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參數(shù)資料
| 型號(hào)： | ADG3249BRJ-REEL |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 2.5 V/3.3 V, 2:1 Multiplexer/ Demultiplexer Bus Switch |
| 中文描述： | 2-CHANNEL, SGL ENDED MULTIPLEXER, PDSO8 |
| 封裝： | MO-178BA, SOT-23, 8 PIN |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大?。?/td> | 220K |
| 代理商： | ADG3249BRJ-REEL |
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use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
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ADG3249
2.5 V/3.3 V, 2:1 Multiplexer/
Demultiplexer Bus Switch
Tel: 781/329-4700 Fax: 781/326-8703
www.analog.comFEATURES
225 ps Propagation Delay through the Switch
4.5
Switch Connection between Ports
Data Rate 1.244 Gbps
2.5 V/3.3 V Supply Operation
Selectable Level Shifting/Translation
Level Translation
3.3 V to 2.5 V
3.3 V to 1.8 V
2.5 V to 1.8 V
Small Signal Bandwidth 610 MHz
8-Lead SOT-23 Package
APPLICATIONS
3.3 V to 1.8 V Voltage Translation
3.3 V to 2.5 V Voltage Translation
2.5 V to 1.8 V Voltage Translation
Docking Stations
Memory Switching
Analog Switch Applications
FUNCTIONAL BLOCK DIAGRAM
EN
ADG3249
A0
A1
B
CONTROL
LOGIC
IN
GENERAL DESCRIPTION
The ADG3249 is a 2.5 V or 3.3 V, high performance 2:1 multi-
plexer/demultiplexer bus switch. It is designed on a low voltage
CMOS process, which provides low power dissipation yet gives
high switching speed and very low on resistance. This allows the
input to be connected to the output without additional propaga-
tion delay or generating additional ground bounce noise.
Each switch of the ADG3249 conducts equally well in both direc-
tions when on. The ADG3249 exhibits break-before-make
switching action, preventing momentary shorting when switch-
ing channels.
This device is ideal for applications requiring level translation.
When operated from a 3.3 V supply, level translation from
3.3 V inputs to 2.5 V outputs is allowed. Similarly, if the device
is operated from 2.5 V supply and 2.5 V inputs are applied, the
device will translate the outputs to 1.8 V. In addition, a level
translating pin (
SEL
) is included. When
SEL
is low, V
CC
is
reduced internally, allowing for level translating between 3.3 V
inputs and 1.8 V outputs.
The ADG3249 is available in a tiny 8-lead SOT-23 package.
PRODUCT HIGHLIGHTS
1. 3.3 V or 2.5 V supply operation.
2. Extremely low propagation delay through switch.
3. 4.5
switches connect inputs to outputs.
4. Tiny SOT-23 package.
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| ADG3257 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Speed, 3.3 V/5 V Quad 2:1 Mux/Demux (4-Bit, 1 of 2) Bus Switch |
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