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參數(shù)資料
| 型號(hào)： | AD8153-EVALZ |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 3.2 Gbps Single Buffered Mux/Demux Switch |
| 中文描述： | 3.2 Gbps的單緩沖/解復(fù)用器開關(guān) |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 587K |
| 代理商： | AD8153-EVALZ |
AD8153
OUTPUT COMPLIANCE
Figure 40 is a graphical depiction of the single-ended waveform
at the output of the AD8153. The common-mode level (V
OCM
)
and the amplitude (V
OSE
) of this waveform are a function of the
output tail current (I
T
), the output termination supply voltage
(V
TTO
), the topology of the far-end receiver, and whether ac- or
dc-coupling is used. Keep in mind that the output tail current
varies with the pre-emphasis level. The user must ensure that
the high (V
H
) and low (V
L
) voltage excursions at the output are
within the single-ended absolute voltage range limits as
specified in Table 1. Failure to understand the implications of
output signal levels and the choice of ac- or dc-coupling may
lead to transistor saturation and poor transmitter performance.
Rev. 0 | Page 21 of 24
Table 9 shows an example calculation of the output levels for the
typical case, where V
CC
= V
TTO
= 3.3 V, with 50
Ω
far-end
terminations to a 3.3 V supply.
0
V
OCM
V
H
V
L
V
OSE-DC
V
OSE-BOOST
V
TTO
~320ps
Figure 40. Single-Ended Output Waveform
Table 9. Output Voltage Levels
PE Setting
I
T
(mA)
0
16
1
20
2
24
3
28
V
OSE-DC
(mV p-p)
400
400
400
400
V
OSE-BOOST
(mV p-p)
400
500
600
700
DC-Coupled
V
H
(V)
3.3
3.3
3.3
3.3
AC-Coupled
V
H
(V)
3.1
3.05
3
2.95
V
OCM
(V)
3.1
3.05
3
2.95
V
L
(V)
2.9
2.8
2.7
2.6
V
OCM
(V)
2.9
2.8
2.7
2.6
V
L
(V)
2.7
2.55
2.4
2.25
Table 10. Symbol Definitions
Symbol
V
OSE-DC
Formula
Definition
Single-ended output voltage swing after settling
Ω
×
Ω
=
25
0
PE
×
25
T
I
V
OSE-BOOST
T
I
Boosted single-ended output voltage swing
V
OCM
(dc-coupled)
Ω
×
25
2
I
T
TTO
V
I
Common-mode voltage when the output is dc-coupled
V
OCM
(ac-coupled)
Ω
×
50
2
T
TTO
V
Common-mode voltage when the output is ac-coupled
V
H
V
OCM
+ V
OSE-BOOST
/2
High single-ended output voltage excursion
V
L
V
OCM
- V
OSE-BOOST
/2
Low single-ended output voltage excursion
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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) |
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