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MAX4080SASAT

製品説明
仕様・特性

EVALUATION KIT AVAILABLE MAX4080/MAX4081 76V, High-Side, Current-Sense Amplifiers with Voltage Output General Description The MAX4080/MAX4081 are high-side, current-sense amplifiers with an input voltage range that extends from 4.5V to 76V making them ideal for telecom, automotive, backplane, and other systems where high-voltage current monitoring is critical. The MAX4080 is designed for unidirectional current-sense applications and the MAX4081 allows bidirectional current sensing. The MAX4081 single output pin continuously monitors the transition from charge to discharge and avoids the need for a separate polarity output. The MAX4081 requires an external reference to set the zero-current output level (VSENSE = 0V). The charging current is represented by an output voltage from VREF to VCC, while discharge current is given from VREF to GND. For maximum versatility, the 76V input voltage range applies independently to both supply voltage (VCC) and common-mode input voltage (VRS+). High-side current monitoring does not interfere with the ground path of the load being measured, making the MAX4080/MAX4081 particularly useful in a wide range of high-voltage systems. The combination of three gain versions (5V/V, 20V/V, 60V/V = F, T, S suffix) and a user-selectable, external sense resistor sets the full-scale current reading and its proportional output voltage. The MAX4080/MAX4081 offer a high level of integration, resulting in a simple, accurate, and compact current-sense solution. The MAX4080/MAX4081 operate from a 4.5V to 76V single supply and draw only 75µA of supply current. These devices are specified over the automotive operating temperature range (-40°C to +125°C) and are available in a space-saving 8-pin µMAX® or SO package. Applications ●● Automotive (12V, 24V, or 42V Batteries) ●● 48V Telecom and Backplane Current Measurement ●● Bidirectional Motor Control ●● Power-Management Systems ●● Avalanche Photodiode and PIN-Diode Current Monitoring ●● General System/Board-Level Current Sensing ●● Precision High-Voltage Current Sources µMAX is a registered trademark of Maxim Integrated Products, Inc. 19-2562; Rev 5; 5/15 Benefits and Features ●● Ideal for High-Voltage Current Monitoring Applications • Wide 4.5V to 76V Input Common-Mode Range • Independent Operating Supply Voltage ●● High Accuracy and Low Quiescent Current Support Precision Application Requirements • ±0.1% Full-Scale Accuracy • Low 100μV Input Offset Voltage • Three Gain Versions Available -- 5V/V (MAX4080F/MAX4081F) -- 20V/V (MAX4080T/MAX4081T) -- 60V/V (MAX4080S/MAX4081S) • 75μA Supply Current (MAX4080) ●● Flexible Current Sensing Supports Monitoring of Charge and Discharge of Batteries • Bidirectional (MAX4081) or Unidirectional (MAX4080) ISENSE • Reference Input for Bidirectional OUT (MAX4081) ●● Minimizes Required Board Space • 8-Pin μMAX Package Ordering Information PART TEMP RANGE PIN-PACKAGE MAX4080FAUA+ -40°C to +125°C 8 µMAX MAX4080FAUA/V+ -40°C to +125°C 8 µMAX MAX4080FASA+ -40°C to +125°C 8 SO MAX4080TAUA+ -40°C to +125°C 8 µMAX MAX4080TAUA/V+ -40°C to +125°C 8 µMAX +Denotes a lead(Pb)-free/RoHS-compliant package. /V denotes an automotive qualified part. Ordering Information continued at end of data sheet. Selector Guide appears at end of data sheet. Pin Configurations TOP VIEW RS+ 1 VCC 2 + 8 RS- RS+ 1 + 8 RS- 7 N.C. VCC 2 7 REF1A 3 6 N.C. N.C. 3 6 REF1B GND 4 5 OUT GND 4 5 OUT N.C. MAX4080 µMAX/SO MAX4081 µMAX/SO

ブランド

MAXIM

会社名

Maxim Integrated

本社国名

U.S.A

事業概要

アナログおよびミックスドシグナル半導体製品を設計、製造、販売している米国系の株式会社である。 マキシム・インテグレーテッドは、工業、通信、民生、コンピューティングの各市場向けに集積回路を開発しています

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