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Buffer Amplifiers

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About Buffer Amplifiers

Buffer amplifiers have unity gain. They are used to match impedances between two devices, or as isolators. Buffer amplifiers carry performance specifications such as operating temperature, input offset voltage, supply voltage, supply current and bandwidth. Slew rate and bandwidth are also important considerations. With buffer amplifiers, slew rate at which the output voltage changes in response to a step input. Bandwidth refers to the ability of a buffer amplifier to provide a maximum output voltage swing with increasing frequency. At some frequency, the output will become the slew rate and begin to degrade. 

Buffer amplifiers are available in several integrated circuit (IC) package types. Examples include single in-line package (SIP), dual in-line package (DIP), ceramic DIP (CDIP), and plastic DIP (PDIP). Small outline IC (SOIC), shrink small outline package (SSOP), small outline package (SOP) and chip scale or chip size package (DSP) products are also available. Additional IC package types for buffer amplifiers include mini small outline plastic package (MSOP), small outline transistor (SOT), power small outline package (PSOP), thin shrink small outline L-leaded package (TSSOP), quarter size outline package (QSOP), and plastic leaded chip carrier (PLCC).  

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Part Numbers for Buffer Amplifiers

Part # Distributor Manufacturer Product Category Description
MGA-565P8-BLK Digi-Key Avago Technologies US Inc. RF and RFID IC AMP BUFFER RFIC 2GHZ 8-LPCC
LME49610TS/NOPB Digi-Key National Semiconductor Integrated Circuits (ICs) IC AUDIO BUFFER 250MA TO263-5
MGA-565P8-TR1 Digi-Key Avago Technologies US Inc. RF and RFID IC AMP BUFFER RFIC 2GHZ 8-LPCC
MGA-565P8-TR2 Digi-Key Avago Technologies US Inc. RF and RFID IC AMP BUFFER RFIC 2GHZ 8-LPCC
LME49600TS/NOPB Digi-Key National Semiconductor Integrated Circuits (ICs) IC AMP BUFFER AUD HI FI TO-263-5

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