CA3080A Intersil, CA3080A Datasheet - Page 10

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

Typical Performance Curves
FIGURE 26. INPUT RESISTANCE vs AMPLIFIER BIAS CURRENT
FIGURE 28. INPUT AND OUTPUT CAPACITANCE vs AMPLIFIER
FIGURE 24. DIFFERENTIAL INPUT CURRENT TEST CIRCUIT
0.01
100
0.1
10
7
6
5
4
3
2
1
0
0.1
1
V
0.1
DIFF
SUPPLY VOLTS: V
f = 1 MHz
T
A
SUPPLY VOLTS: V
T
A
= 25
= 4V
BIAS CURRENT
= 25
o
C
o
C
AMPLIFIER BIAS CURRENT ( A)
AMPLIFIER BIAS CURRENT ( A)
1
1
1
S
S
= 15V
= 15V
10
2
3
10
10
CA3080, A
4
V+ = 15V
V- = -15V
(Continued)
100
100
7
5
C
O
C
I
6
CA3080, CA3080A
1000
1000
FIGURE 25. INPUT CURRENT vs INPUT DIFFERENTIAL VOLTAGE
FIGURE 29. OUTPUT RESISTANCE vs AMPLIFIER BIAS
FIGURE 27. AMPLIFIER BIAS VOLTAGE vs AMPLIFIER BIAS
10
10
10
10
900
800
700
600
500
400
300
200
100
10
10
10
10
10
1
5
4
3
2
0
1
4
3
2
0.1
0.1
0
SUPPLY VOLTS: V
SUPPLY VOLTS: V
CURRENT
CURRENT
1
SUPPLY VOLTS: V
T
AMPLIFIER BIAS CURRENT ( A)
INPUT DIFFERENTIAL VOLTAGE (V)
AMPLIFIER BIAS CURRENT ( A)
A
1
= 25
1
2
o
S
C
125
= 15V
S
= 15V
o
3
125
C
10
10
o
25
C
S
25
o
= 15V
C
4
-55
o
C
o
C
5
100
100
6
1000
1000
7