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參數(shù)資料
| 型號： | ADG904BRUZ-REEL7 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MULTIPLEXER 4X1 20TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Switch Fundamentals |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 功能： | 多路復(fù)用器 |
| 電路： | 1 x 4:1 |
| 電壓電源： | 單電源 |
| 電壓 - 電源，單路/雙路(±)： | 1.65 V ~ 2.75 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 帶卷 (TR) |
| 配用： | EVAL-ADG904REBZ-ND - BOARD EVALUATION FOR ADG904 |
Data Sheet
ADG904/ADG904-R
Rev. C | Page 11 of 16
APPLICATIONS
The ADG904 and ADG904-R are ideal solutions for low power,
high frequency applications. The low insertion loss, high
isolation between ports, low distortion, and low current
consumption of these parts make them excellent solutions for
many high frequency switching applications. They may be used
in applications such as switchable filters, transmitters and
receivers for radar systems, and communications systems from
base stations to cell phones.
The ADG9xx wideband switches are designed to meet the
demands of devices that transmit at ISM band frequencies of
1 GHz and higher. The low insertion loss, high isolation
between ports, single pin control interface, no requirement for
dc blocking capacitors, and TTL interface compatibility of these
parts make them cost-effective and an easy-to-integrate
switching solution for many high frequency switching
applications and low power applications where the parts can
handle up to 16 dBm of power.
ABSORPTIVE VS. REFLECTIVE
The ADG904 is an absorptive (matched) switch with 50
terminated shunt legs; the ADG904-R is a reflective switch with
0 terminated shunts to ground. The ADG904 absorptive
switch has a good VSWR on each port, regardless of the switch
mode. An absorptive switch should be used when there is a
need for a good VSWR that is looking into the port but not
passing the through signal to the common port. The ADG904 is
therefore ideal for applications that require minimum
reflections back to the RF source. It also ensures that the
maximum power is transferred to the load.
The ADG904-R reflective switch is suitable for applications
where high off port VSWR does not matter, and the switch has
other performance features. It may be used in many applica-
tions, including high speed filter selection. In most cases, an
absorptive switch may be used instead of a reflective switch, but
not vice versa.
ANTENNA DIVERSITY SWITCH
The ADG904 is ideal for use as an antenna diversity switch,
switching different antennas into the tuner. The low insertion
loss ensures minimum signal loss and high isolation between
channels, making these SP4T switches suitable for switching
applications in tuner modules and set-top boxes.
TUNER
ADG904
CABLE
RF1
RF2
RF3
RF4
VGA
ANTENNA
04504-0-021
Figure 27. Tuner Modules
FILTER SELECTION
The ADG904 can be used to switch high frequency signals
between different filters and to multiplex the signal to the
output. These SP4T switches are also ideal for high speed
signal routing.
RFOUT
RFC
ADG904
RF1
RF2
RF3
RF4
RF1
RF2
RF3
RF4
RFIN
RFC
04504-0-022
Figure 28. Filter Selection
Tx/Rx SWITCHING
The low insertion loss and high isolation between ports ensure
that the ADG904 and ADG904-R are suitable transmit/receive
switches for all ISM band and wireless LAN, providing the
required isolation between the transmit signal and the
receive signal.
ADG904
Tx
Rx
ANTENNA
04504-0-023
Figure 29. Tx/Rx Switching
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADG904-R | 制造商:AD 制造商全稱:Analog Devices 功能描述:Wideband, 37 dB Isolation at 1 GHz, CMOS 1.65 V to 2.75 V, 4:1 Mux/SP4T |
| ADG904SCPZ-EP | 功能描述:1GHZ SPST SW (50 OHM TERMINATIO 制造商:analog devices inc. 系列:* 零件狀態(tài):有效 標(biāo)準(zhǔn)包裝:1 |
| ADG904SCPZ-EP-RL7 | 功能描述:1 Circuit IC Switch 4:1 20-LFCSP (4x4) 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):有效 開關(guān)電路:SP4T 多路復(fù)用器/解復(fù)用器電路:4:1 電路數(shù):1 導(dǎo)通電阻（最大值）:- 通道至通道匹配（ΔRon）:- 電壓 -?電源，單（V+）:1.65 V ~ 2.75 V 電壓 - 電源，雙（V±）:- 開關(guān)時間（Ton, Tof）（最大值）:10ns，16ns -3db 帶寬:2.5GHz 電荷注入:- 溝道電容 （CS(off），CD（off））:2pF 電流 - 漏泄（IS（off））（最大值）:1μA 串?dāng)_:-58dB @ 100MHz 工作溫度:-55°C ~ 125°C（TA） 封裝/外殼:20-WFQFN 裸露焊盤 供應(yīng)商器件封裝:20-LFCSP（4x4） 標(biāo)準(zhǔn)包裝:1,500 |
| ADG918 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Wideband, 43dB Isolation 1GHz, CMOS 1.65 V to 2.75V, 2:1 Mux/SPDT Switches |
| ADG918_08 | 制造商:AD 制造商全稱: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 |
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