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PDF IT358 Data sheet ( Hoja de datos )
| Número de pieza | IT358 | |
| Descripción | LOW POWER DUAL OPERATIONAL AMPLIFIER | |
| Fabricantes | INFINITRUE TECHNOLOGY | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IT358 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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LOW POWER DUAL OPERATIONAL AMPLIFIER
IT358
IT358
DESCRIPTION
The IT358 consists of two independent ,high
gain ,internally frequency compensated operational
amplifiers which were designed specifically to
operate from a single power supply over a wide
range of voltages.Operation from split power
supplies is also possible and the low power supply
current drain is independent of the magnitude of
the power supply voltage.
Application areas include transducer amplifiers.
DC agin blocks and all the conventional op amp
Circuits which now can be more easily.
Implemented in single power supply systems.For
Example,the IT358 can be directly operated off of
the standard -5Vpower supply voltage which is used
in digital systems and will easily provide the required
interface electronics without requiring the additional=15Vpower supplies.
UNIQUE CHARACTERISTICS
In the linear mode the input common-mode voltage range includes ground and the
Output voltage can also swing to ground .,even though operated from only a single
power
Supply voltage
The unity gain cross frequency is temperature compensated
The input bias current is also temperature compensated.
ADVANTAGES
Two internally compensated op amps.
Eliminates need for dual supplies.
Allows direct sensing near GND and Vout also goes to GND.
Compatible with all forms of logic.
Power drain suitable for battery operation
INFINITRUE TECHNOLOGY
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TYPICAL SINGLE-SUPPLY APPLICATION CIRCUIT
+VIN *
+
1/2 IT358
-
Non-Inverting DCGain 0V Output
+Vo
R1
10K
1RM2
* R not needed due to temperatu re indepenINdent I
+5V
0
IT358
Gain=1+R2/R1
=101 As shown
VIN(mV)
DCSumming Amplifier
VIN'S≥0V,and Vo≥0V)
+V1 R 100K
+V2
R 100K
+
1R00K1/2 IT358
-
+V3 R 100K
R
+V4 R 100K
Where :Vo=V1+V2+V3+V4
100K
(V1+V2)≥(V3+V4) to ke ep Vo>0V,
+Vo
Power Amplifier
R1
910K
R2
100K
R3
+
1/2 IT358
-
+VIN 91K
Vo=0V for VIN =0V Av=10
V+
+Vo
RL
"BI-QUAD" RC Active Bandpass Filter
R1
R2
VIN 100K
100K
+
1/2 IT358
-
R4
R3
100K
C2 10M
330pF -
1/2 IT358
fo=1kHz
+
Q=50
Av=100(40dB)
C1
330pF +
1/2 IT358
-
R5
470K
R6
470K
R8
100K
C3
10uF
Vo
R7
100K V+
Fixed Current Sources
V+
+
2V
-
R3
2K
R4
3K
+
2V
-
R1
2K
R2
-
1/2 IT358
+
I1
I2
1mA
I2=(R1/R2)*I1
INFINITRUE TECHNOLOGY
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet IT358.PDF ] | |
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