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MAX9928FAUA+T IC CURRENT SENSE 1 CIRCUIT 8UMAX Analog Devices Inc./Maxim Integrated

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Sanhuang electronics (Hong Kong) Co., Limited

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Country/Region:china

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MAX9928FAUA+T IC CURRENT SENSE 1 CIRCUIT 8UMAX Analog Devices Inc./Maxim Integrated

Brand Name Analog Devices Inc./Maxim Integrated
Model Number MAX9928FAUA+T
Minimum Order Quantity 1
Price Based on current price
Payment Terms T/T
Supply Ability In stock
Delivery Time 3-5 work days
Packaging Details anti-static bag & cardboard box
Amplifier Type Current Sense
Number of Circuits 1
Output Type -
Slew Rate -
Gain Bandwidth Product -
-3db Bandwidth 150 kHz
Current - Input Bias 1.6 µA
Voltage - Input Offset 600 µV
Current - Supply 20µA
Current - Output / Channel -
Voltage - Supply Span (Min) 2.5 V
Voltage - Supply Span (Max) 5.5 V
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount
Package / Case 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package 8-uMAX/uSOP
Detailed Product Description

Product Details

 

General Description

The MAX9928/MAX9929 low-cost, uni-/bidirectional, high-side, current-sense amplifiers are ideal for monitoring battery charge and discharge currents in notebooks, cell phones, and other portable equipment. These devices feature a wide -0.1V to +28V input common-mode voltage range, low 20µA supply current with VOS less than 0.4mV, and a gain accuracy better than 1.0%. The input common-mode range is independent of the supply voltage, ensuring that the current-sense information remains accurate even when the measurement rail is shorted to ground.
The MAX9928F features a current output with a transconductance ratio of 5µA/mV. An external resistor converts the output current to a voltage, allowing adjustable gain so that the input sense voltage can be matched to the maximum ADC input swing. The MAX9929F has a voltage output and integrates a 10kΩ output resistor for a fixed voltage gain of 50V/V.
A digital SIGN output indicates direction of current flow, so the user can utilize the full ADC input range for measuring both charging and discharging currents.

 

 

Features

♦ Wide -0.1V to +28V Common-Mode Range, Independent of Supply Voltage
♦ 2.5V to 5.5V Operating Supply Voltage
♦ 20µA Quiescent Supply Current
♦ 0.4mV (max) Input Offset Voltage
♦ Gain Accuracy Better than 1% (max)
♦ SIGN Output Indicates Current Polarity
♦ Transconductance and Gain Versions Available
5µA/mV (MAX9928F)
50V/V (MAX9929F)
♦ Pin Compatible with the MAX4372 in UCSP
♦ Available in Ultra-Small, 3x2 UCSP (1mm x 1.5mm) and 8-Pin µMAX Packages

 

 

Applications

Monitoring Charge/Discharge Currents in Portable/Battery-Powered Systems
Notebook Computers
General-System/Board-Level Current Monitoring
Smart-Battery Packs/Chargers
Precision Current Sources
Smart Cell Phones
Super Capacitor Charge/Discharge

 

 

Specifications

AttributeAttribute Value
ManufacturerMaxim Integrated
Product CategoryInstrumentation Amplifier
SeriesMAX9928F
ProductCurrent Sense Amplifiers
PackagingReel
Mounting-StyleSMD/SMT
Input-TypeCommon Mode
Output-TypeCurrent
Number-of-Channels1 Channel
Amplifier-TypeCurrent Sense
ShutdownNo Shutdown
Pd-Power-Dissipation388 mW
Maximum Operating Temperature+ 125 C
Operating temperature range- 40 C
Part-#-AliasesMAX9928F
Supply-Voltage-Max5.5 V
Supply-Voltage-Min2.5 V
Package-CaseUMAX-8
Ib-Input-Bias-Current1.6 uA
Vos-Input-Offset-Voltage0.1 mV
PSRR-Power-Supply-Rejection-Ratio90 dB
Vcm-Common-Mode-Voltage- 0.1 V to + 28 V
CMRR-Common-Mode-Rejection-Ratio104 dB
3-dB-Bandwidth150 kHz
ManufacturerMaxim Integrated
Product-CategoryCurrent Sense Amplifiers
RoHSDetails
Supply-Voltage-Max5.5 V
Maximum-Operating-Temperature+ 125 C
Minimum-Operating-Temperature- 40 C
BrandMaxim Integrated
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Descriptions

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