LM2904ADMR2G ON Semiconductor, LM2904ADMR2G Datasheet - Page 9

• Manufacturer Part Number: LM2904ADMR2G
• Description: IC OPAMP DUAL SGL SUPPLY 8MICRO
• Manufacturer: ON Semiconductor

Specifications of LM2904ADMR2G

• Amplifier Type: General Purpose
• Number Of Circuits: 2
• Slew Rate: 0.6 V/µs
• Gain Bandwidth Product: 1MHz
• Current - Input Bias: 45nA
• Voltage - Input Offset: 2000µV
• Current - Supply: 1.5mA
• Current - Output / Channel: 40mA
• Voltage - Supply, Single/dual (±): 3 V ~ 32 V, ±1.5 V ~ 16 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Output Type: -
• -3db Bandwidth: -
• Other names: LM2904ADMR2GOS; LM2904ADMR2GOS; LM2904ADMR2GOSTR

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