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MAX4172 Datasheet PDF

Part Series:MAX4172 Series
Category:Amplifiers,Buffers
Description:MAXIM INTEGRATED PRODUCTS MAX4172ESA+T Current Sense Amplifier, High Side, Precision, 1 Amplifier, 50µA, NSOIC, 8Pins, -40℃, 85℃
Document:MAX4172ESA+T Datasheet PDF (17 Pages)

MAX4172 Amplifiers,Buffers Datasheet PDF

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MAX4172ESA+T - Maxim Integrated Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Number of Pins
8 Pin
Supply Voltage (DC)
3.00V (min)
Case/Package
NSOIC-8
Supply Current
800 µA
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MAX4172ESA+T - Maxim Integrated Function Overview

The MAX4172ESA+T is a low cost, precision, high side current sense amplifier in 8 pin NSOIC package. High side power line monitoring is especially useful in battery powered systems, since it does not interfere with the battery charger"s ground path. Wide bandwidth and ground sensing capability makes IC suitable for closed loop battery charger and general purpose current source applications. The 0V to 32V input common mode range is independent of supply voltage which ensures that current sense feedback remains viable, even when connected to a battery in deep discharge. To provide a high level of flexibility, the MAX4172 functions with an external sense resistor to set the range of load current to be monitored. It has a current output that can be converted to a ground referred voltage with a single resistor, accommodating a wide range of battery voltages and currents. It is used in closed loop battery chargers/current sources, smart battery packs and energy management systems.
Supply voltage range is 3V to 32V
Operating temperature range from -40°C to 85°C
Ideal for high side monitoring
±0.5% typical full scale accuracy over temperature
800KHz bandwidth [VSENSE = 100mV (1C)]
200KHz bandwidth [VSENSE = 6.25mV (C/16)]
Minimizes board space requirements
Maximum supply current is 1.6mA
Negative input bias current is 50µA (typ) at VRS+ > 2V
Input offset voltage is 100mV
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