LM348N/NOPB National Semiconductor, LM348N/NOPB Datasheet

Page 1

... For lower power refer to LF444. Schematic Diagram * the LM149 © 2003 National Semiconductor Corporation Features n 741 op amp operating characteristics n Class AB output stage — no crossover distortion n Pin compatible with the LM124 ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Supply Voltage Differential Input Voltage Output Short Circuit Duration (Note 1) Power Dissipation (P at 25˚C) and d Thermal Resistance (θ ), (Note 2) jA Molded DIP ( θ jA Cavity DIP ( θ ...

Page 3

Electrical Characteristics (Note 3) Parameter Input Bias Current Large Signal Voltage Gain > Output Voltage Swing kΩ L Input Voltage Range ≤ 10 kΩ Common-Mode Rejection ...

Page 4

Typical Performance Characteristics Supply Current Voltage Swing Negative Current Limit www.national.com 00778623 Positive Current Limit 00778625 00778627 4 Input Bias Current 00778624 00778626 Output Impedance 00778628 ...

Page 5

Typical Performance Characteristics Common-Mode Rejection Ratio Bode Plot LM148 Small Signal Pulse Response (LM148) (Continued) Open Loop Frequency Response 00778629 Large Signal Pulse Response (LM148) 00778631 Undistorted Output Voltage Swing 00778635 5 00778630 00778633 00778637 www.national.com ...

Page 6

Typical Performance Characteristics Gain Bandwidth Inverting Large Signal Pulse Response (LM148) Positive Common-Mode Input Voltage Limit www.national.com (Continued) 00778638 Input Noise Voltage and Noise Current 00778641 Negative Common-Mode Input Voltage Limit 00778643 6 Slew Rate 00778639 00778642 00778605 ...

Page 7

Application Hints The LM148 series are quad low power 741 op amps. In the proliferation of quad op amps, these are the first to offer the convenience of familiar, easy to use operating characteris- tics of the 741 op amp. ...

Page 8

Typical Applications—LM148 ± 15V R2, trim R2 to boost CMRR Low Drift Peak Detector with Bias Current Compensation Adjust R for minimum drift D3 low leakage diode D1 added to improve speed ± ...

Page 9

Typical Applications—LM148 Tune Q through R0 ≤ For predictable results Use Band Pass output to tune for Q (Continued) Universal State-Variable Filter 9 00778611 www.national.com ...

Page 10

Typical Applications—LM148 Use general equations, and tune each section separately Q = 0.541 1.306 1stSECTION 2ndSECTION The response should have 0 dB peaking Ex kHz 270k ...

Page 11

Typical Applications—LM148 A 4th Order 1 kHz Elliptic Filter (4 Poles, 4 Zeros) R1C1 = R2C2 = t R'1C'1 = R'2C kHz kHz 0.543 2.14 0.841, ...

Page 12

Typical Simulation LM148, LM741 Macromodel for Computer Simulation For more details, see IEEE Journal of Solid-State Circuits, Vol. SC-9, No. 6, December 1974 −16 Note 6: = 112I = Note 7: = 144* ...

Page 13

Connection Diagram Order Number LM148J, LM148J/883, LM248J, LM348M, or LM348N See NS Package Number J14A, M14A or N14A Top View LM148J is available per JM38510/11001 13 00778602 www.national.com ...

Page 14

Physical Dimensions unless otherwise noted www.national.com inches (millimeters) Ceramic Dual-In-Line Package (J) Order Number LM148J, LM148J/883, LM248J NS Package Number J14A S.O. Package (M) Order Number LM348M or LM348MX NS Package Number M14A 14 ...

Page 15

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...