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.
θ
JA
is measured with the component mounted on an evaluation PC board in free air.
2. CA3100 does not contain circuitry to protect against short circuits in the output.
T
A
= 25
o
C, V
SUPPLY
= ±15V,
Unless Otherwise Specified
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Electrical Specifications
PARAMETER
DC
Input Offset Voltage
Input Bias Current
Input Offset Current
V
IO
I
IB
I
IO
V
lCR
CMRR
V
OM
+
V
OM
-
V
O
= 0
±0.1V
V
O
= 0
±1V
V
O
= 0
±1V
CMRR
≥
76dB
V
CM
=
±12V
Differential Input Voltage = 0
±0.1V,
R
L
= 2kΩ
-
-
-
±12
76
+9
±1
0.7
±0.05
+14
-13
90
+11
±5
2
±0.4
-
mV
µA
µA
V
Common Mode Input Voltage Range
Common Mode Rejection Ratio
Maximum Output Voltage
-
-
dB
V
-9
Differential Input Voltage = 0 + 0.1V,
R
L
= 250Ω
+15
-11
+30
-
-
V
mA
Maximum Output Current
I
OM
+
I
OM
-
-15
V
O
= 0
±0.1V,
R
L
≥
10kΩ
∆V+
=
±1V, ∆V-
=
±1V
-
60
-30
8.5
70
-
10.5
-
mA
mA
dB
Supply Current
Power Supply Rejection Ratio
DYNAMIC
Unity-Gain Crossover Frequency
Open Loop Voltage Gain
I+
PSRR
f
T
A
OL
C
C
= 0, V
O
= 0.3V
P-P
f = 1kHz, V
O
=
±1V,
(Note 3)
f = 1MHz, C
C
= 0, V
O
= 10V
P-P
-
56
36
50
-
0.8
-
-
-
38
61
42
70
25
1.2
0.4
30
110
-
-
-
-
-
-
-
-
-
MHz
dB
dB
V/µs
V/µs
MHz
MHz
kΩ
Ω
Slew Rate
SR
A
V
= 10, C
C
= 0, V
I
= 1V (Pulse)
A
V
= 1, C
C
= 10pF, V
I
= 10V (Pulse)
Full Power Bandwidth (Note 4)
FPBW
A
V
= 10, C
C
= 0, V
O
= 18V
P-P
A
V
= 1, C
C
= 10pF, V
O
= 18V
P-P
Open Loop Differential Input Impedance
Open Loop Output lmpedance
Z
I
Z
O
f = 1MHz
f = 1MHz
3-2
CA3100
Electrical Specifications
PARAMETER
Wideband Noise Voltage (RTI)
Settling Time (To Within
±50mV
of 9V
Output Swing)
NOTES:
3. Low frequency dynamic characteristic.
Slew Rate
4. Full Power Bandwidth
= --------------------------
.
-
πV
O P
–
P
T
A
= 25
o
C, V
SUPPLY
= ±15V,
Unless Otherwise Specified
(Continued)
SYMBOL
e
N
(Total)
tS
TEST CONDITIONS
BW = 1MHz, R
S
= 1kΩ
R
L
= 2kΩ, C
L
= 20pF
MIN
-
-
TYP
8
0.6
MAX
-
-
UNITS
µV
RMS
µs
Test Circuits
V+
7
0.1µF
V
I
3
V
I
HP606A
OR
EQUIV
8
51Ω
2
+
CA3100
3
6
20pF
4
5
1
0.1µF
V-
WITH V
I
= 0 ADJ
POTENTIO-
METER (R
X
)
TO GIVE
V
O
= 0
±
0.1V
DC
+1V
PULSE
t
R
≤
10ns
t
WIDTH
≥
1µs
51Ω
2kΩ
220Ω
2kΩ
V
O
2
A
OL
=
V
O
V
I
θ
OL
V+
7
0.1µF
+
CA3100
V
O
6
SLOPE = SR
-
-
4
0.1
µF
20
pF
2kΩ
C
C
R
X
SET V
I
TO GIVE
10kΩ
DESIRED V
O
LEVEL
AT TEST FREQUENCY NULL ADJUST
AT FREQUENCY > 1MHz V
I
POTENTIOMETER AND V
O
MEASURED WITH
HF8405A VECTOR
VOLTMETER
V-
FIGURE 1. OPEN-LOOP VOLTAGE GAIN TEST CIRCUIT AND
OFFSET ADJUST CIRCUIT
10pF V+
FIGURE 2. SLEW RATE IN 10X AMPLIFIER TEST CIRCUIT
A
V
= 100
+15V
INPUT REFERRED
NOISE VOLTAGE
e
NO
e
NI
=
100
3
7
0.1µF
+
CA3100
POST AMPL. AND
2 POLE 1MHz
FILTER
1
V
I
3
51Ω
2
+10V
PULSE
t
R
≤
10ns
t
WIDTH
≥
1µs
3
7
+
CA3100
6
0.1µF
SLOPE = SR
V
O
6
-
5
2kΩ
R
S
2
-
4
420Ω
HP400EL
VTVM
500pF
4
0.1µF
47Ω
0.1µF
e
NO
V-
-15V
FIGURE 3. FOLLOWER SLEW RATE TEST CIRCUIT
FIGURE 4. WIDEBAND INPUT NOISE VOLTAGE TEST CIRCUIT
3-3
CA3100
Test Circuits
(Continued)
1pF
+15V
7
±1V
9.1kΩ
3
+
CA3100
6
V
OM
4
1kΩ
1kΩ
R
L
2kΩ
51Ω
1kΩ
1
R
L
= 250Ω FOR I
OM
TEST
V
O
I
OM
=
250Ω
V
I
=
±9V
7
2kΩ
2
2kΩ
+15V
0.1µF
V
O
=
±9V
6
4
8
0.1
µF
-15V
20pF
-
CA3100
+
2
-
3
12pF
-15V
2kΩ
2kΩ
SETTLING POINT TO SCOPE
FIGURE 5. OUTPUT VOLTAGE SWING (V
OM
), OUTPUT
CURRENT SWING (I
OM
) TEST CIRCUIT
FIGURE 6. SETTLING TIME TEST CIRCUIT
Schematic Diagram
7
R
4
750Ω
R
5
750Ω
Q
2
Q
1
Q
3
V+
R
6
12kΩ
NON-
INVERT
INPUT
+
3
INVERT
INPUT
2
Q
4
Q
5
Q
6
Q
8
Q
9
D
4
Q
10
Q
16
Q
19
Q
20
D
5
Q
17
Q
13
D
2
D
3
C
1
10pF
R
1
2.5kΩ
Q
7
-
Q
12
Q
11
Q
14
R
10
20Ω
R
11
20Ω
Q
15
OUTPUT
6
8
PHASE
COMP
R
9
200Ω
Q
18
OFFSET
NULL
5
1
OFFSET
NULL
AND PHASE
COMP
R
7
10kΩ
Q
23
Q
22
Q
21
R
8
200Ω
R
12
50Ω
V- 4
R
14
1.1kΩ
R
13
20Ω
R
15
1.1kΩ
R
16
150Ω
R
17
600Ω
R
19
600Ω
R
18
150Ω
3-4
CA3100
Typical Applications
+15V
7
INPUT
0.33µF
3
+
CA3100
0.1µF
OUTPUT
6
0.33µF
220Ω
3kΩ
4
0.1µF
-15V
220Ω
2kΩ
3pF
-3dB BANDWIDTH
≈
20MHz
TOTAL INPUT NOISE
VOLTAGE REFERRED TO
INPUT
≈
35µV
RMS
3pF
DELIVERS FOLLOWING
PEAK VOLTAGES TO
50Ω LINE:
FREQ
1MHz
2MHz
4MHz
6MHz
V
O
8V
5V
2V
1V
220Ω
GAIN = 20dB
0.1µF
-15V
2
+15V
3dB BANDWIDTH = 15MHz
A
CL
= 20dB
INPUT
3
7
+
CA3100
0.1µF
4.7
kΩ
2N5320
OUTPUT TO
TERMINATED
50Ω TRANS-
MISSION LINE
6
10Ω
2
3kΩ
-
-
4
1N5393
10Ω
2kΩ
2N5322
FIGURE 7. 20dB VIDEO AMPLIFIER
FIGURE 8. 20dB VIDEO LINE DRIVER
ZERO ADJ
200Ω
20kΩ
10pF
INPUT
IMPEDANCE
≈
50kΩ
2N2102
TEST
LEADS
2
V
O
(DC) =
+V
I
PEAK
-15V
51kΩ
1
8
3
+
CA3100
7
0.1µF
1V
RMS
FULL SCALE
1N914
6
51kΩ
0.1
µF
+
1mA
FULL
SCALE
DC
METER
+15V
+15V
V
I
(AC)
3
3kΩ
2
7
+
CA3100
0.1µF
6
1N914
-
4
-
4
-
250Ω POT.
330Ω
1.2kΩ
0.1µF
1000pF
FULL SCALE
CALIBRATION
ADJUST
-15V
FIGURE 9. FAST POSITIVE PEAK DETECTOR
FIGURE 10. 1MHz METER-DRIVER AMPLIFIER
Typical Performance Curves
80
OPEN LOOP VOLTAGE GAIN (dB)
70
60
50
40
30
C
C
= 24pF
20
10
12pF
0
0.001
0.01
0.1
1
FREQUENCY (MHz)
10
100
0pF
C
C
= 24pF
|A
OL
|
12pF
0pF
12pF -270
-225
0pF
-180
-135
24pF
-90
-45
0
OPEN LOOP PHASE SHIFT (DEGREES)
OPEN LOOP VOLTAGE GAIN (dB)
T
A
= 25
o
C
V
S
=
±15V
R
L
= 2kΩ
C
L
= 20pF
70
60
50
40
30
20
10
0
0.001
V
S
=
±15V
R
L
= 2kΩ
C
C
= 0
T
A
= -55
o
C
25
o
C
125
o
C
θ
0.01
0.1
1
FREQUENCY (MHz)
10
100
FIGURE 11. OPEN LOOP GAIN, OPEN LOOP PHASE SHIFT vs
DSP 与 ARM 处理器
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