LM2005 Datasheet | National Semiconductor

Description The LM2005 is a dual high power amplifier designed to deliver optimum performance and reliability for automotive applications High current capability (3 5A) enables the device to deliver 10W channel into 2X (LM2005T-S) or 20W bridged monaural (LM2005T-M) into 4X with low distortion Features Y Y Y Y Y Y Y Y Y Y Wide supply range (8V- 18V) Externally programmable gain With or without bootstrap Low distortion Low noise High peak current capability PO e 20W bridge High voltage protection AC and DC output short circuit protection to ground or across load Thermal protection Inductive load protection Accidental open ground protection Immunity to 40V power supply transients 3 C W device dissipation Pin for pin patible with TDA2005 Connection Diagram Typical Application Plastic Package TL H 5129- 1 Order Number LM2005T-S or LM2005T-M See NS Package Number TA11A TL H 5129 - 2 FIGURE 1 20W Bridge Amplifier Application and Test Circuit C1995 National Semiconductor Corporation TL H 5129 RRD-B30M115 Printed in U S A LM2005T-M and LM2005T-S Absolute Maximum Ratings If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Operating Supply Voltage 18V DC Supply Voltage (Note 1) 28V Peak Supply Voltage (50 ms) 40V Output Current Repetitive (Note 2) Non-Repetitive Power Dissipation Operating Temperature Storage Temperature Lead Temp (Soldering 10 seconds) 3 5A 4 5A 30W b 40 C to a 85 C b 60 C to a 150 C 260 C LM2005T-M Electrical Characteristics Refer to the bridge application circuit Figure 1 Rth (heatsink) e 4 C W unless otherwise specified Parameter Supply Voltage Output Offset Voltage (Note 3) (between Pin 8 and 10) Total Quiescent Drain Current Includes Current in Feedback Resistors Output Power VS e 14 4V VS e 13 2V VS e 14 4V VS e 13 2V d e 10% VS e 14 4V VS e 13 2V THD RL e 4X RL e 3 2X f e 1 k Hz RL e 4X RL e 3 2 X RL e 3 2X 18 20 17 Test...