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¹¦ÄÜÃèÊö | SPI Programmable-Gain Amplifier with Input Vos Trim and Output Op Amp SPI-PROGRAMMABLE GAIN AMPLIFIER(PG - Rail/Tube |
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General Description
The MAX9939 is a general-purpose, differential-input programmable-gain amplifier (PGA) that is ideal for conditioning a variety of wide dynamic range signals such as those found in motor current-sense, medical instrumentation, and sonar data acquisition applications. It features SPI?-programmable differential gains from 0.2V/V to 157V/V, input offset-voltage compensation, and an output amplifier that can be configured either as a high-order active filter or to provide a differential output.
Features
? SPI-Programmable Gains: 0.2V/V to 157V/V
? Extremely Low Gain Tempco
? Integrated Amplifier for R/C Programmable Active Filter
? Input Offset-Voltage Compensation
? Input Protection to ¡À16V
? 13?A Software Shutdown Mode
? -40¡ãC to +125¡ãC Operating Temperature Range
? 10-Pin ?MAX Package
Applications
? Sensorless Motor Control
? Medical Signal Conditioning
? Sonar and General Purpose Data Acquisition
? Differential to Single-Ended Conversion
? Differential-Input, Differential-Output Signal Amplification
? Sensor Interface and Signal Processing
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SPI-PROGRAMMABLE GAIN AMPLIFIER(PG - Rail/Tube
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MAX9939 ×ÊÁÏÏÂÔظü¶à...
MAX9939 ²úÆ·Ïà¹ØÐͺÅ
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