CA3280A Intersil Corporation, CA3280A Datasheet - Page 4

• Manufacturer Part Number: CA3280A
• Description: Dual 9MHz Operational Transconductance Amplifier (OTA)
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
30V
0V
FIGURE 1. LEAKAGE CURRENT TEST CIRCUIT
TEST
POINT
10kΩ
10kΩ
10kΩ
10kΩ
FIGURE 3A. EFFECTS OF DIODE LINEARIZATION, WITH DIODE PROGRAMMING TERMINAL ACTIVE
I
16
15
10
I
9
DIODE
15
16
I
4
DIODE
1/2
CA3280
1
1/2
CA3280
8
I
14
ABC
FIGURE 3B. WITH DIODE PROGRAMMING TERMINAL CUTOFF
1/2
CA3280
3
V-
-15V
3
-
+
11
4
V+
15V
+30V
4
14
I
1
V+
15V
ABC
6
FIGURE 3. CA3280 TRANSFER CHARACTERISTICS
V-
-15V
4
13
12
13
1kΩ
1kΩ
I
I
OUT
OUT
INPUT
I
ABC
FIGURE 2. CHANNEL SEPARATION TEST CIRCUIT
I
ABC
= 650µA, I
1kΩ
= 650µA; I
Horizontal = 25mV/Div.
1kΩ
Horizontal = 1V/Div.
D
0.1
µF
= 200µA; Vertical = 200µA/Div.;
D
16
15
= 0; Vertical = 200µA/Div.;
1/2
CA3280
V
V
+
-
4
IN
IN
30kΩ
V-
14
V+
3
0.1µF
30kΩ
V+
13
OUTPUT
10kΩ