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LM13700 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor. Click here to check the latest version.
Part No. LM13700
Description  Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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LM13700 Datasheet(HTML) 1 Page - National Semiconductor (TI)

 
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LM13700/LM13700A
Dual Operational Transconductance Amplifiers with
Linearizing Diodes and Buffers
General Description
The LM13700 series consists of two current controlled
transconductance amplifiers, each with differential inputs
and a push-pull output. The two amplifiers share common
supplies but otherwise operate independently. Linearizing di-
odes are provided at the inputs to reduce distortion and allow
higher input levels. The result is a 10 dB signal-to-noise im-
provement 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 hence their output DC lev-
els) are independent of I
ABC. This may result in performance
superior to that of the LM13600 in audio applications.
Features
n gm adjustable over 6 decades
n Excellent gm linearity
n Excellent matching between amplifiers
n Linearizing diodes
n High impedance buffers
n High output signal-to-noise ratio
Applications
n Current-controlled amplifiers
n Current-controlled impedances
n Current-controlled filters
n Current-controlled oscillators
n Multiplexers
n Timers
n Sample-and-hold circuits
Connection Diagram
Dual-In-Line and Small Outline Packages
DS007981-2
Top View
Order Number LM13700M, LM13700N or LM13700AN
See NS Package Number M16A or N16A
May 1998
© 1999 National Semiconductor Corporation
DS007981
www.national.com


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