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參數(shù)資料
| 型號： | PI5A100WE |
| 廠商： | Pericom |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH QUAD SPDT 16SOIC |
| 標(biāo)準(zhǔn)包裝： | 48 |
| 功能： | 開關(guān) |
| 電路： | 4 x SPDT |
| 導(dǎo)通狀態(tài)電阻： | 10 歐姆 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 2 V ~ 6 V |
| 電流 - 電源： | 1µA |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-SOIC |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1225 (CN2011-ZH PDF) |
10
PS7012H
08/30/04
PI5A100
Precision, Wide-Bandwidth, Quad SPDT Analog Switch
Applications
Audio Muting Function
Figure 8 shows the PI5A100 in an audio card muting application.
The original problem was one of excessive popping/clicking noise
appearing when connecting disconnecting external loads, and at
poweron/off.ThePI5A100performsamutingfunctionbygrounding
the outputs at power on/off and during the transition time. The
32 headset impedance demands a very low and very flat switch-
on resistance to reduce THD and signal loss.
Figure 10: The PI5A100 momentarily mutes the stereo outputs by connecting them to ground during transition times.
Paralleling two sections of the PI5A100 produces a Ron of 2.5
with an unsurpassed
±0.5 flatness.
To handle AC signals it was necessary to power the device with
±3V provided by two Zener diodes: Z1 and Z2. The select and
Enable control signals are shifted by using twpo 2.5VZener diodes
Z3,Z4 and pull down resistors connected to -3V.
Vcc
GND
Select
J2
J1
Z1/Z2 - Dual SMT 3.0V Zener
32!
22k!
2.5V
-3V
Stereo Audio
Output
2.5V
Z3
Z4
Enable
Z1
Z2
+5V
-5V
-3V
Stereo Audio
Input
From DAC
10k
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PI5A100WEX | 功能描述:模擬開關(guān) IC Quad SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關(guān)閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| PI5A100WX | 制造商:Pericom Semiconductor Corporation 功能描述:Analog Switch Quad SPDT 16-Pin SOIC T/R |
| PI5A101 | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Precision Wide-Bandwidth Analog Switch |
| PI5A101Q | 制造商:Pericom Semiconductor Corporation 功能描述: |
| PI5A101QE | 制造商:PERICOM 制造商全稱:Pericom Semiconductor Corporation 功能描述:Precision Wide-Bandwidth Analog Switch |
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