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| 型号： | MAX4751EGE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/11页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH QUAD SPST 16QFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 开关 |
| 电路： | 4 x SPST - NO |
| 导通状态电阻： | 900 毫欧 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 1.6 V ~ 3.6 V |
| 电流 - 电源： | 1µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 包装： | 带卷 (TR) |
MAX4751/MAX4752/MAX4753
0.9
, Low-Voltage, Single-Supply Quad SPST
Analog Switches
9
Maxim Integrated
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) RON
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 0.1F
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
Vg
V+
MAX4751
MAX4752
MAX4753
D2
D1
Figure 5. Overvoltage Protection Using Two External Blocking
Diodes
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4751EUD | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4751EUD+ | 功能描述:模拟开关 IC 0.9Ohm Quad SPST Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4751EUD+T | 功能描述:模拟开关 IC 0.9Ohm Quad SPST Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4751EUD-T | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4752EGE | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
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