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參數(shù)資料
| 型號： | MAX4645EUA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | Fast, Low-Voltage, 2.5-ohm, SPST, CMOS Analog Switches |
| 中文描述： | 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO8 |
| 封裝： | MICRO MAX PACKAGE-8 |
| 文件頁數(shù)： | 6/11頁 |
| 文件大小： | 207K |
| 代理商： | MAX4645EUA |
M
Fast, Low-Voltage, 2.5
, SPST,
CMOS Analog Switches
6
_______________________________________________________________________________________
Detailed Description
The MAX4645/MAX4646 are low 2.5
max on-resis-
tance (at V+ = 5V), low-voltage analog switches that
operate from a +1.8V to +5.5V single supply. CMOS
switch construction allows processing analog signals
that are within the supply voltage range (GND to V+).
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 the logic
inputs, NO, or COM. If power-supply sequencing is not
possible, add two small signal diodes (D1, D2) in series
with the supply pins for overvoltage protection (Figure
1). 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 leakage characteristics of the device. Device oper-
ation is unchanged, and the difference between V+ and
GND should not exceed 6V.
Although it is not required, power-supply bypassing
improves noise margin and prevents switching noise
from propagating from the V+ supply to other compo-
nents. A 0.1μF capacitor, connected from V+ to GND,
is adequate for most applications.
Pin Description
POSITIVE SUPPLY
COM
NO
GND
D2
Vg
V+
MAX4645
MAX4646
D1
Figure 1. Overvoltage Protection Using Two External Blocking
Diodes
V+
COM
NO
NC
GND
IN
N.C.
5
6
SOT23-6
1
2
—
3
4
4
μMAX
1
—
8
7
6
2, 3, 5
—
5
SOT23-5
1
—
2
3
4
2, 3, 5
4
μMAX
1
8
—
7
6
—
5
6
SOT23-5
1
SOT23-6
1
—
2
3
4
5
Positive Supply Voltage
Analog Switch Common Terminal
Analog Switch Normally Open Terminal
Analog Switch Normally Closed Terminal
Ground
Logic Control Input
No Connection. Not internally connected.
2
—
3
4
MAX4646
MAX4645
NAME
PIN
FUNCTION
相關(guān)PDF資料 |
PDF描述 |
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| MAX4645EUK-T | Fast, Low-Voltage, 2.5-ohm, SPST, CMOS Analog Switches |
| MAX4645EUT-T | Fast, Low-Voltage, 2.5-ohm, SPST, CMOS Analog Switches |
| MAX4646EUA | Fast, Low-Voltage, 2.5-ohm, SPST, CMOS Analog Switches |
| MAX4646EUK-T | Fast, Low-Voltage, 2.5-ohm, SPST, CMOS Analog Switches |
| MAX4646EUT-T | Fast, Low-Voltage, 2.5-ohm, SPST, CMOS Analog Switches |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4645EUA+ | 功能描述:模擬開關(guān) IC 2.5Ohm SPST CMOS Analog 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 |
| MAX4645EUA+T | 功能描述:模擬開關(guān) IC 2.5Ohm SPST CMOS Analog 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 |
| MAX4645EUA-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 |
| MAX4645EUK | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product |
| MAX4645EUK+ | 制造商:Maxim Integrated Products 功能描述:ANLG SW SGL SPST 5.5V 5PIN SOT-23 - Bulk |
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