MAX4073T

低成本、SC70封装、电压输出、高边电流检测放大器


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说明

The MAX4073 low-cost, high-side current-sense amplifier features a voltage output that eliminates the need for gain-setting resistors making it ideal for cell phones, notebook computers, PDAs, and other systems where current monitoring is crucial. High-side current monitoring does not interfere with the ground path of the battery charger making the MAX4073 particularly useful in battery-powered systems. The input common-mode range of +2V to +28V is independent of the supply voltage. The MAX4073's wide 1.8MHz bandwidth makes it suitable for use inside battery-charger control loops.

The combination of three gain versions and a selectable external-sense resistor sets the full-scale current reading. The MAX4073 offers a high level of integration, resulting in a simple and compact current-sense solution.

The MAX4073 operates from a +3V to +28V single supply and draws only 0.5mA of supply current. This device is specified over the automotive operating temperature range (-40°C to +125°C) and is available in a space-saving 5-pin SC70 package (half the size of the SOT23).

For a similar device in a 6-pin SOT23 with a wider common-mode voltage range (0 to +28V), see the MAX4173 data sheet.
MAX4073F、MAX4073H、MAX4073T:典型工作电路 MAX4073F、MAX4073H、MAX4073T:典型工作电路 放大+

关键特性

  • Low-Cost, Compact, Current-Sense Solution
  • Three Gain Versions Available
    • +20V/V (MAX4073T)
    • +50V/V (MAX4073F)
    • +100V/V (MAX4073H)
  • ±1.0% Full-Scale Accuracy
  • 500µA Supply Current
  • Wide 1.8MHz Bandwidth
  • +3V to +28V Operating Supply
  • Wide +2V to +28V Common-Mode Range Independent of Supply Voltage
  • Automotive Temperature Range (-40°C to +125°C)
  • Available in Space-Saving 5-Pin SC70 Package

请查看具体的参数规格 Current Sense Amplifiers (52)


Part NumberOutput FormatCMVR
(V)
CMVR
(V)
VCC
(V)
VCC
(V)
ICC
(µA)
Bi-Dir. Curr. SenseVSENSE_FS
(mV)
GainGain Accuracy @25°C
(%)
BW
(kHz)
ComparatorsOper. Temp.
(°C)
Package/PinsBudgetary
Price
(min)(max)(min)(max)(typ)(recomm.)(max)(@ -3dB)(See Notes)
MAX4073 Voltage228328500No100
100 V/V
20 V/V
50 V/V
4.5
1600
1700
1800
0-40 to +125
SC70/5
SOT23/6
$0.92 @1k

Pricing Notes:
价格仅供参考,用于同类产品的比较。所提供报价为美元,需要依汇率折合成人民币。该价格将因当地关税、税率和汇率而异。有关特定订购量和指定版本的报价和供货问题,请参考:价格与供货网站或与指定代理商联系。

MAX4073EVKIT: MAX4073评估板
产品可靠性报告: MAX4073T.pdf 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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    类型 编号 标题
    评估板6300MAX4073EVKIT MAX4073评估板