LM1877N-9 National Semiconductor, LM1877N-9 Datasheet

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LM1877N-9

Manufacturer Part Number
LM1877N-9
Description
Dual Audio Power Amplifier
Manufacturer
National Semiconductor
Datasheet

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LM1877N-9
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LM1877N-9A
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© 2004 National Semiconductor Corporation
LM1877
Dual Audio Power Amplifier
General Description
The LM1877 is a monolithic dual power amplifier designed to
deliver 2W/channel continuous into 8Ω loads. The LM1877 is
designed to operate with a low number of external compo-
nents, and still provide flexibility for use in stereo phono-
graphs, tape recorders and AM-FM stereo receivers, etc.
Each power amplifier is biased from a common internal
regulator to provide high power supply rejection, and output
Q point centering. The LM1877 is internally compensated for
all gains greater than 10.
Features
n 2W/channel
n −65 dB ripple rejection, output referred
n −65 dB channel separation, output referred
Connection Diagram
Order Number LM1877M-9 or LM1877N-9
See NS Package Number M14B or N14A
DS007913
or Surface Mount Package
Dual-In-Line Package
Top View
n Wide supply range, 6V–24V
n Very low cross-over distortion
n Low audio band noise
n AC short circuit protected
n Internal thermal shutdown
Applications
n Multi-channel audio systems
n Stereo phonographs
n Tape recorders and players
n AM-FM radio receivers
n Servo amplifiers
n Intercom systems
n Automotive products
00791301
February 1995
www.national.com

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LM1877N-9 Summary of contents

Page 1

... Internal thermal shutdown Applications n Multi-channel audio systems n Stereo phonographs n Tape recorders and players n AM-FM radio receivers n Servo amplifiers n Intercom systems n Automotive products Dual-In-Line Package or Surface Mount Package Top View Order Number LM1877M-9 or LM1877N-9 See NS Package Number M14B or N14A DS007913 February 1995 00791301 www.national.com ...

Page 2

Equivalent Schematic Diagram www.national.com 2 00791302 ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Input Voltage Operating Temperature Storage Temperature Junction Temperature Lead Temperature N-Package Soldering (10 sec.) Electrical Characteristics V = 20V 25˚C, (Note 8Ω ...

Page 4

Typical Performance Characteristics Device Dissipation vs Ambient Temperature Power Supply Rejection Ratio (Referred to the Output) vs Frequency Channel Separation (Referred to the Output) vs Frequency www.national.com Power Supply Rejection Ratio (Referred to the Output) vs 00791310 Power Supply Rejection ...

Page 5

Typical Performance Characteristics Average Supply Current vs P OUT Total Harmonic Distortion vs Frequency Open Loop Gain vs Frequency (Continued) Total Harmonic Distortion 00791316 Power Dissipation (W) Both Channels Operating 00791318 Output Swing vs Supply 00791320 5 vs Frequency 00791317 ...

Page 6

Typical Applications Stereo Phonograph Amplifier with Bass Tone Control Frequency Response of Bass Tone Control www.national.com Inverting Unity Gain Amplifier 00791305 6 00791304 00791306 ...

Page 7

Typical Applications (Continued) Non-Inverting Amplifier Using Split Supply Stereo Amplifier with A = 200 V Typical Split Supply 00791308 7 00791307 00791309 www.national.com ...

Page 8

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted Molded SOIC Package (M) Order Number LM1877M-9 NS Package Number M14B 8 ...

Page 9

... English www.national.com Français Tel: +33 ( 8790 Molded Dual-In-Line Package (N) Order Number LM1877N-9 NS Package Number N14A 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system affect its safety or effectiveness ...

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