參數(shù)資料
型號： MAX4555CSE
廠商： Maxim Integrated Products
文件頁數(shù)： 14/28頁
文件大小： 0K
描述： IC SWITCH QUAD SPST 16SOIC
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 50
功能： 開關(guān)
電路： 4 x SPST - NC
導(dǎo)通狀態(tài)電阻： 6 歐姆
電壓電源： 單/雙電源
電壓 - 電源，單路/雙路(±)： 9 V ~ 40 V，±4.5 V ~ 20 V
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 16-SOIC（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-SOIC
包裝： 管件
MAX4554/MAX4555/MAX4556
Force-Sense Switches
______________________________________________________________________________________
21
Figure 6 shows how to switch a single voltage or cur-
rent source between two loads using the MAX4554 or
MAX4556. By interchanging loads and sources, the cir-
cuits can be reversed so that they switch two sources
to a single load. The two loads are electrically connect-
ed together at one point, but may be physically sepa-
rated. This means that one force wire does not need to
be switched, but the corresponding sense wires do.
The MAX4554 has independent 3PST, NO switches dri-
ven out of phase by an external CMOS inverter, so that
one switch is on while the other is off. If both switches
were turned on at the same time, both loads would be
connected, and the resulting voltage at either load
would be close to (but not exactly equal to) the desired
value; this would not cause any damage to the device.
Switching 3-Wire Guarded Circuits
Figure 7 shows how to switch a single guarded voltage
or current source between two loads using the
MAX4554 or MAX4556. By interchanging loads and
sources, the circuits can be reversed to switch two
sources to a single load. If the loads have a common
connection, the switch to that node can be eliminated.
Note that these circuits use sense (high-resistance)
switches to switch the common wire. This is permissible
only if the load currents are very low. If the currents are
high, the common connection should not be switched
unless another force switch is substituted.
GND
LOAD2
LOAD1
NO2
NC3
NC2
FEEDBACK
SENSE
FORCE
COM1
V-
COM2
COM3
IN1
IN2
IN3
IN
VOLTAGE/CURRENT SOURCE
NC1
NO1
NO3
MAX4556
V+
VL
LOGIC
LOAD
1
2
0
1
IN
EN
LOAD2
LOAD1
NOS1
NOS2
NOF2
FEEDBACK
SENSE
FORCE
FCOM
V-
SCOM
GCOM
IN1
IN2
IN
CMOS INVERTER
VOLTAGE/CURRENT SOURCE
NOF1
NOG2
NOG1
MAX4554
GND
V+
VL
LOGIC
LOAD
1
2
0
1
IN
V
Figure 6. Using the MAX4554/MAX4556 to Switch 4-Wire Force-Sense Circuits from One Source to Two Loads
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX4555CSE+ 功能描述:模擬開關(guān) IC Force-Sense Switch 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）: 開啟時間（最大值）: 關(guān)閉時間（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
MAX4555CSE+T 功能描述:模擬開關(guān) IC Force-Sense Switch 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）: 開啟時間（最大值）: 關(guān)閉時間（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
MAX4555CSE-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）: 開啟時間（最大值）: 關(guān)閉時間（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
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）: 開啟時間（最大值）: 關(guān)閉時間（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
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）: 開啟時間（最大值）: 關(guān)閉時間（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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