ca3280 Intersil Corporation, ca3280 Datasheet - Page 8

• Manufacturer Part Number: ca3280
• 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
T
S
S
T
A
T
10
A
CURRENT
CURRENT
= 15V
= 15V
A
= 0.03 A
= 125
= -55
= 3mA
= 300 A
= 30 A
= 3.0 A
= 0.3 A
2
= 25
o
o
o
10
C
C
C
AMPLIFIER BIAS CURRENT ( A)
AMPLIFIER BIAS CURRENT ( A)
3
T
T
10
10
T
A
10
A
A
= 125
1
4
= -55
1
FREQUENCY (Hz)
= 25
10
8
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
CA3280, CA3280A
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
6
5
4
3
2
1
1
-1
-2
1
1
1
10
0
-1
T
V
A
S
1
= 25
CURRENT
VOLTAGE
= 15V
T
A
T
T
o
= 125
A
A
C
2
= 125
= 25
DIFFERENTIAL INPUT VOLTAGE (V)
AMPLIFIER BIAS CURRENT ( A)
1
o
C
o
o
3
C
10
C
DIODE CURRENT ( A)
1
4
T
T
A
T
A
10
A
5
= 125
= -55
= 25
1
o
o
o
6
C
C
C
10
2
7
10
2
8
9
10
10
10
3
3