ICL7135C Datasheet, PDF (5/11 Pages) Texas Instruments – 4 1/2-DIGIT PRECISION ANALOG-TO-DIGITAL CONVERTERS

timing diagrams (continued)
Digital Scan
for OVER-RANGE
1000 Counts
ICL7135C, TLC7135C
4 1/2-DIGIT PRECISION
ANALOG-TO-DIGITAL CONVERTERS
SLAS074B – DECEMBER 1986 – REVISED MAY 1999
D5
D4
D3
D2
D1
Figure 2
Integrator Output
AUTO ZERO
10,001 Counts
Signal Int
10,000
Counts
De-Integrate
20,001 Counts Max
BUSY
Full Measurement Cycle
40,002 Counts
OVER RANGE
When Applicable
UNDER RANGE
When Applicable
Figure 3
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