ICL8052/ICL71C03 데이터 시트보기 (PDF) - Intersil
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ICL8052/ICL71C03 Datasheet PDF : 19 Pages
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ICL8052/ICL71C03, ICL8068/ICL71C03
4
VIN
VREF (+1.000V)
BUFFER
5
2
1µF
CREF
1
6
-
A1
+
CSTRAY
RINT
CINT
INTEGRATOR
-
A2
+
COMPARATOR
-
A3
+
ZERO
CROSSING
DETECTOR
CAZ
3
FIGURE 2A. PHASE I AUTO-ZERO
4
VIN
VREF (+1.000V)
BUFFER
5
2
1µF
CREF
1
6
-
A1
+
CSTRAY
RINT
CINT
INTEGRATOR
-
A2
+
COMPARATOR
-
ZERO
A3
CROSSING
+
DETECTOR
CAZ
3
FIGURE 2B. PHASE II INTEGRATE INPUT
POLARITY
FF
4
VIN
VREF (+1.000V)
BUFFER
5
2
1µF
CREF
1
6
-
A1
+
CSTRAY
RINT
CINT
INTEGRATOR
-
A2
+
COMPARATOR
-
ZERO
A3
CROSSING
+
DETECTOR
CAZ
3
FIGURE 2C. PHASE III + DEINTEGRATE
POLARITY
FF
4
VIN
VREF (+1.000V)
BUFFER
5
2
1µF
CREF
1
6
-
A1
+
CSTRAY
RINT
CINT
INTEGRATOR
-
A2
+
COMPARATOR
-
ZERO
A3
CROSSING
+
DETECTOR
CAZ
POLARITY
3
FF
FIGURE 2D. PHASE III - DEINTEGRATE
FIGURE 2. ANALOG SECTION OF EITHER ICL8052 OR ICL8068 WITH ICL71C03
3-40
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