AD8155 查看數據表（PDF） - Analog Devices

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AD8155

XStream™ 6.5 Gbps Dual Buffer Mux/Demux

Analog Devices 

AD8155

Table 20. Symbol Definitions

Symbol

Formula

IDC

Programmable

IPE

Programmable

ITTO

IDC + IPE

VDPP-DC

25 Ω × IDC × 2

VDPP-PE

25 Ω × ITTO × 2

VSW-DC

VSW-PE

∆VOCM_DC-COUPLED

∆VOCM_AC-COUPLED

VOCM

VH-DC

VL-DC

VH-PE

VL-PE

VDPP-DC/2 = VH-DC – VL-DC

VDPP-PE/2 = VH-PE – VL-PE

25 Ω × ITTO/2

50 Ω × ITTO/2

VTTO − ∆VOCM = ( VH-DC + VL-DC )/2

VTTO − ∆VOCM + VDPP-DC/2

VTTO − ∆VOCM − VDPP-DC/2

VTTO − ∆VOCM + VDPP-PE/2

VTTO − ∆VOCM − VDPP-PE/2

Definition

Output current that sets output level

Output current for PE delayed tap

Total transmitter output current

Peak-to-peak differential voltage swing of

nonpreemphasized waveform

Peak-to-peak differential voltage swing of preemphasized

waveform

DC single-ended voltage swing

Preemphasized single-ended voltage swing

Output common-mode shift, dc-coupled outputs

Output common-mode shift, ac-coupled outputs

Output common-mode voltage

DC single-ended output high voltage

DC single-ended output low voltage

Maximum single-ended output voltage

Minimum single-ended output voltage

VTTO

VOCM

VH-DC

VH-PE

VSW-DC VSW-PE

tPE

Figure 46. VH, VL, and VOCM

VL-DC

VL-PE

Rev. 0 | Page 29 of 36

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