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SNOSBW2F – NOVEMBER 1999 – REVISED NOVEMBER 2015 LM13700 Dual Operational Transconductance Amplifiers
With Linearizing Diodes and Buffers
1 Features 3 Description The LM13700 series consists of two currentcontrolled transconductance amplifiers, each with
differential inputs and a push-pull output. The two
amplifiers share common supplies but otherwise
operate independently. Linearizing diodes are
provided at the inputs to reduce distortion and allow
higher input levels. The result is a 10-dB signal-tonoise improvement referenced to 0.5 percent THD.
High impedance buffers are provided which are
especially designed to complement the dynamic
range of the amplifiers. The output buffers of the
LM13700 differ from those of the LM13600 in that
their input bias currents (and thus their output DC
levels) are independent of IABC. This may result in
performance superior to that of the LM13600 in audio
applications. 1 gm Adjustable Over 6 Decades
Excellent gm Linearity …
