圣邦微电子

SGM8581 Single-Supply, Single Rail-to-Rail I/O Precision Operational Amplifier

GENERAL DESCRIPTION

The SGM8581 is a single rail-to-rail input and output precision operational amplifier which has low input offset voltage, and bias current. It is guaranteed to operate from 2.5V to 5.5V single supply.

The rail-to-rail input and output swings provided by the SGM8581 make both high-side and low-side sensing easy. The combination of characteristics makes the SGM8581 good choices for temperature, position and pressure sensors, medical equipment and strain gauge amplifiers, or any other 2.5V to 5.5V application requiring precision and long term stability.

The SGM8581 is specified for the extended industrial/automotive (-40 to +125) temperature range. The SGM8581 is available in the Green SOT-23-5, SOIC-8 and MSOP-8 packages.


PIN CONFIGURATIONS


FEATURES

• Low Offset Voltage: 25μV (TYP)
• Rail-to-Rail Input and Output Swing
• 2.5V to 5.5V Single Supply Operation
• Voltage Gain: 145dB (TYP)
• PSRR: 120dB (TYP)
• CMRR: 90dB (TYP)
• Ultra Low Input Bias Current:
• Low Supply Current: 445μA
• Overload Recovery Time: 70μs
• No External Capacitors Required
• -40
 to +125 Operating Temperature
• Available in Green SOT-23-5, SOIC-8 and 
   MSOP-8 Packages

APPLICATIONS

Temperature Measurements
Pressure Sensors
Precision Current Sensing
Electronic Scales
Strain Gauge Amplifiers
Medical Instrumentation
Thermocouple Amplifiers
Handheld Test Equipment


ORDERING INFORMATION

Part Number Status Package Pins Pb-Free Temp Range
SGM8581XN5G/TR Production SOT-23-5 5 Y -40℃ to +125℃ Samples
SGM8581XS8G/TR Production SOIC-8 8 Y -40℃ to +125℃ Samples
SGM8581XMS8G/TR Production MSOP-8 8 Y -40℃ to +125℃ Samples

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