LM391N-100 National Semiconductor, LM391N-100 Datasheet
LM391N-100
Specifications of LM391N-100
LM391N100
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LM391N-100 Summary of contents
Page 1
... High Supply Voltage Y Low Distortion Y Low Input Noise Y High Supply Rejection Y Gain and Bandwidth Selectable Y Dual Slope SOA Protection Y Shutdown Pin Y Dual-In-Line Package Top View Order Number LM391N-100 See NS Package Number N16A December 1994 50V max 7146 – 7146 – 2 RRD-B30M115 Printed ...
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... Supply Voltage LM391N-100 g Input Voltage Supply Voltage less 5V Shutdown Current (Pin 14) Electrical Characteristics T Parameter Quiescent Current LM391N-100 Output Swing Drive Current Noise (20 Hz –20 kHz) Supply Rejection Total Harmonic Distortion Intermodulation Distortion Open Loop Gain Input Bias Current Input Offset Voltage ...
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Typical Performance Characteristics Output Power vs Supply Voltage Open Loop Gain vs Frequency Pin Descriptions Pin No Pin Name 1 Input a 2 Input b 3 Compensation 4 Ripple Filter 5 Sink Output 6 BIAS 7 BIAS 8 Source Output ...
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External Components (Figure 1) Component Typical Value Input coupling capacitor sets a low frequency pole with 100k Sets input impedance and DC bias to input IN R 100k Feedback ...
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Application Hints GENERALIZED AUDIO POWER AMP DESIGN Givens Power Output Load Impedance Input Sensitivity Input Impedance Bandwidth The power output and load impedance determine the power supply requirements Output signal swing and current are found from ...
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Application Hints (Continued) PROTECTION CIRCUITRY The protection circuits of the LM391 are very flexible and should be tailored to the output transistor’s safe operating area The protection V-I characteristics circuitry and resis- tor formulas are described below The diodes from ...
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Application Hints (Continued) TRANSIENT INTERMODULATION DISTORTION There has been a lot of interest in recent years about tran- sient intermodulation distortion Matti Otala of University of Oulu Oulu Finland has published several papers on the subject The results of these ...
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Application Hints (Continued) A 20W 8 30W 4 AMPLIFIER Givens Power Output Input Sensitivity Input Impedance Bandwidth 20 Hz–20 kHz Equations (1) and (2) give 20W 24A 30W 4 V ...
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... D C SOA of TIP42 TIP41 Transistors Typical Applications (Continued) 20W-8 30W-4 Additional protection for LM391N Schottky diodes and R j 100 The data points from the curve are V 60V Using the dual slope protection formulas ...
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Application Hints (Continued) A 40W 8 60W 4 AMPLIFIER Given Power Output Input Sensitivity Input Impedance Bandwidth 20 Hz–20 kHz Equations (1) and (2) give 40W OPeak OPeak 60W ...
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... Speaker Ground Note All Grounds Should be Tied Together Only at Power Supply Ground Additional protection for LM391N Schottky diodes and R j 100 The easiest way to solve these equations is to iterate with standard values If we guess R use 47k The Thevenin impedance comes out 26 7k which ...
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... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Molded Dual-In-Line Package (N) Order Number LM391N-100 NS Package Number N16A 2 A critical component is any component of a life ...