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MAX471 Datasheet Precision / High-side Current-sense Amplifiers

Manufacturer: Maxim Integrated (now Analog Devices)

Overview: 19-0335; Rev 2; 12/96 Precision, High-Side Current-Sense Amplifiers _______________General.

General Description

The MAX471/MAX472 are plete, bidirectional, highside current-sense amplifiers for portable PCs, telephones, and other systems where battery/DC power-line monitoring is critical.

High-side power-line monitoring is especially useful in battery-powered systems, since it does not interfere with the ground paths of the battery chargers or monitors often found in “smart” batteries.

The MAX471 has an internal 35mΩ current-sense resistor and measures battery currents up to ±3A.

Key Features

  • o Complete High-Side Current Sensing o Precision Internal Sense Resistor (MAX471) o 2% Accuracy Over Temperature o Monitors Both Charge and Discharge o 3A Sense Capability with Internal Sense Resistor (MAX471) o Higher Current-Sense Capability with External Sense Resistor (MAX472) o 100µA Max Supply Current o 18µA Max Shutdown Mode o 3V to 36V Supply Operation o 8-Pin DIP/SO Packages MAX471/MAX472 ______________Ordering Information PART MAX471CPA MAX471CSA MAX471EPA MAX471ESA MAX472CPA MAX472C.

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More Datasheets from Maxim Integrated (now Analog Devices)

Part Number Description
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MAX4715 Single-Supply SPST Analog Switches
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MAX4719 300MHz Bandwidth / Dual SPDT Analog Switch in UCSP
MAX470 Two-Channel / Triple/Quad RGB Video Switches and Buffers
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MAX472 Precision / High-Side Current-Sense Amplifiers
MAX473 Single/Dual/Quad / 10MHz Single-Supply Op Amps
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MAX4734 0.8 / Low-Voltage / 4-Channel Analog Multiplexer

MAX471 Distributor