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参数资料
| 型号： | MAX4940BETN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/18页 |
| 文件大小： | 0K |
| 描述： | IC DGTL PULSER HI-VOLT 56TQFN |
| 标准包装： | 37 |
| 应用： | 医疗用超声波成像，声纳 |
| 电源电压： | 2.37 V ~ 6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
Dual/Quad, Unipolar/Bipolar,
High-Voltage Digital Pulsers
Detailed Description
The MAX4940/MAX4940A are quad high-voltage, high-
speed pulsers that can be independently configured
for either unipolar/bipolar/multilevel pulse outputs (see
Figures 5 and 6.). These devices have independent
logic inputs for full pulse control and independent active
clamps. The clamp input, CLP_, can be set high to
activate the clamp automatically when the device is not
pulsing to the positive or negative high-voltage supplies.
Logic Inputs (INP_, INN_, CLP_, EN)
INP_ controls the on and off states of the high-side FET,
INN_ controls the on and off states of the low-side FET,
and CLP_ controls the active clamp. A global enable
input (EN) can be used to enable/disable all channels.
These signals give complete control of the output stage
of each driver (see the Truth Tables section for all logic
combinations). The MAX4940/MAX4940A logic inputs
are CMOS logic compatible and the logic levels are ref-
erenced to V DD for maximum flexibility. The low 5pF (typ)
input capacitance of the logic inputs reduce loading and
increase switching speed.
Truth Tables
MAX4940
EN
INPUTS
INP_ INN_
CLP_
OUTPUTS
OUT_
STATE
0
1
1
1
1
1
X
0
0
0
1
1
X
0
0
1
0
1
X
0
1
X
X
X
High impedance
High impedance
GND
V NN_
V PP_
Not allowed
Powered up, INP_/INN_ disabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Not allowed.
MAX4940A
INPUTS
OUTPUTS
EN
0
1
1
1
1
1
INP1A
INP1B
X
0
0
0
1
1
INN1A
INN1B
X
0
0
1
0
1
CLP1A
CLP1B
X
0
1
0
0
1
OUT1A
OUT1B
High impedance
High impedance
GND
V NN_
V PP_
Not allowed
STATE
Powered up, INP_/INN_ disabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Not allowed.
INPUTS
OUTPUTS
EN
0
1
1
1
1
1
INP2A
INP2B
X
0
0
0
1
1
INN2A
INN2B
X
0
0
1
0
1
CLP2A
CLP2B
X
0
1
X
X
X
OUT2A
OUT2B
High impedance
High impedance
GND
V NN_
V PP_
Not allowed
STATE
Powered up, INP_/INN_ disabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Powered up, all inputs enabled.
Not allowed.
X = Don’t care.
0 = Logic-low.
1 = Logic-high.
10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4940BETN+ | 功能描述:功率驱动器IC Unipolar/Bipolar Digital Pulser RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4940BETN+T | 功能描述:功率驱动器IC Unipolar/Bipolar Digital Pulser RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4940CTN+ | 功能描述:功率驱动器IC Unipolar/Bipolar Digital Pulser RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4940CTN+T | 功能描述:功率驱动器IC Unipolar/Bipolar Digital Pulser RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4940EVKIT+ | 功能描述:电源管理IC开发工具 Maxim Evaluation Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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