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| 型号： | ADG918BRMZ-REEL7 |
| 厂商： | ANALOG DEVICES INC |
| 元件分类： | 开关 |
| 英文描述： | 0 MHz - 4000 MHz RF/MICROWAVE DIVERSITY SWITCH, 1.25 dB INSERTION LOSS |
| 封装： | ROHS COMPLIANT, RM-8, MO-187AA, MSOP-8 |
| 文件页数： | 1/16页 |
| 文件大小： | 564K |
| 代理商： | ADG918BRMZ-REEL7 |
Wideband 4 GHz, 43 dB Isolation at 1 GHz,
CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT
ADG918/ADG919
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2003–2008 Analog Devices, Inc. All rights reserved.
FEATURES
Wideband switch: 3 dB @ 4 GHz
Absorptive/reflective switches
High off isolation (43 dB @ 1 GHz)
Low insertion loss (0.8 dB @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
FUNCTIONAL BLOCK DIAGRAMS
RF2
RF1
CTRL
ADG918
RFC
50
ADG919
RF2
RF1
CTRL
RFC
0
33
35
-0
01
Figure 1.
GENERAL DESCRIPTION
The ADG918/ADG919 are wideband switches using a CMOS
process to provide high isolation and low insertion loss to
1 GHz. The ADG918 is an absorptive (matched) switch having
50 Ω terminated shunt legs, whereas the ADG919 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 and
general-purpose high frequency switching applications.
PRODUCT HIGHLIGHTS
1.
–43 dB off isolation @ 1 GHz.
2.
0.8 dB insertion loss @ 1 GHz.
3.
Tiny 8-lead MSOP/LFCSP packages.
FREQUENCY (Hz)
10k
100k
1M
10M
100M
1G
10G
–100
–90
–70
–60
–50
–40
–30
–80
–20
–10
0
IS
O
L
A
TION
(
d
B
)
S21
VDD = 2.5V
TA = 25°C
S12
03
33
5-
00
3
Figure 2. Off Isolation vs. Frequency
FREQUENCY (Hz)
10k
100k
1M
10M
100M
1G
10G
–3.2
–2.8
–2.6
–2.4
–2.2
–1.8
–1.6
–1.4
–1.2
–1.0
–2.0
–3.0
–0.8
–0.6
–0.4
INS
E
RT
IO
N
L
O
S
(
d
B)
VDD = 2.5V
TA = 25°C
03
33
5-
0
04
Figure 3. Insertion Loss vs. Frequency
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADG918BRMZ-REEL71 | 制造商:AD 制造商全称:Analog Devices 功能描述:Wideband 4 GHz, 43 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 2:1 Mux/SPDT |
| ADG919 | 制造商:AD 制造商全称:Analog Devices 功能描述:Wideband, 43dB Isolation 1GHz, CMOS 1.65 V to 2.75V, 2:1 Mux/SPDT Switches |
| ADG919BCP | 制造商:Analog Devices 功能描述:RF SWIT SPDT 0MHZ TO 4GHZ 36DB 8LFCSP EP - Rail/Tube |
| ADG919BCP-500RL7 | 制造商:Rochester Electronics LLC 功能描述:1GHZ 2:1 MUX (REFLECTIVE) I.C. - Bulk 制造商:Analog Devices 功能描述: |
| ADG919BCP-REEL7 | 制造商:Rochester Electronics LLC 功能描述:1GHZ 2:1 MUX (REFLECTIVE) I.C. - Tape and Reel 制造商:Analog Devices 功能描述: |
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