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MAX44284EAWT+T PDF预览

MAX44284EAWT+T

更新时间: 2024-01-14 09:52:20
品牌 Logo 应用领域
美信 - MAXIM 放大器信息通信管理
页数 文件大小 规格书
14页 828K
描述
-0.1+36V, HIGH PRECISION, LOW POWER CURRENT-SENSE AMPLIFIER

MAX44284EAWT+T 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:VFBGA, BGA6,2X3,16Reach Compliance Code:compliant
Factory Lead Time:6 weeks风险等级:1.6
放大器类型:OPERATIONAL AMPLIFIER架构:VOLTAGE-FEEDBACK
最大平均偏置电流 (IIB):0.08 µA标称带宽 (3dB):0.0004 MHz
25C 时的最大偏置电流 (IIB):0.08 µA最小共模抑制比:120 dB
标称共模抑制比:145 dB频率补偿:NO
最大输入失调电流 (IIO):0.05 µA最大输入失调电压:40 µV
JESD-30 代码:R-PBGA-B6长度:1.245 mm
低-偏置:NO低-失调:YES
微功率:YES功能数量:1
端子数量:6最高工作温度:125 °C
最低工作温度:-40 °C封装主体材料:PLASTIC
封装代码:VFBGA封装等效代码:BGA6,2X3,16
封装形状:RECTANGULAR封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH
包装方法:TR峰值回流温度(摄氏度):NOT SPECIFIED
功率:NO可编程功率:NO
座面最大高度:0.69 mm子类别:Operational Amplifier
最大压摆率:0.0415 mA供电电压上限:6 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
技术:BICMOS温度等级:AUTOMOTIVE
端子形式:BALL端子节距:0.4 mm
端子位置:BOTTOM处于峰值回流温度下的最长时间:NOT SPECIFIED
宽带:NO宽度:0.845 mm
Base Number Matches:1

MAX44284EAWT+T 数据手册

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MAX44284  
36V, Input Common-Mode, High-Precision,  
Low-Power Current-Sense Amplifier  
General Description  
Benefits and Features  
● Supports Use of Small Current-Sense Resistors to  
Improve Power-Supply Conversion Efficiency and  
Measurement Accuracy  
The MAX44284 is a high-side, current-sense amplifier  
that operates with a 1.7V to 5.5V single supply and is  
optimized for very low power operation with only 21µA of  
quiescent current.  
• Input Bias Current of 80nA (max)  
The MAX44284 offers precision accuracy specifications  
Very Low 2μV Input Offset Voltage (MAX44284F/H)  
of 2μV V  
and gain error of 0.05%. The device features  
• Extremely Low 50nV/°C Input Offset Tempco  
Coefficient  
OS  
an input common-mode voltage range from -0.1V to  
+36V. This current-sense amplifier has a voltage output  
and is offered in four different gain versions.  
-0.1V to +36V Wide Input Common-Mode Range  
Low 0.05% Gain Error  
The MAX44284 is offered in small 6-bump, 0.4mm-pitch  
WLP (1.3mm x 0.9mm) and 6-pin SOT23 packages and is  
specified for operation over the -40°C to +125°C automotive  
temperature range.  
● Extends Battery Life  
Low Supply Current of 21μA  
1.7V to 5.5V Single Supply  
Shutdown Input (Independent of V  
)
DD  
Applications  
Smartphones and Tablets  
Notebook Computers  
DC-DC Current Sensing in Power Management  
Portable-/Battery-Powered Systems  
Medical Pulse Oximeters and Infusion Pumps  
Base-Stations  
● Four Fixed Gain Options Simplify Design  
50V/V – MAX44284F  
100V/V – MAX44284H  
• 200V/V – MAX44284W  
• 500V/V – MAX44284E  
Ordering Information appears at end of data sheet.  
Typical Application Circuit  
ILOAD  
RSENSE  
VBATT = UP TO 36V  
RS+  
RS-  
LOAD  
VDD = 3.3V  
MAX44284  
VDD = 3.3V  
OUT  
µC  
ADC  
19-6862; Rev 5; 11/17  

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