CA3080(1998) Просмотр технического описания (PDF) - Intersil
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CA3080 Datasheet PDF : 11 Pages
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CA3080, CA3080A
Typical Applications (Continued)
R1
INPUT 2K
SAMPLE
CONTROL
AMPLIFIER
+7.5V
7
3
+
CA3080A
6
(OTA)
2-
4
5
R2
2K
-7.5V
C2
SAMPLE 0V
HOLD -7.5
0.1µF
R2
STROBE 15K
C1
200pF
R3
400
SAMPLE
+7.5V
READ-OUT
AMPLIFIER
C3
R4
7
3
+
0.1µF
2K
CA3130
6
2
-
4
8 C4
1
0.1
5 C5
µF
R6 156
100K pF
NULLING
STORAGE
AND PHASE
COMPENSATION
-7.5V
OUTPUT
R7
CL
2K
e.g. 30pF (TYP)
R5
2K
C6
0.1µF
FIGURE 10. SCHEMATIC DIAGRAM OF THE CA3080A IN A SAMPLE-HOLD CIRCUIT WITH BIMOS OUTPUT AMPLIFIER
0
0
0
Top Trace:
Center Trace:
Bottom Trace:
Output; 5V/Div., 2µs/Div.
Differential Comparison of Input and Output
2mV/Div., 2µs/Div.
Input; 5V/Div., 2µs/Div.
FIGURE 11. LARGE-SIGNAL RESPONSE FOR CIRCUIT
SHOWN IN FIGURE 10
0
0
Top Trace:
Bottom Trace:
Output
20mV/Div., 100ns/Div.
Input
200mV/Div., 100ns/Div.
FIGURE 12. SMALL-SIGNAL RESPONSE FOR CIRCUIT SHOWN
IN FIGURE 10
7
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