CA3280, CA3280A
Typical Performance Curves
1
5
10
10
o
o
T
V
= 25 C
T
= 25 C
A
S
A
= ±15V
I
= 3mA
ABC
4
3
2
10
10
10
I
= 300µA
ABC
ABC
1
I
I
= 30µA
= 3.0µA
= 0.3µA
ABC
-1
1
10
10
I
ABC
1
I
= 0.03µA
ABC
-2
0.1
10
-1
1
2
3
1
2
3
4
5
6
7
8
9
10
1
10
DIODE CURRENT (µA)
10
10
10
10
10
10
10
10
10
10
10
FREQUENCY (Hz)
FIGURE 11. AMPLIFIER GAIN vs FREQUENCY
FIGURE 12. SUPPLY CURRENT vs DIODE CURRENT
3
2
1
10
V
= ±15V
S
o
T
T
= -55 C
A
o
0
= 25 C
2
1
A
10
10
o
o
T
= 125 C
T
T
T
= 125 C
o
A
A
-1
-2
-3
-4
-5
= 25 C
o
A
= -55 C
A
o
T
= 125 C
A
1
1
2
3
10
1
10
10
1
2
3
10
1
10
10
AMPLIFIER BIAS CURRENT (µA)
AMPLIFIER BIAS CURRENT (µA)
FIGURE 13. INPUT OFFSET CURRENT vs AMPLIFIER BIAS
CURRENT
FIGURE 14. INPUT OFFSET VOLTAGE vs AMPLIFIER BIAS
CURRENT
6
16
10
V
= ±15V
S
15
5
10
o
T
= 125 C
A
14
13
4
3
2
1
10
10
10
10
o
T
T
T
= 125 C
A
o
o
T
= 125 C
0
-13
A
= 25 C
A
o
o
T
= 25 C
A
= -55 C
A
o
T
= -55 C
A
-14
o
T
= 25 C
A
-15
-16
1
1
2
3
1
10
10
10
0
1
2
3
4
5
6
7
8
9
10
AMPLIFIER BIAS CURRENT (µA)
DIFFERENTIAL INPUT VOLTAGE (V)
FIGURE 15. PEAK OUTPUT VOLTAGE vs AMPLIFIER BIAS
CURRENT
FIGURE 16. INPUT CURRENT vs INPUT DIFFERENTIAL
VOLTAGE
8
INTERSIL [ Intersil ]
