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參數(shù)資料
| 型號： | ADG3245 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 2.5 V/3.3 V, 8-Bit, 2-Port Level Translating, Bus Switch |
| 中文描述： | 2.5 V/3.3五，8位，2端口級翻譯，總線開關(guān) |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 333K |
| 代理商： | ADG3245 |
Preliminary Technical Data
PRELIMINARY TECHNICAL DATA
REV. Pr
E
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
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
registered trademarks are the property of their respective companies.
ADG3245
2.5 V/3.3 V, 8-Bit, 2-Port
Level Translating, Bus Switch
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/326-8703
2003 Analog Devices, Inc. All rights reserved.
www.analog.com
FEATURES
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
20-Lead TSSOP and LFCSP Packages
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
Bus Switching
Bus Isolation
Hot Swap
Hot Plug
Analog Switch Applications
FUNCTIONAL BLOCK DIAGRAM
BE
A0
B0
A7
B7
GENERAL DESCRIPTION
The ADG3245 is a 2.5 V or 3.3 V, 8-bit, 2-port digital switch.
It is designed on Analog Devices’ low voltage CMOS process,
which provides low power dissipation yet gives high switching
speed and very low on resistance, allowing inputs to be connected
to outputs without additional propagation delay or generating
additional ground bounce noise.
The switches are enabled by means of the Bus Enable (
BE
) input
signal. These digital switches allow bidirectional signals to be
switched when ON. In the OFF condition, signal levels up to
the supplies are blocked.
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 a 2.5 V supply and 2.5 V inputs are applied, the
device will translate the outputs to 1.8 V. In addition to this, a
level translating select pin (
SEL
) is included. When
SEL
is low,
V
CC
is reduced internally, allowing for level translation between
3.3 V inputs and 1.8 V outputs. This makes the device suited to
applications requiring level translation between different supplies,
such as converter to DSP/microcontroller interfacing.
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. Level/voltage translation
5. 20-lead TSSOP and LFCSP (4 mm
×
4 mm) packages
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ADG3246 | 2.5 V/3.3 V, 10-Bit, 2-Port Level Translating, Bus Switch |
| ADG3246BCP | 2.5 V/3.3 V, 10-Bit, 2-Port Level Translating, Bus Switch |
| ADG3246BRU | 2.5 V/3.3 V, 10-Bit, 2-Port Level Translating, Bus Switch |
| ADG3247BCP | 2.5 V/3.3 V, 16-Bit, 2-Port Level Translating, Bus Switch |
| ADG3247BRU | 2.5 V/3.3 V, 16-Bit, 2-Port Level Translating, Bus Switch |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADG3245BCP | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| ADG3245BCP-REEL7 | 制造商:Rochester Electronics LLC 功能描述:2.2V/3.3V,8 BIT,2 PORT BUS SW/TRANS - Tape and Reel |
| ADG3245BCPZ | 功能描述:IC SW BUS 2.5-3.3V 8BIT 20LFCSP RoHS:是 類別:集成電路 (IC) >> 邏輯 - 信號開關(guān)，多路復(fù)用器，解碼器 系列:- 標(biāo)準(zhǔn)包裝:48 系列:74VHC 類型:多路復(fù)用器 電路:4 x 2:1 獨(dú)立電路:1 輸出電流高，低:8mA，8mA 電壓電源:單電源 電源電壓:2 V ~ 5.5 V 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 |
| ADG3245BRU | 功能描述:IC SW BUS 2.5/3.3V 8BIT 20TSSOP RoHS:否 類別:集成電路 (IC) >> 邏輯 - 信號開關(guān)，多路復(fù)用器，解碼器 系列:- 標(biāo)準(zhǔn)包裝:48 系列:74VHC 類型:多路復(fù)用器 電路:4 x 2:1 獨(dú)立電路:1 輸出電流高，低:8mA，8mA 電壓電源:單電源 電源電壓:2 V ~ 5.5 V 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 |
| ADG3245BRU-REEL7 | 制造商:Analog Devices 功能描述:Bus Switch 1-Element CMOS 8-IN 20-Pin TSSOP T/R 制造商:Analog Devices 功能描述:BUS SWIT 1-ELEM 8-IN 20TSSOP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:2.2V/3.3V,8 BIT,2 PORT BUS SW/TRANS - Tape and Reel |
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