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參數(shù)資料
| 型號(hào)： | PS399ESE |
| 英文描述： | 4-Channel Analog Multiplexer |
| 中文描述： | 4通道模擬多路復(fù)用器 |
| 文件頁(yè)數(shù)： | 10/10頁(yè) |
| 文件大?。?/td> | 342K |
| 代理商： | PS399ESE |
10
PS8185C 10/06/99
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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
= R
ON
x C
COM(ON)
Bits
8
12
15
Accuracy (%)
0.25
0.012
0.0017
m
6
9
11
Now, lets 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
V
IN
R
S
V
S
C
COM
(ON)
R
ON
C
L
In equation (1) above, n = 8, t
TRANS
= 150ns, t
SETTLING
= 9
τ
,
τ
= 100ohm x 54pF
________ 1
8 [150ns + 9(100ohm
x 54pF)]
or f
S
= 630kHz.
Assuming a x4 oversampling rate, the maximum sampling speed
for the PS398 would be 630
÷
4 = 157kHz.
S
Pericom Semiconductor Corporation
2380 Bering Drive San Jose, CA 95131 1-800-435-2336 Fax (408) 435-1100 http://www.pericom.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PS398 | Analog | 8-Channel Mux |
| PS399 | Analog | 4-Channel Differential Mux |
| PS4008 | |
| PS401 | Optoelectronic |
| PS4012 | PHOTOTRANSISTOR | NPN | 880NM PEAK WAVELENGTH | 30M | LED-2H |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PS399ESEE | 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 |
| 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 |
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