TC7117A

Supply Voltage:
TC7116/TC7116A (V+ to V-) ...........................15V
TC7117/TC7117A (V+ to GND) ................................+6V
V- to GND.................................................................-9V
Analog Input Voltage (Either Input) (Note 1) ... V+ to VReference
Input Voltage (Either Input) ...................... V+ to VClock
Input:
TC7116/TC7116A.......................................... TEST to V+
TC7117/TC7117A............................................GND to V+
Package Power Dissipation; TA  70°C (Note 2)
40-Pin CDIP ..........................................................2.29W
40-Pin PDIP ..........................................................1.23W
44-Pin PLCC...........................................................1.23W
44-Pin PQFP...........................................................1.00W
Operating Temperature:
C (Commercial) Device ........................... 0°C to +70°C
I (Commercial) Device............................. 0°C to +70°C
Storage Temperature..........................-65°C to +150°C

The TC7116A/TC7117A are 3-1/2 digit CMOS analogto- digital converters (ADCs) containing all the active components necessary to construct a 0.05% resolution measurement system. Seven-segment decoders, polarity and digit drivers, voltage reference, and clock circuit are integrated on-chip. The TC7116A drives liquid crystal displays (LCDs) and includes a backplane driver. The TC7117A drives common anode light emitting diode (LED) displays directly with an 8mA drive current per segment.

These devices incorporate a display hold (HLDR) function. The displayed reading remains indefinitely, as long as HLDR is held high. Conversions continue, but output data display latches are not updated. The referencelow input (VREF-) is not available, as it is with the TC7106/7107. VREF- is tied internally to analog common in the TC7116A/7117A devices.