CA3080A Intersil, CA3080A Datasheet - Page 5

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

Typical Applications
NOTE: Time required for output to settle within ±3mV of a 4V step.
SAMPLE 0V
HOLD -15V
-15
0
FIGURE 4. SCHEMATIC DIAGRAM OF THE CA3080A IN A SAMPLE-HOLD CONFIGURATION
INPUT
INPUT
2.0kΩ
5
(Continued)
SAMPLE
HOLD
2
3
STROBE
2kΩ
2.0kΩ
CA3080A
-
+
5
30kΩ
7
FIGURE 5. SAMPLE AND HOLD CIRCUIT
200pF
4
2kΩ
3
2
STORAGE AND PHASE
COMPENSATION NETWORK
1N914
1N914
30kΩ
0.1µF
CA3080, CA3080A
0.01µF
0.01µF
CA3080A
+
-
220Ω
6
5
+15V
200pF
-15V
400Ω
7
4
300pF
0.1µF
6
3N138
V+ = +15V
V- = -15V
2kΩ
3kΩ
3
2
SLEW RATE (IN SAMPLE MODE) = 1.3V/µs
ACQUISITION TIME = 3µs (NOTE)
100kΩ
SIMULATED LOAD
NOT REQUIRED
OUTPUT
CA3140
+
-
5
0.1µF
+15V
2kΩ
7
1
0.1µF
4
-15V
6
0.1
µF
3.6kΩ
30pF
2kΩ