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參數資料
| 型號： | TS3A4742DCNR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 多路復用及模擬開關 |
| 英文描述： | DUAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO8 |
| 封裝： | GREEN, SOT-23, 8 PIN |
| 文件頁數： | 17/18頁 |
| 文件大?。?/td> | 626K |
| 代理商： | TS3A4742DCNR |
www.ti.com
APPLICATION INFORMATION
Logic Inputs
Analog Signal Levels
Layout
0.9-
LOW-VOLTAGE SINGLE-SUPPLY
DUAL SPST ANALOG SWITCHES
SCDS228D – AUGUST 2006 – REVISED JANUARY 2008
Proper power-supply sequencing is recommended for all CMOS devices. Do not exceed the absolute maximum
ratings, because stresses beyond the listed ratings can cause permanent damage to the device. Always
sequence V+ on first, followed by NO, NC, or COM.
Although it is not required, power-supply bypassing improves noise margin and prevents switching noise
propagation from the V+ supply to other components. A 0.1-F capacitor, connected from V+ to GND, is
adequate for most applications.
The TS3A4741 logic inputs can be driven up to 3.6 V, regardless of the supply voltage. For example, with a
1.8-V supply, IN may be driven low to GND and high to 3.6 V. Driving IN rail to rail minimizes power
consumption.
Analog signals that range over the entire supply voltage (V+ to GND) can be passed with very little change in ron
(see Typical Operating Characteristics). The switches are bidirectional, so the NO, NC, and COM pins can be
used as either inputs or outputs.
High-speed switches require proper layout and design procedures for optimum performance. Reduce stray
inductance and capacitance by keeping traces short and wide. Ensure that bypass capacitors are as close to the
device as possible. Use large ground planes where possible.
8
Copyright 2006–2008, Texas Instruments Incorporated
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相關代理商/技術參數 |
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| TS3A4742DGKR | 功能描述:模擬開關 IC 0.8O Lo-Vltg Sgl-Spy Dual SPST Ana Sw RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| TS3A4742DGKRG4 | 功能描述:模擬開關 IC 0.8O Lo-Vltg Sgl-Spy Dual SPST Ana Sw RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| TS3A4751 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:0.9-ohm LOW-VOLTAGE SINGLE-SUPPLY QUAD SPST ANALOG SWITCH |
| TS3A4751_10 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:0.9-?? LOW-VOLTAGE SINGLE-SUPPLY QUAD SPST ANALOG SWITCH |
| TS3A4751PWR | 功能描述:模擬開關 IC 0.9OhmLoVltgSnglSply Quad SPST Anlg Sw RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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