參數(shù)資料
型號(hào)： MAX4555EPE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 運(yùn)動(dòng)控制電子
英文描述： Force-Sense Switches
中文描述： QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDIP16
封裝： PLASTIC, DIP-16
文件頁(yè)數(shù)： 23/28頁(yè)
文件大?。?/td> 281K
代理商： MAX4555EPE
M
Forc e-S ense S witc hes
______________________________________________________________________________________
23
GUARD AMPLIFIER
VOLTAGE OR
CURRENT SOURCE
LOGIC
LOAD
2
1
0
1
IN
NC4
GND
LOAD2
LOAD1
NC2
COM1
V-
COM2
IN
COM3
COM4
IN1
IN2
IN3
IN4
NC1
NC3
MAX4555
V+
VL
Figure 8. Using the MAX4555 to Switch 3-Wire Guarded Circuits from One Source to Two Loads
Figure 8 shows how to switch a single guarded voltage
or current source between two grounded loads using a
MAX4555. By interchanging loads and sources, the cir-
cuits can be reversed so that two sources are switched
to a single load.
S witc hing 8-Wire Guarded Circ uits
Figure 9 shows how to switch a single 8-wire guarded
force-sense voltage or current source between two
loads using two MAX4556s or two MAX4554s. By inter-
changing loads and sources, the circuits can be
reversed so that they switch two sources to a single
load. The two loads are shown isolated from each
another, but if they have a common connection then the
circuit must remain as shown in order to maintain accu-
rate load voltage.
High-Frequenc y Performanc e
Although switching speed is restricted, once a switch is
in a steady state it exhibits good RF performance. In
50
systems, signal response is reasonably flat up to
50MHz (see Typical Operating Characteristics). The
force switches have lower on-resistance, so their inser-
tion loss in 50
systems is lower. Above 20MHz, the
on-response has several minor peaks that are highly
layout dependent. The problem with high-frequency
operation is not turning the switches on, but turning
them off. The off-state switches act like capacitors and
pass higher frequencies with less attenuation. At
10MHz, off-isolation between input or output signals is
approximately -30dB in 50
systems, degrading
(approximately 20dB per decade) as frequency
increases. Higher circuit impedances also degrade off-
isolation.
相關(guān)PDF資料
PDF描述
MAX4555ESE Force-Sense Switches
MAX4564 Low-Voltage, Dual-Supply, SPDT Analog Switch with Enable
MAX4564EKA-T Low-Voltage, Dual-Supply, SPDT Analog Switch with Enable
MAX4564EUA Low-Voltage, Dual-Supply, SPDT Analog Switch with Enable
MAX4567EEE Quad/Dual, Low-Voltage, Bidirectional RF/Video Switches
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4555EPE+ 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4555ESE 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4555ESE+ 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4555ESE+T 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX4555ESE-T 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
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