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參數(shù)資料
| 型號： | AS1741H-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | 數(shù)據(jù)轉換 |
| 英文描述： | Dual 0.8? SPST Switch; Package Type: SOT23-8 |
| 中文描述： | 高速，低電壓，單電源，0.8歐姆，雙路SPST模擬開關 |
| 封裝： | SOT23-8 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 448K |
| 代理商： | AS1741H-T |
AS1741, AS1742, AS1743
High-Speed, Low-Voltage, Single-Supply, 0.8
Ω
,
Dual SPST Analog Switches
1 General Description
Data Sheet
www.austriamicrosystems.com
Revision 1.78
1 - 15
The AS1741/AS1742/AS1743 are high-speed, low-volt-
age, dual single-pole/single-throw (SPST) analog
switches.
Fast switching speeds, low ON-resistance, and low
power-consumption make these devices ideal for single-
cell battery powered applications.
These highly-reliable devices operate from a single +1.6
to +3.6V supply, and are differentiated by the type and
number of switches as listed in
Table 1
.
Table 1. Standard Products
The AS1743 supports break-before-make switching.
With very low ON-resistance (R
ON
), R
ON
matching, and
R
ON
flatness, the devices can accurately switch signals
for sample and hold circuits, digital filters, and op-amp
gain switching networks.
The AS1741/AS1742/AS1743 digital logic input is 1.8V
CMOS-compatible when using a single +3V supply, and
all devices can handle Rail-to-Rail signals.
The devices are available in an 8-pin MSOP package
and an 8-pin SOT23 package.
Figure 1. MSOP Block Diagrams
2 Key Features
!
ON-Resistance:
- 0.8
Ω
(+3V supply)
- 2.5
Ω
(+1.8V supply)
!
R
ON
Matching: 0.08
Ω
(+3V supply)
!
R
ON
Flatness: 0.18
Ω
(+3V supply)
!
Supply Voltage Range: +1.6 to +3.6V
!
Switching Action: t
ON
= 22ns, t
OFF
= 14ns
!
Current-Handling: 250mA Continuous
!
Break-Before-Make Switching (AS1743)
!
Rail-to-Rail Signal Handling
!
1.8V CMOS Logic Compatible (+3V supply)
!
Total Harmonic Distortion: 0.03%
!
Operating Temperature Range: -40 to +85oC
!
Package Types:
- 8-pin MSOP
- 8-pin SOT23
3 Applications
The devices are ideal for use in power routing systems,
cordless and mobile phones, MP3 players, CD and DVD
players, PDAs, handheld computers, digital cameras,
hard drives, and any other application where high-speed
signal switching is required.
Model
Switch Types
AS1741
Two Normally Open (NO) Switches
AS1742
Two Normally Closed (NC) Switches
AS1743
One NO Switch and One NC Switch
AS1741
AS1743
AS1742
NO1
COM1
IN2
GND
V+
IN1
COM2
NO2
NC1
COM1
IN2
GND
V+
IN1
COM2
NC2
NC2
V+
IN1
COM2
NO1
COM1
IN2
GND
相關PDF資料 |
PDF描述 |
|---|---|
| AS1742G-T | Dual 0.8Ω SPST Switch; Package Type: MSOP-8 |
| AS1742H-T | Dual 0.8Ω SPST Switch; Package Type: SOT23-8 |
| AS1743G-T | Dual 0.8Ω SPST Switch NO/NC; Package Type: MSOP-8 |
| AS1743H-T | Dual 0.8Ω SPST Switch NO/NC; Package Type: SOT23-8 |
| AS1745G-T | Dual 4Ω SPDT Switch NO/NC; Package Type: MSOP-10 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| AS1742 | 制造商:AMS 功能描述:AS Series SPST 3.6 V 0.8 Ohm SMT High-Speed Dual Analog Switch - MSOP-8 |
| AS1742G | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數(shù)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 |
| AS1742G-T | 功能描述:IC SWITCH DUAL SPST 8-MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關，多路復用器，多路分解器 系列:- 其它有關文件:STG4159 View All Specifications 標準包裝:5,000 系列:- 功能:開關 電路:1 x SPDT 導通狀態(tài)電阻:300 毫歐 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±1.65 V ~ 4.8 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:7-WFBGA，F(xiàn)CBGA 供應商設備封裝:7-覆晶 包裝:帶卷 (TR) |
| AS1742H-T | 功能描述:IC SWITCH DUAL SPST SOT23-8 RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關，多路復用器，多路分解器 系列:- 其它有關文件:STG4159 View All Specifications 標準包裝:5,000 系列:- 功能:開關 電路:1 x SPDT 導通狀態(tài)電阻:300 毫歐 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±1.65 V ~ 4.8 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:7-WFBGA，F(xiàn)CBGA 供應商設備封裝:7-覆晶 包裝:帶卷 (TR) |
| AS1743 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:High-Speed, Low-Voltage, Single-Supply, 0.8-ohm, Dual SPST Analog Switches |
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