Siliconix LD110/111A

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

The 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

• DM502A – A15U1311 (LD110) and A15U1461 (LD111A)
• DM505 – A10U1201 and A10U1303

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

• Siliconix LD110/111A data sheet

block diagram (click to enlarge)