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LM348

National Semiconductor
Part Number LM348
Manufacturer National Semiconductor
Description Quad 741 Op Amps LM149 Wide Band Decompensated (AV MIN = 5)
Published Mar 22, 2005
Detailed Description LM148/LM149 Series Quad 741 Op Amp May 1999 LM148/LM248/LM348 Quad 741 Op Amps LM149 Wide Band Decompensated (AV Gener...
Datasheet PDF File LM348 PDF File

LM348
LM348

Overview
LM148/LM149 Series Quad 741 Op Amp May 1999 LM148/LM248/LM348 Quad 741 Op Amps LM149 Wide Band Decompensated (AV General Description The LM148 series is a true quad 741.
It consists of four independent, high gain, internally compensated, low power operational amplifiers which have been designed to provide functional characteristics identical to those of the familiar 741 operational amplifier.
In addition the total supply current for all four amplifiers is comparable to the supply current of a single 741 type op amp.
Other features include input offset currents and input bias current which are much less than those of a standard 741.
Also, excellent isolation between amplifiers has been achieved by independently biasing each amplifier and using layout techniques which minimize thermal coupling.
The LM149 series has the same features as the LM148 plus a gain bandwidth product of 4 MHz at a gain of 5 or greater.
The LM148 can be used anywhere multiple 741 or 1558 type amplifiers are being used and in applications where amplifier matching or high packing density is required.
n n n n n n n n (MIN) = 5) Features 741 op amp operating characteristics Low supply current drain: 0.
6 mA/Amplifier Class AB output stage — no crossover distortion Pin compatible with the LM124 Low input offset voltage: 1 mV Low input offset current: 4 nA Low input bias current: 30 nA Gain bandwidth product LM148 (unity gain): 1.
0 MHz LM149 (AV ≥ 5): 4 MHz n High degree of isolation between amplifiers: 120 dB n Overload protection for inputs and outputs Schematic Diagram DS007786-1 * 1 pF in the LM149 © 1999 National Semiconductor Corporation DS007786 www.
national.
com Absolute Maximum Ratings (Note 4) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.
LM148/LM149 LM248 LM348 ± 22V ± 18V ± 18V Supply Voltage ± 44V ± 36V ± 36V Differential Input Voltage Output Short Circuit Duration ...


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