CA3078A(2001) Ver la hoja de datos (PDF) - Intersil
Número de pieza
componentes Descripción
Fabricante
CA3078A Datasheet PDF : 12 Pages
| |||
CA3078, CA3078A
Test Circuits
V+
100kΩ
0V
VIN
100kΩ
R2
C2
51kΩ
R1 OPTIONAL
R2 - C2 COMP.
V+
7
RSET
2-
5
CA3078
CA3078A
6
3+
1
4
V-
R1
8 10kΩ
C1
0V
VOUT
CL
FIGURE 1. TRANSIENT RESPONSE AND SLEW RATE, UNITY
GAIN (INVERTING) TEST CIRCUIT
NON-INVERTING
INPUT RI
V+
RB
1M
V-
V+
3
7
+
CA3078
CA3078A
2-
4
RF
V-
OUTPUT
6
RI
Value of RB required to have a
null adjustment range of ±7.5mV
RB ≈
RI RF V+
(RI + RF) 7.5 x 10-3
assuming
RB
>
>
RI RF
RI + RF
V+
100kΩ
V+
7
RSET
2
R2
0V
C2
VIN
3
100kΩ
R1 OPTIONAL
R2 - C2 COMP.
-
5
CA3078
CA3078A
6
+
1
4
V-
R1
8
CL
C1
0V
VOUT
10kΩ
FIGURE 2. SLEW RATE, UNITY GAIN (NON-INVERTING)
TEST CIRCUIT
INVERTING
INPUT RI
V+
RB
1M
V-
RF
V+
2-
7
CA3078
CA3078A
3+
4
V-
OUTPUT
6
Value of RB required to have a
null adjustment range of ±7.5mV
RB
≈
RI V+
7.5 x 10-3
assuming RB > > RI
FIGURE 3. OFFSET VOLTAGE NULL CIRCUITS
5.1MΩ
5.1MΩ
VP-P
510kΩ
1µF
10MΩ
10MΩ
RSET =
7
30MΩ
2-
5
CA3078
CA3078A
6
3+
8
1
4
7pF
1.5V +
“AA” CELL -
+
5µF
RL
10MΩ
RSET =
7
30MΩ
2-
5
VP-P
510kΩ
CA3078
CA3078A
6
1µF
3+
8
1µF
1
10MΩ
4
7pF
1.5V +
“AA” CELL -
+
5µF
RL
FIGURE 4. INVERTING 20dB AMPLIFIER CIRCUIT
FIGURE 5. NON-INVERTING 20dB AMPLIFIER CIRCUIT
4
Share Link: 