LM348N National Semiconductor, LM348N Datasheet - Page 10

• Manufacturer Part Number: LM348N
• Description: IC, OP-AMP, 1MHZ, 0.5V/µs, DIP-14
• Manufacturer: National Semiconductor

Specifications of LM348N

• Op Amp Type: High Gain
• No. Of Amplifiers: 4
• Bandwidth: 1MHz
• Slew Rate: 0.5V/µs
• Supply Voltage Range: 10V To 36V
• Amplifier Case Style: DIP
• No. Of Pins: 14
• Operating Temperature Range: 0°C To +70°C
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Applications—LM148
(Continued)
A 1 kHz 4 Pole Butterworth
00778612
Use general equations, and tune each section separately
Q
= 0.541, Q
= 1.306
1stSECTION
2ndSECTION
The response should have 0 dB peaking
A 3 Amplifier Bi-Quad Notch Filter
00778613
Ex: f
= 3 kHz, Q = 5, R1 = 270k, R2 = R3 = 20k, R4 = 27k, R5 = 20k, R6 = R8 = 10k, R7 = 100k, C1 = C2 = 0.001 µF
NOTCH
Better noise performance than the state-space approach.
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