CA3080A Intersil, CA3080A Datasheet - Page 7

• Manufacturer Part Number: CA3080A
• Description: 2MHz / Operational Transconductance Amplifier
• Manufacturer: Intersil

Typical Applications
FIGURE 11. LARGE-SIGNAL RESPONSE FOR CIRCUIT
0
0
0
Bottom Trace:
Center Trace:
Top Trace:
SAMPLE
HOLD
FIGURE 10. SCHEMATIC DIAGRAM OF THE CA3080A IN A SAMPLE-HOLD CIRCUIT WITH BIMOS OUTPUT AMPLIFIER
SHOWN IN FIGURE 10
-7.5
0V
INPUT
Output; 5V/Div., 2 s/Div.
Differential Comparison of Input and Output
2mV/Div., 2 s/Div.
Input; 5V/Div., 2 s/Div.
STROBE
R
2K
1
7
(Continued)
3
2
AMPLIFIER
CONTROL
0.1 F
SAMPLE
15K
2K
C
R
R
2
2
2
CA3080A
(OTA)
+
-
5
-7.5V
7
4
+7.5V
200pF
400
C
R
6
CA3080, CA3080A
1
3
STORAGE
AND PHASE
COMPENSATION
R
2K
4
0
0
FIGURE 12. SMALL-SIGNAL RESPONSE FOR CIRCUIT SHOWN
NULLING
Bottom Trace:
3
2
AMPLIFIER
READ-OUT
SAMPLE
Top Trace:
100K
R
5
6
CA3130
+
-
IN FIGURE 10
1
156
pF
C
5
7
8
+7.5V
-7.5V
Output
20mV/Div., 100ns/Div.
Input
200mV/Div., 100ns/Div.
0.1 F
4
C
C
0.1
F
3
4
6
R
2K
5
R
2K
7
C
0.1 F
6
OUTPUT
e.g. 30pF (TYP)
C
L