LM2877
LM2877 is LM2877 Dual 4W Audio Power Amplifier manufactured by National Semiconductor.
Description
The LM2877 is a monolithic dual power amplifier designed to deliver 4W channel continuous into 8X loads The LM2877 is designed to operate with a low number of external ponents and still provide flexibility for use in stereo phonographs tape recorders and AM-FM stereo receivers etc Each power amplifier is biased from a mon internal regulator to provide high power supply rejection and output Q point centering The LM2877 is internally pensated for all gains greater than 10 and es in an 11-lead single-in-line package
Y Y Y Y Y
Wide supply range 6-24V Very low cross-over distortion Low audio band noise AC short circuit protected Internal thermal shutdown
Applications
Features
4W channel b 68 d B ripple rejection output referred b 70 d B channel separation output referred
Multi-channel audio systems Stereo phonographs Tape recorders and players AM-FM radio receivers Servo amplifiers Inter systems Automotive products
Connection Diagram
(Single-In-Line Package)
TL H 7933
- 1
Top View Order Number LM2877P See NS Package Number P11A
Pin 6 must be connected to GND
C1995 National Semiconductor Corporation
TL H 7933
RRD-B30M75 Printed in U S A
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 26V g 0 7V
Storage Temperature Junction Temperature Lead Temperature (Soldering 10 sec ) Thermal Resistance i JC i JA b 65 C to a 150 C
150 C 260 C 10 C W 55 C W
0 C to a 70 C
Electrical Characteristics VS e 20V
Parameter Total Supply Current Operating Supply Voltage Output Power Channel PO e 0W
TTAB e 25 C RL e 8X AV e 50 (34 d B) unless otherwise specified Min Typ 25 6 Max 50 24 45 36 19 10 01 0 07 0 07 0 25 0 20 0 15 VSb4 Units m A V W W W W % % % % % % Vp-p
Conditions f e 1 k Hz THD e 10% TTAB e 25 C VS e 20V VS e 18V VS e 12V RL e 4X VS e 12V RL e 8X f e 1 k Hz...