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參數(shù)資料
| 型號(hào)： | MAX4752 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 0.9з, Low-Voltage, Single-Supply Quad SPST Analog Switches |
| 中文描述： | 0.9Ω、低電壓、單電源、四路SPST模擬開(kāi)關(guān) |
| 文件頁(yè)數(shù)： | 9/13頁(yè) |
| 文件大小： | 330K |
| 代理商： | MAX4752 |
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M
0.9
, Low-Voltage, Single-Supply Quad SPST
Analog Switches
_______________________________________________________________________________________
9
Detailed Description
The MAX4751/MAX4752/MAX4753 are low 0.9
max (at
V+ = 3V) on-resistance, low-voltage quad analog
switches that operate from a +1.6V to +3.6V single sup-
ply. CMOS construction allows switching analog signals
that are within the supply voltage range (GND to V+).
When powered from a +3V supply, the 0.9
(max) R
ON
allows high continuous currents to be switched in a
variety of applications.
Applications Information
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings because stresses beyond the listed rat-
ings can cause permanent damage to the devices.
Always sequence V+ on first, followed by NO_, NC_, or
COM_. If power-supply sequencing is not possible, add
two small-signal diodes (D1, D2) in series with the sup-
ply pins for overvoltage protection (Figure 5). Adding
these diodes reduces the analog signal by one diode
drop below V+ and one diode drop above GND, but
does not affect the low switch resistance and low leak-
age characteristics of the device. Device operation is
unchanged, and the difference between V+ and GND
should not exceed 4V.
Power-supply bypassing is needed to improve noise
margin and to prevent switching noise propagation
from the V+ supply to other components. A 0.1μF
capacitor, connected from V+ to GND, is adequate for
most applications.
Logic Inputs
The MAX4751/MAX4752/MAX4753 logic inputs can be
driven up to +3.6V regardless of the supply voltage. For
example, with a +1.8V supply, IN_ may be driven low to
GND and high to +3.6V. Driving IN_ rail-to-rail mini-
mizes power consumption.
Analog Signal Levels
Analog signals that range over the entire supply voltage
(V+ to GND) can be passed with very little change in on-
resistance (see the
Typical Operating Characteristics
).
The switches are bidirectional, so the NO_, NC_, and
COM_ pins can be used as either inputs or outputs.
Layout
High-speed switches require proper layout and design
procedures for optimum performance. Reduce stray
inductance and capacitance by keeping traces short
and wide. Ensure that bypass capacitors are as close
to the device as possible. Use large ground planes
where possible.
Chip Information
TRANSISTOR COUNT: 228
PROCESS: CMOS
POSITIVE SUPPLY
COM
NO
GND
D2
Vg
V+
MAX4751
MAX4752
MAX4753
D1
Figure 5. Overvoltage Protection Using Two External Blocking
Diodes
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PDF描述 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4752EGE | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)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 |
| MAX4752EGE+ | 功能描述:模擬開(kāi)關(guān) IC 0.9Ohm Quad SPST Analog Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)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 |
| MAX4752EGE+T | 功能描述:模擬開(kāi)關(guān) IC 0.9Ohm Quad SPST Analog Switch RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)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 |
| MAX4752EGE-T | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)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 |
| MAX4752EUD | 功能描述:模擬開(kāi)關(guān) IC RoHS:否 制造商:Texas Instruments 開(kāi)關(guān)數(shù)量:2 開(kāi)關(guān)配置:SPDT 開(kāi)啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開(kāi)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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