MAX133

The MAX133 is intergrating A/D converter for 3 3/4 digit multimeters and data acquisition systems such as data loggers and weigh scales.The A/D is internal resolution is +/- 40,000 counts.An extra digit is supplied as a guard digit to allow autozero or tare of a 4000 count displayed reading to 1/10 of a displayed count.

Features of the TC74LCX125F are:(1)40,000 count resolution; (2)0.025% accuracy ; (3)20 conversions per second ; (4)microprocessor interface; (5)100uA operating supply current; (6)low external component count; (7)5uV resolution; (8)demonstration kit available.

The absolute maximum ratings of the TC74LCX125F can be summarized as:(1): supply voltage:V+ to V- is +15 V; V+ to DGND is +6 V;V- to DGND is -9 V; (2): analog input voltage(any input) is V+ to V-; (3): reference input voltage is V+ to V-; (4): digital inputs are (DGND-0.3 V) to (V+ +0.3 V); (5): power dissipation is 800 mW; (6): storage temperature is -65 to +150; (7): lead temperature(soldering 10 sec) is +300.