CA3280A Intersil Corporation, CA3280A Datasheet - Page 7

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

Typical Performance Curves
FIGURE 13. INPUT OFFSET CURRENT vs AMPLIFIER BIAS
FIGURE 15. PEAK OUTPUT VOLTAGE vs AMPLIFIER BIAS
10
10
10
-13
-14
-15
-16
10
10
10
10
10
16
15
14
13
0.1
1
3
2
1
0
1
5
4
3
2
1
10
1
1
FIGURE 11. AMPLIFIER GAIN vs FREQUENCY
I
1
ABC
I
I
I
I
I
V
V
ABC
ABC
ABC
ABC
ABC
S
S
T
T
10
= ±15V
T
= ±15V
A
A
= 0.03µA
CURRENT
CURRENT
A
= 3mA
= 300µA
= 30µA
= 3.0µA
= 0.3µA
2
= 125
= -55
= 25
10
o
o
o
AMPLIFIER BIAS CURRENT (µA)
AMPLIFIER BIAS CURRENT (µA)
C
C
C
3
T
T
10
10
T
10
A
A
A
= 125
1
1
4
= -55
FREQUENCY (Hz)
= 25
10
7
o
o
o
C
C
C
5
10
6
T
T
T
A
A
A
10
10
10
= 125
= 25
= -55
2
2
7
o
o
o
C
10
C
C
T
8
A
= 25
10
o
9
C
10
10
3
3
FIGURE 14. INPUT OFFSET VOLTAGE vs AMPLIFIER BIAS
FIGURE 16. INPUT CURRENT vs INPUT DIFFERENTIAL
10
10
10
10
10
10
10
10
-1
-2
-3
-4
-5
10
2
1
0
FIGURE 12. SUPPLY CURRENT vs DIODE CURRENT
1
6
5
4
3
2
1
-1
-2
1
1
1
10
0
-1
T
V
A
S
1
= 25
= ±15V
T
CURRENT
VOLTAGE
A
T
T
= 125
o
A
A
C
2
= 125
DIFFERENTIAL INPUT VOLTAGE (V)
= 25
AMPLIFIER BIAS CURRENT (µA)
1
o
C
o
o
3
10
C
C
DIODE CURRENT (µA)
1
4
T
T
T
A
A
10
A
5
= 125
= -55
1
= 25
o
o
o
6
C
C
C
10
2
7
10
2
8
9
10
10
10
3
3