Siliconix LD121A: Difference between revisions

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|Part_nos=156-1305-00
|Part_nos=156-1305-00
|Description=4½ digit integrating ADC (digital section)
|Description=4½ digit integrating ADC (digital section)
|Used_in=DM501A;
|Used_in=7A13;DM501A;
}} in an 18-pin DIP.  
}} in an 18-pin DIP.  


==Used in==
==Used in==
* [[DM501A]] (A10U1603)
* [[7A13]] (S/N B0250000 and up, U636, with [[Siliconix LD122]] analog front-end, U637)
* [[DM501A]] (A10U1603, with [[Siliconix LD120]] analog front-end)
{{Part usage}}
{{Part usage}}


==Data==
==Data==
* [[Media:Siliconix_LD120_and_LD121A_datasheets.pdf|Siliconix LD120 and LD121A datasheets]]
* [[Media:Siliconix_LD120_and_LD121A_datasheets.pdf|Siliconix LD120 and LD121A datasheets]]
* [[Media:Component_news_256.pdf|Tek Component News 256, January-February 1978]]
* [[Media:Component_news_256.pdf|Tek Component News 256, January-February 1978]]:<br />''The LD 120/LD121 converter set will cost approximately $15.00 [$72 in 2024 dollars] in 1000 lot quantities, and should be considered for applications involving 4% digit DVM systems.'' 
* See also [[Siliconix LD120]]
* See also [[Siliconix LD120]]


[[Category:Digital integrated circuits]]
[[Category:Digital integrated circuits]]

Latest revision as of 09:45, 22 August 2024

The Siliconix LD121A  (P/N 156-1305-00) is a 4½ digit integrating ADC (digital section) monolithic integrated circuit in an 18-pin DIP.

Used in

Some instruments using part Siliconix LD121A

Instrument Manufacturer Class Model Description Introduced
7A13 Tektronix Plug-in 7A13 100 MHz Differential Comparator 1969
DM501A Tektronix Plug-in DM501A 4½ digit True RMS multimeter 1980

Data