CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
1. Short circuit may be applied to ground or to either supply.
2.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications
PARAMETER
Input Offset Voltage
For Equipment Design, V
SUPPLY
=
±15V,
Unless Otherwise Specified
CA3080
TEST CONDITIONS
I
ABC
= 5µA
I
ABC
= 500µA
TEMP
25
25
Full
MIN
-
-
-
-
-
-
-
-
-
-
-
-
10
-
-
12 to
-12
6700
5400
-
-
-
350
300
TYP
0.3
0.4
-
0.2
-
-
-
0.12
2
-
0.008
0.71
26
3.6
0.024
13.6 to
-14.6
9600
-
5.6
15
5
500
-
MAX
-
5
6
-
-
150
150
0.6
5
7
-
-
-
-
-
-
13000
-
-
-
-
650
-
MIN
-
-
-
-
-
-
-
-
-
-
-
-
10
-
-
12 to
-12
7700
4000
-
-
3
350
300
CA3080A
TYP
0.3
0.4
-
0.1
3.0
-
-
0.12
2
-
0.008
0.71
26
3.6
0.024
13.6 to
-14.6
9600
-
5.6
15
5
500
-
MAX
2
2
5
3
-
150
150
0.6
5
15
5
-
-
-
-
-
12000
-
-
-
7
650
-
UNITS
mV
mV
mV
mV
µV/
o
C
µV/V
µV/V
µΑ
µA
µA
nA
V
kΩ
pF
pF
V
µS
µS
pF
MΩ
µA
µA
µA
Input Offset Voltage Change
Input Offset Voltage Temp. Drift
Input Offset Voltage
Sensitivity
Input Offset Current
Input Bias Current
Positive
Negative
I
ABC
= 500µA to 5µA
I
ABC
= 100µA
I
ABC
= 500µA
25
Full
25
25
I
ABC
= 500µA
I
ABC
= 500µA
25
25
Full
Differential Input Current
Amplifier Bias Voltage
Input Resistance
Input Capacitance
Input-to-Output Capacitance
Common-Mode Input-Voltage
Range
Forward Transconductance
(Large Signal)
Output Capacitance
Output Resistance
Peak Output Current
I
ABC
= 0, V
DIFF
= 4V
I
ABC
= 500µA
I
ABC
= 500µA
I
ABC
= 500µA, f = 1MHz
I
ABC
= 500µA, f = 1MHz
I
ABC
= 500µA
I
ABC
= 500µA
25
25
25
25
25
25
25
Full
I
ABC
= 500µA, f = 1MHz
I
ABC
= 500µA
I
ABC
= 5µA, R
L
= 0Ω
I
ABC
= 500µA, R
L
= 0Ω
25
25
25
25
Full
2
CA3080, CA3080A
Electrical Specifications
PARAMETER
Peak Output
Voltage
Positive
Negative
Positive
Negative
Amplifier Supply Current
Device Dissipation
Magnitude of Leakage Current
Propagation Delay
Common-Mode Rejection Ratio
Open-Loop Bandwidth
Slew Rate
I
ABC
= 500µA
I
ABC
= 500µA
I
ABC
= 0, V
TP
= 0
I
ABC
= 0, V
TP
= 36V
I
ABC
= 500µA
I
ABC
= 500µA
I
ABC
= 500µA
Uncompensated
Compensated
I
ABC
= 500µA, R
L
=
∞
For Equipment Design, V
SUPPLY
=
±15V,
Unless Otherwise Specified
(Continued)
CA3080
TEST CONDITIONS
I
ABC
= 5µA, R
L
=
∞
TEMP
25
25
25
25
25
25
25
25
25
25
25
25
25
MIN
-
-
12
-12
0.8
24
-
-
-
80
-
-
-
TYP
13.8
-14.5
13.5
-14.4
1
30
0.08
0.3
45
110
2
75
50
MAX
-
-
-
-
1.2
36
-
-
-
-
-
-
-
MIN
12
-12
12
-12
0.8
24
-
-
-
80
-
-
-
CA3080A
TYP
13.8
-14.5
13.5
-14.4
1
30
0.08
0.3
45
110
2
75
50
MAX
-
-
-
-
1.2
36
5
5
-
-
-
-
-
UNITS
V
V
V
V
mA
mW
nA
nA
ns
dB
MHz
V/µs
V/µs
Schematic Diagram
7
D
3
Q
4
D
2
Q
5
Q
6
Q
7
D
4
Q
9
INVERTING
INPUT
NON-
INVERTING
INPUT
Q
8
2
3
Q
10
Q
3
D
1
Q
11
D
6
V-
4
Q
1
Q
2
OUTPUT
6
D
3
V+
AMPLIFIER 5
BIAS INPUT
Typical Applications
V+ = 15V
0.01µF
62kΩ
7
10kΩ
3
51Ω
390pF
300Ω
2
+
5
LOAD
(SCOPE PROBE)
6
5pF
1MΩ
4
0.01µF
OUTPUT
1V/DIV.
V
S
=
±15V
CA3080, A
-
10kΩ
V- = -15V
INPUT
5V/DIV.
TIME (0.1µs/DIV.)
0.001µF
FIGURE 1. SCHEMATIC DIAGRAM OF THE CA3080 AND CA3080A IN A UNITY-GAIN VOLTAGE FOLLOWER CONFIGURATION AND
ASSOCIATED WAVEFORM
3
CA3080, CA3080A
Typical Applications
20pF
8.2kΩ
(Continued)
+7.5V
VOLTAGE-CONTROLLED
CURRENT SOURCE
7
3
1kΩ
1kΩ
2
2MΩ
SYMMETRY
7.5V
100kΩ
MAX FREQ. SET
+7.5V
10kΩ
6.2kΩ
500Ω
FREQ.
ADJUST
500Ω
+7.5V
4.7kΩ
+
CA3080A
6
4
5
-7.5V
10 - 80pF
C
2
BUFFER VOLTAGE
FOLLOWER
+7.5V
0.9 - 7pF
C
1
6.2kΩ
3
+
6
HIGH-
FREQ.
SHAPE
CENTERING
100kΩ
-7.5V
THRESHOLD
DETECTOR
+7.5V
30kΩ
+7.5V
7
0.1µF
430pF
6.8MΩ
10kΩ
2
5
7
-
4 - 60pF CA3160
C
3
-
2
4
-
CA3080
6
4
+
-7.5V
10kΩ
50kΩ
C
5
15 - 115
3
0.1
µF
EXTERNAL
SWEEPING INPUT
-7.5V
MIN FREQ. SET
-7.5V
C
4
4 - 60
2kΩ
HIGH-FREQ.
LEVEL
ADJUST
2-1N914
FIGURE 2. 1,000,000/1 SINGLE-CONTROL FUNCTION GENERATOR - 1MHz TO 1Hz
NOTE: A Square-Wave Signal Modulates The External Sweeping
Input to Produce 1Hz and 1MHz, showing the 1,000,000/1 frequency
range of the function generator.
FIGURE 3A. TWO-TONE OUTPUT SIGNAL FROM THE
FUNCTION GENERATOR
NOTE: The bottom trace is the sweeping signal and the top trace is
the actual generator output. The center trace displays the 1MHz signal
via delayed oscilloscope triggering of the upper swept output signal.
FIGURE 3B. TRIPLE-TRACE OF THE FUNCTION GENERATOR
SWEEPING TO 1MHz
FIGURE 3. FUNCTION GENERATOR DYNAMIC CHARACTERISTICS WAVEFORMS
4
CA3080, CA3080A
Typical Applications
(Continued)
2.0kΩ
V+ = +15V
7
2
INPUT
3
2.0kΩ
5
30kΩ
0.01µF
3N138
6
220Ω
4
0.01µF
300pF
3kΩ
OUTPUT
-
CA3080A
+
STORAGE AND PHASE
COMPENSATION NETWORK
SAMPLE 0V
HOLD -15V
SLEW RATE (IN SAMPLE MODE) = 1.3V/µs
ACQUISITION TIME = 3µs (NOTE)
NOTE: Time required for output to settle within
±3mV
of a 4V step.
V- = -15V
FIGURE 4. SCHEMATIC DIAGRAM OF THE CA3080A IN A SAMPLE-HOLD CONFIGURATION
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