• Part: LM2879
  • Description: LM2879 Dual 8W Audio Amplifier
  • Manufacturer: National Semiconductor
  • Size: 171.79 KB
Download LM2879 Datasheet PDF
National Semiconductor
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...