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ADG901BCPZ-500RL7 REEL 数据手册 - ADI（亚德诺）
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ADG901BCPZ-500RL7 REEL数据手册
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Wideband, 40 dB Isolation at 1 GHz, CMOS
1.65 V to 2.75 V, SPST Switches
Data Sheet
ADG901/ADG902
Rev. C Document Feedback
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. Specifications subject to change without notice. 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 owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2005–2016 Analog Devices, Inc. All rights reserved.
Technical Support www.analog.com
FEATURES
Wideband switch: −3 dB at 4.5 GHz
ADG901—absorptive switch
ADG902—reflective switch
High off isolation: 40 dB at 1 GHz
Low insertion loss: 0.8 dB at 1 GHz
Single 1.65 V to 2.75 V power supply
CMOS/LVTTL control logic
8-lead MSOP and tiny 3 mm × 3 mm LFCSP packages
Low power consumption (<1 μA)
APPLICATIONS
Wireless communications
General purpose RF switching
Dual-band applications
High speed filter selection
Digital transceiver front-end switch
IF switching
Tuner modules
Antenna diversity switching list
FUNCTIONAL BLOCK DIAGRAM
ADG901
RF2RF1
CTRL
50W50W
ADG902
RF2RF1
CTRL
03336-001
Figure 1.
GENERAL DESCRIPTION
The ADG901/ADG902 are wideband switches that use a CMOS
process to provide high isolation and low insertion loss to 1 GHz.
The ADG901 is an absorptive (matched) switch with 50 Ω
terminated shunt legs, while the ADG902 is a reflective switch.
These devices are designed such that the isolation is high over
the dc to 1 GHz 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 applica-
tions and general-purpose high frequency switching.
PRODUCT HIGHLIGHTS
1. −40 dB Off Isolation at 1 GHz
2. 0.8 dB Insertion Loss at 1 GHz
3. Tiny 8-Lead MSOP/LFCSP Packages
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
10k 100k 100M1M 10M 1G
10G
03336-002
FREQUENCY (Hz)
ISOLATION (dB)
V
DD
= 2.5V
V
DD
= 1.8V
T
A
= 25C
Figure 2. Off Isolation vs. Frequency
–3.0
–2.8
–2.2
–1.6
–1.2
–3.0
–2.6
–2.4
–2.0
–1.8
–1.4
–1.0
–0.8
–0.6
–0.4
10k 100k 100M1M 10M 1G 10G
03336-003
FREQUENCY (Hz)
INSERTION LOSS (dB)
V
DD
= 2.5V
T
A
= 25C
Figure 3. Insertion Loss vs. Frequency
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