 V operation, a supply voltage of 1.8 V can result in power
savings of ~45%. There is no performance penalty when oper-
ting at lower voltage. An initialization sequence is required to
enable the AD8155 in a low power mode (see the Applications
Information section).
A second measure is to disable transmitters when they are not
being used. This can be done on a static basis if the output is
not used or on a dynamic basis if the output does not have a
constant stream of traffic. On transmit disable (Register 0x48,
Register 0x88, Register 0xC8), both the predriver and output
switch currents are disabled. The LOS-activated squelch
disables only the output switch current, ITOT. Superior power
saving is achieved by using the TX and RX disable registers to
turn off an unused lane as opposed to relying on the AD8155
transmit squelch feature.
Because the majority of the power dissipated is in the output
stage, some of its flexibility can be used to lower the power
consumption. First, the output current and output preemphasis
settings can be programmed to the smallest amount required to
maintain BER performance. If an output circuit always has a
short length and the receiver has good sensitivity, then a lower
output current can be used.
It is also possible to lower the voltage on VTTO to lower the
power dissipation. The amount that VTTO can be lowered is
dependent on the lowest of all the output’s VOL and VCC. This
is determined by the output that is operating at the highest
output levels.
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| AD8155ACPZ-R7 | 功能描述:IC MUX/DEMUX DUAL BUFFER 64LFCSP 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:XStream™ 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) |
| AD8155-EVALZ | 制造商:AD 制造商全稱:Analog Devices 功能描述:6.5 Gbps Dual Buffer Mux/Demux |
| AD8155XCPZ | 制造商:Analog Devices 功能描述: |
| AD8156 | 制造商:AD 制造商全稱:Analog Devices 功能描述:6.25 Gbps 4】4 Digital Crosspoint Switch with EQ |
| AD8156ABCZ | 功能描述:IC SWITCH XPT 4X4 W/EQ 49CSPBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:XStream™ 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
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