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Low Noise Stereo Preamplifier

DUAL LOW-NOISE OPERATIONAL AMPLIFIERS

General Description: The NE5532, NE5532A, SA5532, and SA5532A are high-performance operational amplifiers combining excellent dc and ac characteristics. They feature very low noise, high output-drive capability, high unity-gain and maximum-output-swing bandwidths, low distortion, high slew rate, input-protection diodes, and output short-circuit protection. These operational amplifiers are compensated internally for unity-gain operation. These devices have specified maximum limits for equivalent input noise voltage. Circuit Diagram:


LM2005 20 Watt Automotive Power Amplifier

General Description for LM2005:

The LM2005 is a dual high power amplifier, designed to deliver optimum performance and reliability for automotive deliver optimum performance and reliability for automotive vice to deliver 10W/channel into 2X (LM2005T-S), or 20W bridged monaural (LM2005T-M) into 4X, with low distortion. 
Features for LM2005:

Wide supply range (8V –18V)
Externally programmable gain
With or without bootstrap
Low distortion
Low noise
High peak current capability
POe20W 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 compatible with TDA2005

Circuit diagram for LM2005:

Datasheet for LM2005:Download