LM348MX National Semiconductor, LM348MX Datasheet - Page 10

• Manufacturer Part Number: LM348MX
• Description: IC OP AMP QUAD 741 14-SOIC
• Manufacturer: National Semiconductor

Specifications of LM348MX

• Amplifier Type: General Purpose
• Number Of Circuits: 4
• Slew Rate: 0.5 V/µs
• Gain Bandwidth Product: 1MHz
• 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: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Output Type: -
• -3db Bandwidth: -
• Other names: *LM348MX

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.
www.national.com
10