LM349N National Semiconductor, LM349N Datasheet - Page 8

• Manufacturer Part Number: LM349N
• Description: IC OP AMP QUAD 741 HS 14DIP
• Manufacturer: National Semiconductor

Specifications of LM349N

• Amplifier Type: General Purpose
• Number Of Circuits: 4
• Slew Rate: 2 V/µs
• Gain Bandwidth Product: 4MHz
• Current - Input Bias: 30nA
• Voltage - Input Offset: 1000µV
• Current - Supply: 2.4mA
• Current - Output / Channel: 25mA
• Voltage - Supply, Single/dual (±): 10 V ~ 36 V, ±5 V ~ 18 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 14-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Output Type: -
• -3db Bandwidth: -
• Other names: *LM349N; LM349

Typical Applications LM148
Use general equations and tune each section separately
Q
The response should have 0 dB peaking
Q
Necessary condition for notch
Ex f
Better noise performance than the state-space approach
1stSECTION
e
NOTCH
R8
R7
c
e
e
R3C2R2C1
3 kHz Q
0 541 Q
R1C1
e
2ndSECTION
5 R1
f
o
e
R6
1
2
e
1
e
R4R7
270k R2
e
R1
R8
R7
1 306
c
R2R3C1C2
e
R3
1
e
A 3 Amplifier Bi-Quad Notch Filter
20k R4
f
NOTCH
A 1 kHz 4 Pole Butterworth
(Continued)
e
e
27k R5
2
1
R3R5R7C1C2
e
8
20k R6
R6
e
R8
e
10k R7
e
100k C1
e
C2
e
0 001 F
TL H 7786 – 12
TL H 7786 – 13