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參數(shù)資料
| 型號(hào)： | PS399ESEE |
| 廠商： | PERICOM SEMICONDUCTOR CORP |
| 元件分類： | 多路復(fù)用及模擬開關(guān) |
| 英文描述： | 4-CHANNEL, DIFFERENTIAL MULTIPLEXER, PDSO16 |
| 封裝： | 0.150 INCH, GREEN, SOIC-16 |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 207K |
| 代理商： | PS399ESEE |
10
PS8185F
09/28/04
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PS398/PS399
Precision 8-Ch, Diff. 4-Ch, 17V Analog Multiplexers
The table below shows how many time constants (m
τ) are
needed to reach an accuracy of one LSB.
τ = RON x CCOM(ON)
Bits
Accuracy (%)
m
8
0.25
6
12
0.012
9
15
0.0017
11
Now, let’s calculate what the maximum sampling rate for the
PS398. Assume a 12-bit accuracy and room temperature
operation.
Figure 10. Equivalent model of one multiplexer channel
VIN
RS
VS
CCOM(ON)
RON
CL
In equation (1) above, n = 8, tTRANS = 150ns, tSETTLING = 9
τ,
τ=100ohmx54pF
_______________________ ,
8 [150ns + 9(100ohm x 54pF)]
or fS = 630kHz.
Assuming a x4 oversampling rate, the maximum sampling speed
for the PS398 would be 630
÷4 = 157kHz.
f
S =
1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PS398ESEE | 8-CHANNEL, SGL ENDED MULTIPLEXER, PDSO16 |
| PS398CSEX | 8-CHANNEL, SGL ENDED MULTIPLEXER, PDSO16 |
| PS399CSE | 4-CHANNEL, DIFFERENTIAL MULTIPLEXER, PDSO16 |
| PS398ESEX | 8-CHANNEL, SGL ENDED MULTIPLEXER, PDSO16 |
| PS399ESEEX | 4-CHANNEL, DIFFERENTIAL MULTIPLEXER, PDSO16 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PS399ESEEX | 功能描述:多路器開關(guān) IC Precision Diff 4Ch 17V Analog RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 傳播延遲時(shí)間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| PS3B | 制造商:Datak Corporation 功能描述: |
| PS3B34513N | 制造商:PULSAR 功能描述: |
| PS3BC10 | 制造商:Hubbell Wiring Device-Kellems 功能描述:SUP BS-TRAK, BASE & COVER, 10 FT |
| PS3BC5 | 制造商:Hubbell Premise Wiring 功能描述:SUP BS-TRAK, BASE & COVER, 5 FT 制造商:Hubbell Wiring Device-Kellems 功能描述:Cable Accessories Super Base Trak 1524 mm |
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