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參數(shù)資料
| 型號： | MAX4741EKA |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 0.8з, Low-Voltage, Single-Supply Dual SPST Analog Switches |
| 中文描述： | DUAL 1-CHANNEL, SGL POLE SGL THROW SWITCH, PDSO8 |
| 封裝： | MO-178BA, SOT-23, 8 PIN |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 299K |
| 代理商： | MAX4741EKA |
Detailed Description
The MAX4741/MAX4742/MAX4743 are low 0.8
max
(at V+ = +3V) on-resistance, low-voltage, dual analog
switches that operate from a +1.6V to +3.6V single sup-
ply. CMOS switch construction allows switching analog
signals that are within the supply voltage range (GND
to V+).
When powered from a +3V supply, the 0.8
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_.
Although it is not required, power-supply bypassing
improves noise margin and prevents switching noise
propagation from the V+ supply to other components.
A 0.1μF capacitor, connected from V+ to GND, is ade-
quate for most applications.
Logic Inputs
The MAX4741/MAX4742/MAX4743 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
minimizes 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
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.
M
0.8
, Low-Voltage, Single-Supply Dual SPST
Analog Switches
_______________________________________________________________________________________
7
Pin Description
PIN
MAX4741
μ
MAX
1
—
2
3
4
5
—
6
7
8
MAX4742
μ
MAX
—
1
2
3
4
—
5
6
7
8
MAX4743
μ
MAX
1
—
2
3
4
—
5
6
7
8
SOT23-8
8
—
7
6
5
3
—
4
1
2
SOT23-8
—
8
7
6
5
—
3
4
1
2
SOT23-8
8
—
7
6
5
—
3
4
1
2
NAME
FUNCTION
NO1
NC1
COM1
IN2
GND
NO2
NC2
COM2
IN1
V+
Analog Switch 1 Normally Open
Analog Switch 1 Normally Closed
Analog Switch 1 Common
Logic Control Input Switch 2
Ground
Analog Switch 2 Normally Open
Analog Switch 2 Normally Closed
Analog Switch 2 Common
Logic Control Input Switch 1
Positive Supply Voltage
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4741EKA+ | 制造商:Maxim Integrated Products 功能描述:ANLG SW DUAL SPST 3.6V 8PIN SOT-23 - Rail/Tube |
| MAX4741EKA+T | 功能描述:模擬開關 IC 0.8Ohm Dual SPST Audio Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4741EKA-T | 功能描述:模擬開關 IC RoHS:否 制造商:Texas Instruments 開關數(shù)量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| MAX4741ELA+ | 制造商:Maxim Integrated Products 功能描述:0.8OHM LOW-VOLTAGE SINGLE-SUPPLY - Rail/Tube |
| MAX4741ELA+T | 功能描述:模擬開關 IC 0.8Ohm Dual SPST Audio Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:2 開關配置: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 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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