- 您現(xiàn)在的位置：買(mǎi)賣(mài)IC網(wǎng) > PDF目錄97874 > EDGE4707B Edge4707B PPMU Settling Time & Stability (224k) PDF資料下載
參數(shù)資料
| 型號(hào)： | EDGE4707B |
| 英文描述： | Edge4707B PPMU Settling Time & Stability (224k) |
| 中文描述： | Edge4707B PPMU建立時(shí)間 |
| 文件頁(yè)數(shù)： | 3/13頁(yè) |
| 文件大小： | 224K |
| 代理商： | EDGE4707B |
第1頁(yè)第2頁(yè)當(dāng)前第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)
11
TEST AND MEASUREMENT PRODUCTS
www .semtech.com
PMU-A2
Edge4707B PPMU
Settling Time and Stability
Revision 1 / November 8, 2002
0
0.5
1
1.5
2
2.5
3
1.E+02
1.E+03
1.E+04
1.E+05
Load capacitance (pF)
Range A
Range B
Range C
Range D
Figure 8. Overshoot as a Function of Force Output Load Capacitance for
COMP1-2=22pF and COMP4=47pF, Step Amplitude = 10V.
Examples
Given all the information above, the question now is how
to choose the optimum compensation capacitors for a
given application. Below are a couple of examples of how
to go about this.
Example1:
What compensation capacitors should be used to get the
fastest overall settling time in a test system with less than
200pF of capacitance on the DUT node while keeping the
overshoot at the DUT to less than 700mV with step sizes
as large as 10V?
Since the load capacitance is less than 200pF, Figure 8
shows that Range B will probably have the worst overshoot.
The overshoot number sin Table 4 confirm this and show
three compensation capacitor combinations which will
satisfy this requirement:
COMP1-2=47pF and
COMP4=100pF, COMP1-2=100pF and COMP4=47pF,
COMP1-2=100pF and COMP4=100pF.
Since the
overshoot using COMP1-2=100pF and COMP4=47pF is
only slightly below the 0.7V limit, this option should be
discarded as not having enough safety margin. The tables
in Appendix 1 show that the settling times using
COMP1-2=47 pF and COMP4=100pF are slightly faster
than with COMP1-2=100pF (this difference will be greater
with smaller step sizes), so COMP1-2=47pF is the
preferred value. (Note: to further reduce the amount of
overshoot, increasing the COMP4 value should be tried
first since Table 4 indicates that increasing this capacitor
has a larger effect on the amount of overshoot than the
COMP1-2 capacitor.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EDI22AG27264V10D3 | 2x64Kx72, 3.3V Synchronous/Synchronous Burst SRAM Module(2x64Kx72, 3.3V，10ns,同步/同步脈沖靜態(tài)RAM模塊) |
| EDI22AG27264V12D4 | 2x64Kx72, 3.3V Synchronous/Synchronous Burst SRAM Module(2x64Kx72, 3.3V，12ns,同步/同步脈沖靜態(tài)RAM模塊) |
| EDI22AG27264V85D1 | 2x64Kx72, 3.3V Synchronous/Synchronous Burst SRAM Module(2x64Kx72, 3.3V，8.5ns,同步/同步脈沖靜態(tài)RAM模塊) |
| EDI22AG27264V9D2 | 2x64Kx72, 3.3V Synchronous/Synchronous Burst SRAM Module(2x64Kx72, 3.3V，9ns,同步/同步脈沖靜態(tài)RAM模塊) |
| EDI2AG272128V-D1 | SSRAM Modules |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EDGE4717D | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Quad Channel, Per Pin Precision Measurement Unit |
| EDGE629 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:1 GHz Timing Deskew and Quad Fanout Element |
| EDGE6420 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Per-Pin Electronics Companion DAC |
| EDGE6435 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Per-Pin Electronics Companion DAC |
| EDGE6436 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Per-Pin Electronics Companion DAC |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。