LM2902VDTB ON Semiconductor, LM2902VDTB Datasheet - Page 9

• Manufacturer Part Number: LM2902VDTB
• Description: IC OPAMP QUAD SGL SUPPLY 14TSSOP
• Manufacturer: ON Semiconductor

Specifications of LM2902VDTB

• Amplifier Type: General Purpose
• Number Of Circuits: 4
• Slew Rate: 0.6 V/µs
• Gain Bandwidth Product: 1MHz
• Current - Input Bias: 90nA
• Voltage - Input Offset: 2000µV
• Current - Supply: 1.4mA
• Current - Output / Channel: 40mA
• Voltage - Supply, Single/dual (±): 3 V ~ 32 V, ±1.5 V ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Output Type: -
• -3db Bandwidth: -

V
V
ref
ref
=
1
2
V
CC
LM324
+
-
1/4
Figure 16. Function Generator
f =
Triangle Wave
C
Output
4 CR
R1 + R
f
R1
R
C
f
75 k
V
if
ref
R3
100 k
R3 =
R1
R2 + R1
R2 R1
LM324
+
-
300 k
R2
1/4
http://onsemi.com
Square
Wave
Output
9
V
in
Figure 17. Multiple Feedback Bandpass Filter
Given: f
Choose value f
Then:
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
A(f
o
o
and BW are expressed in Hz.
o
R3 =
R1 =
R2 =
) = gain at center frequency
R2
= center frequency
C
o
4Q
, C
p f
2 A(f
C
R3
Q
2
o
R1 R3
R1 - R3
C
o
)
R3
V
ref
-
LM324
+
1/4
V
CC
V
ref
=
1
2
V
CC
Q
BW
o
CO = 10 C
C
f
o
O
< 0.1
V
O