Siliconix LD110/111A

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The Siliconix LD110/111(A)  (P/N 156-0476-00,156-0476-00,156-1268-00) is a 3½ digit A/D converter monolithic integrated circuit chip set.

The LD111 (156-0477-00) / LD111A (156-1268-00) is an analog processor in mixed bipolar and MOSFET technology.

The LD110 (156-0476-00) is is a PMOS digital processor that combines counting, storage, and data multiplexing functions.

Used in

  • DM502 – U335 (LD110) and U290 (LD111)
  • DM502A – A15U1311 (LD110) and A15U1461 (LD111A)
  • DM505 – A10U1201 (LD111A) and A10U1303 (LD110)

Some instruments using part Siliconix LD110/111A

Instrument Manufacturer Class Model Description Introduced
DM502 Tektronix Plug-in DM502 basic 3½ digit digital multimeter 1975
DM502A Tektronix Plug-in DM502A 3½ digit TRMS digital multimeter 1980
DM505 Tektronix Plug-in DM505 basic 3½ digit digital multimeter 1980

Documents

block diagram (click to enlarge)