LM13700N datasheet(1/24 Pages) NSC

Il numero della parte	LM13700N

Spiegazioni elettronici	Dual Operational Transconductance Amplifiers with Linearizing Diodes and Buffers

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Produttore elettronici	NSC [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

DS007981

www.national.com

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