IT358 INFINITRUE TECHNOLOGY, IT358 Datasheet - Page 5

• Manufacturer Part Number: IT358
• Description: LOW POWER DUAL OPERATIONAL AMPLIFIER
• Manufacturer: INFINITRUE TECHNOLOGY

INFINITRUE TECHNOLOGY
TYPICAL SINGLE-SUPPLY APPLICATION CIRCUIT
+V
V
+V
+V
+V
+V
10K
IN
R1
IN
1
2
3
4
(V1+V2)≥(V3+V4) to ke ep Vo>0V,
Where :Vo=V1+V2+V3+V4
100K
R2
100K
*
R3
R 100K
R 100K
R 100K
* R not needed due to temperatu re independent I
R 100K
1/2 IT358
+
Q=50
Av=100(40dB)
-
fo=1kHz
（
1M
R2
V ≥0V,and Vo≥0V)
DC Summing Amplifier
IN'S
330pF
C2
+
1/2 IT358
-
1/2 IT358
"BI-QUAD" RC Active Bandpass Filter
R1
100K
100K
R
R4
10M
+
-
Non-Inverting DC Gain 0V Output
+
1/2 IT358
+Vo
-
100K
R
470K
R6
100K
R8
+Vo
330pF
1/2 IT358
C1
10uF
+
C3
-
（
IN
R5
470K
R7
100K
+V
Vo
Vo=0V for V
V
）
+
IN
100K
R3
R2
91K
2V
+
-
IN
+5V
R4
3K
0
R3
2K
=0V Av=10
-
+
1/2 IT358
P ow er Amplifier
F ixed Current Sources
，
1/2 IT358
+
R1
-
910K
=101 As shown
Gain=1+R2/R1
V +
V (m V)
（
V
IN
+
1mA
I1
RL
2V
+
+Vo
-
I2=(R1/R2)*I1
IT358
R1
2K
）
R2
I2
5/8