ADG918

更新时间： 2024-11-17 22:39:03

品牌	Logo	应用领域
亚德诺 - ADI		复用器开关光电二极管
页数	文件大小	规格书
4页	121K
描述
Wideband, 43dB Isolation 1GHz, CMOS 1.65 V to 2.75V, 2:1 Mux/SPDT Switches

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ADG918 数据手册

PRELIMINARY TECHNICAL DATA

Wideband, 43dBIsolation@1GHz,

CMOS 1.65 V to 2.75V, 2:1 Mux/SPDT Switches

ADG918/ADG919

Preliminary Technical Data

FEATURES

Wideband DC to 2GHz

FUNCTIONAL BLOCK DIAGRAM

ADG918/ADG919 Absorptive/Reflective Switches

High Off Isolation (43 dB @ 1 GHz)

Low Insertion Loss (1 dB DC to 900 MHz)

Single 1.65 to 2.75 V power supply

CMOS/LVTTL Control Logic

ADG918

RF1

RF COMMON

CONTROL

50Ω

RF2

8 Lead MSOP & Tiny 3 x 3mm CSP Packages

Low Power Consumption (5µA)

50Ω

APPLICATIONS

WirelessCommunications

General Purpose RF switching

Dual Band Applications

Filter Selection

Antenna Switch

Digital Transceiver Front-End Switch

IF Switching

ADG919

RF1

RF2

RF COMMON

CONTROL

GENERAL DESCRIPTION

The ADG918/ADG919 are wideband switches using a

CMOS process to provide high isolation and low insertion

loss to 1GHz. The ADG918 is an absorptive switch

having 50 ohm terminated shunt legs, while the ADG919

is a reflective switch. These devices are designed such that

the isolation is high over the DC to 1GHz frequency

range. They have on board CMOS control logic, thus

eliminating the need for external controlling circuitry.

The control inputs are both CMOS and LVTTL

compatible. The low power consumption of these CMOS

devices makes them ideally suited to wireless applications

and general purpose high frequency switching.

Table 1. Truth Table

Signal Path

Control

RF2 to RF Common

RF1 to RF Common

Figure 1. Isolation vs Frequency

REV. PrC Sept 2002

Figure 2. Loss vs Frequency

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781/329-4700

www.analog.com

Fax: 781/326-8703

Analog Devices, Inc., 2002

12 3 4

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与ADG918相关器件

型号	品牌	获取价格	描述	数据表
ADG918_08	ADI	获取价格	Wideband 4 GHz, 43 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT
ADG918BCP	ADI	获取价格	Wideband, 43dB Isolation 1GHz, CMOS 1.65 V to 2.75V, 2:1 Mux/SPDT Switches
ADG918BCP-500RL7	ADI	获取价格	Wideband 4 GHz, 43 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT
ADG918BCP-500RL7	ROCHESTER	获取价格	0 MHz - 4000 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.25 dB INSERTION LOSS, 3 X 3 MM, CP-8-2,
ADG918BCP-REEL7	ADI	获取价格	Wideband 4 GHz, 43 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT
ADG918BCP-REEL7	ROCHESTER	获取价格	0 MHz - 4000 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.25 dB INSERTION LOSS, 3 X 3 MM, CP-8-2,
ADG918BCPZ-500RL7	ROCHESTER	获取价格	0 MHz - 4000 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.25 dB INSERTION LOSS, 3 X 3 MM, ROHS COM
ADG918BCPZ-500RL71	ADI	获取价格	Wideband 4 GHz, 43 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT
ADG918BCPZ-REEL7	ADI	获取价格	Wideband, 43 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT Switches
ADG918BCPZ-REEL7	ROCHESTER	获取价格	0 MHz - 4000 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.25 dB INSERTION LOSS, 3 X 3 MM, ROHS COM

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