Product Descriptions

The NJU9203B/9204B are low-power-consumption, high-performance 3.1/2 digit single chip A/D converterswith display hold containing a voltage reference, os-cillator, 3.1/2 digits A/D converter,7-segment decoder,display driver and control circuits.

The NJU9203B is designedfor direct LCD driving andthe NJU9204B for LED direct driving.

The NJU9203B/9204B can be operated on simple applica-tion circuits as they require only few external compo-nents, therefore they are most suited for digital multimeter, digital thermometer and other likes.

Product Features

Display Hold Function

Guaranteed 0 reading for 0 input on all scales

Polarity detection at 0 point

using a high-accuracy nul I-detection

Low Input Current--------------1pA typ

True differential input

Display device direct driving

NJU9203B-------------LCD

NJU9204B-------------LED

Reference and Oscillation Circuits incorporated

Low power consumption

No external active components required

Package Outline------------DIP 40 /DMP 42

C-MOS Technology

Product Photos

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