The AU5517 and NE5517 contain two current-controlled transconductance amplifiers, each with a differential input and push-pull output. The AU5517/NE5517 offers significant design and performance advantages over similar devices for all types of programmable gain applications. Circuit performance is enhanced through the use of linearizing diodes at the inputs which enable a 10 dB signal-to-noise improvement referenced to 0.5% THD. The AU5517/NE5517 is suited for a wide variety of industrial and consumer applications.

Features
• Constant Impedance Buffers
• ΔVBE of Buffer is Constant with Amplifier IBIAS Change
• Excellent Matching Between Amplifiers
• Linearizing Diodes
• High Output Signal-to-Noise Ratio
• Pb−Free Packages are Available*

Applications
• Multiplexers
• Timers
• Electronic Music Synthesizers
• Dolby® HX Systems
• Current-Controlled Amplifiers, Filters
• Current-Controlled Oscillators, Impedances