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}} | ||
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
- 7A13 (S/N B0250000 and up, U636, with Siliconix LD122 analog front-end, U637)
- DM501A (A10U1603, with Siliconix LD120 analog front-end)
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
- Siliconix LD120 and LD121A datasheets
- Tek Component News 256, January-February 1978:
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