ZN428 Datasheet (ETC) - 8-BIT LATCHED INPUT D-A CONVERTER

ZN428, 8-BIT LATCHED INPUT D-A CONVERTER

THIS DOCUMENT IS FOR MAINTENANCE PURPOSES ONLY AND IS NOT RECOMMENDED FOR NEW DESIGNS AUGUST 1994 DS3007-2.1 ZN428E8/ZN428J8/ZN428D 8-BIT LATCHED INPUT D-A CONVERTER The ZN428 is a monolithic 8-bit D-A converter with input latches to facilitate updating from a data bus.

The latch is transparent when enable is LOW and the data is held when enable is taken HIGH.

The ZN428 also contains a 2.5V reference the use of which is pin optional to retain ﬂexibility.

An external ﬁxed or varying reference m

ZN428 Features

* s Contains DAC with Data Latch and On-Chip Reference s Guaranteed Monotonic over the Full Operating Temperature Range s Single +5V Supply s Microprocessor Compatible s TTL and 5V CMOS Compatible s 800ns Settling Time s Complementary to ZN427 A to D Series s Commercial or Military Temperature Range O