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2.5W Audio Power Amplifier

SKU: ZO-663
Manufacturer: Texas Instruments
Model/MPN: LM380N
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2.5W Audio Power Amplifier

Description:

The LM380 is a power audio amplifier for consumer application. In order to hold system cost to a minimum, gain is internally fixed at 34 dB. A unique input stage allows inputs to be ground referenced. The output is automatically self centering to one half the supply voltage. The output is short circuit proof with internal thermal limiting. The package outline is standard dual-in-line. A copper lead frame is used with the center three pins on either side comprising a heat sink. This makes the device easy to use in standard p-c layout. Uses include simple phonograph amplifiers, intercoms, line drivers, teaching machine outputs, alarms, ultrasonic drivers, TV sound systems, AM-FM radio, small servo drivers, power converters, etc. A selected part for more power on higher supply voltages is available as the LM384. For more information see AN-69.


Features:

  •  Wide supply voltage range
  •  Low quiescent power drain
  •  Voltage gain fixed at 50
  •  High peak current capability
  •  Input referenced to GND
  •  High input impedance
  •  Low distortion
  •  Quiescent output voltage is at one-half of the supply voltage
  •  Standard dual-in-line package

Part Details

Description Value  
Package 8PDIP  
Function Speaker  
Amplifier Type Class-AB  
Typical Output Power x Channels @ Load 2.5(Min)x1@8Ohm W  
Input Signal Type Differential  
Output Type 1-Channel Mono  
Mounting Through Hole  
Typical Voltage Gain 33.98 dB  
Total Harmonic Distortion Noise 0.2@8Ohm %  
Minimum Single Supply Voltage 10 V  
Maximum Single Supply Voltage 22 V  
Operating Temperature 0 to 70 °C  
Maximum Input Bias Current 0.1(Typ)@18V uA  
Typical PSRR 38 dB  
Category Audio Amplifier  
Manufacturer Texas Instruments  
   

Resources:

Physical
No. of Pins
8PDIP
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