LM2879
LM2879 is LM2879 Dual 8W Audio Amplifier manufactured by National Semiconductor.
Description
The LM2879 is a monolithic dual power amplifier which offers high quality performance for stereo phonographs tape players recorders AM-FM stereo receivers etc The LM2879 will deliver 8W channel to an 8X load The amplifier is designed to operate with a minimum of external ponents and contains an internal bias regulator to bias each amplifier Device overload protection consists of both internal current limit and thermal shutdown
Self-centering biasing 4 MX input impedance Internal current limiting Internal thermal protection
Applications
Y Y Y Y Y Y Y Y Y Y
Features
AVO typical 90 d B 9W per channel (typical) 60 d B ripple rejection 70 d B channel separation
Multi-channel audio systems Tape recorders and players Movie projectors Automotive systems Stereo phonographs Bridge output stages AM-FM radio receivers Inters Servo amplifiers Instrument systems
Connection Diagram and Typical Application
Plastic Package
Stereo Amplifier
TL H 5291
- 1
Order Number LM2879T See NS Package Number TA11B
TAB must be connected to GND
TL H 5291
- 2
FIGURE 1
C1995 National Semiconductor Corporation
TL H 5291
RRD-B30M115 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 (Note 1) Operating Temperature (Note 2) 35V g 0 7V
0 C to a 70 C
Storage Temperature Junction Temperature Lead Temp (Soldering 10 seconds) ESD rating to be determined Thermal Resistance i JC i JA b 65 C to a 150 C
150 C 260 C
1C W 43 C W
Electrical Characteristics VS e 28V
Parameter Total Supply Current Operating Supply Voltage Output Power Channel Distortion Output Swing Channel Separation PO e 0W
TTAB e 25 C RL e 8X AV e 50 (34 d B) unless otherwise specified Min 6 Typ 12 6 8 0 05 VSb6V b 50 b 70
Conditions
Max 65 32
Units m A V W f e 1 k Hz THD e 10% TTAB e 25 C f e 1 k Hz RL e 8X PO e 1 W Channel RL...