LM13700: Difference between revisions
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* [http://www.idea2ic.com/LM13600/LM13700.html The LM13600/LM13700 Story]
* [http://www.idea2ic.com/LM13600/SpiceSubcircuit/LM13700_SpiceModel.html A more accurate LM13700 SPICE subcircuit]
* [http://www.alfarzpp.lv/eng/sc/AS13704.php AS13704], LM13700 functional replacement (without output buffers) by ALFA RPAR AS in [[SSOP24]] package.
[[Category:Linear ICs]]
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Revision as of 09:14, 19 July 2018
The LM13700 (co-invented by Bill Gross and Don Sauer)[1] consists of two current controlled operational transconductance amplifiers (OTA), each having differential inputs and a push-pull output. The LM13700 is like a standard op-amp: each has a pair of differential inputs and a single output, but an OTA is voltage in and current out rather than voltage in and voltage out; and OTAs are programmable via the IABC pin. Linearizing diodes at the input reduce distortion and allow increased input levels. The darlington output buffers provided are specifically designed to complement the wide dynamic range of the OTA. This chip is very useful in audio electronics especially in analog synthesizer circuits like voltage controlled oscillators, voltage controlled filters, and voltage controlled amplifiers. The darlington output buffers on the LM13700 are different from those on the LM13600 in that their bias currents (and hence their output DC levels) are independent of IABC pin. This usually results in performance superior to that of the LM13600 in audio applications.
See also
This page uses Creative Commons Licensed content from Wikipedia:LM13700 (view authors).
References
- ^ Acknowledgements, Music From Outer Space website
External links
- The LM13600/LM13700 Story
- A more accurate LM13700 SPICE subcircuit
- AS13704, LM13700 functional replacement (without output buffers) by ALFA RPAR AS in SSOP24 package.