LM2904VDR2 ON Semiconductor, LM2904VDR2 Datasheet - Page 9

• Manufacturer Part Number: LM2904VDR2
• Description: Operational Amplifiers - Op Amps 3-26V Dual Lo PWR
• Manufacturer: ON Semiconductor

Specifications of LM2904VDR2

• Product Category: Operational Amplifiers - Op Amps
• Number Of Channels: 2
• Common Mode Rejection Ratio (min): 50 dB
• Input Offset Voltage: 7 mV
• Input Bias Current (max): 250 nA
• Operating Supply Voltage: 3 V to 32 V, +/- 1.5 V to +/- 16 V
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Slew Rate: 0.6 V/us
• Shutdown: No
• Output Current: 40 mA
• Maximum Operating Temperature: + 125 C
• Amplifier Type: General Purpose Amplifier
• Gain Bandwidth Product: 1 MHz
• Maximum Dual Supply Voltage: +/- 16 V
• Minimum Dual Supply Voltage: +/- 1.5 V
• Minimum Operating Temperature: - 40 C
• Factory Pack Quantity: 2500
• Supply Current: 1.2 mA
• Technology: Bipolar
• Voltage Gain Db: 100 dB

V
V
ref
ref
=
1
2
V
CC
1/2
LM358
+
-
f =
Triangle Wave
C
Figure 15. Function Generator
Output
4 CR
R1 + R
f
R1
C
R
f
V
R1
ref
if,
75 k
R3
R3 =
R2 + R1
100 k
R2 R1
1/2
LM358
+
-
300 k
R2
http://onsemi.com
Square
Wave
Output
9
V
in
Figure 16. Multiple Feedback Bandpass Filter
For less than 10% error from operational amplifier.
Where f
If source impedance varies, filter may be preceded with voltage
follower buffer to stabilize filter parameters.
R1
Then:
Given:
Choose value f
o
and BW are expressed in Hz.
R2
C
R3 =
R1 =
R2 =
A(f
C
4Q
p f
2 A(f
f
o
o
) = gain at center frequency
R3
Q
2
= center frequency
o
R1 R3
o
, C
R1 -R3
C
o
)
R3
V
ref
1/2
LM358
-
+
V
CC
CO = 10 C
V
Q
BW
ref
o
CO
f
=
o
1
2
< 0.1
V
CC
V
O