LM389, LM389N, LM38N-1 Selling Leads, Datasheet
MFG:DIP Package Cooled:N/A D/C:1900
LM389, LM389N, LM38N-1
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Info of LM389
Info of LM389N
Info of LM38N-1
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About LM389
PDF/DataSheet Download
Datasheet: LM389
File Size: 199544 KB
Manufacturer: National Semiconductor
Download : Click here to Download
About LM301
PDF/DataSheet Download
Datasheet: LM301
File Size: 521472 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
About LM301
PDF/DataSheet Download
Datasheet: LM301
File Size: 521472 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
LM389 General Description
The LM389 is an array of three NPN transistors on the same substrate with an audio power amplifier similar to the LM386.
The amplifier inputs are ground referenced while the output is automatically biased to one half the supply voltage. The gain is internally set at 20 to minimize external parts, but the addition of an external resistor and capacitor between pins 4 and 12 will increase the gain to any value up to 200.
The three transistors have high gain and excellent matching characteristics. They are well suited to a wide variety of applications in DC through VHF systems.
LM389 Maximum Ratings
Supply Voltage 15V
Package Dissipation (Note 1) 1.89W
Input Voltage ±0.4V
Storage Temperature -65 to +150
Operating Temperature 0 to +70
Junction Temperature 150
Lead Temperature (Soldering, 10 sec.) 260
Collector to Emitter Voltage, VCEO 12V
Collector to Base Voltage, VCBO 15V
Collector to Substrate Voltage, VCIO
(Note 2) 15V
Collector Current, IC 25 mA
Emitter Current, IE 25 mA
Base Current, IB 5 mA
Power Dissipation (Each Transistor) TA +70ßC 150 mW
Thermal Resistance
JC 24/W
JA 70/W
Package Dissipation (Note 1) 1.89W
Input Voltage ±0.4V
Storage Temperature -65 to +150
Operating Temperature 0 to +70
Junction Temperature 150
Lead Temperature (Soldering, 10 sec.) 260
Collector to Emitter Voltage, VCEO 12V
Collector to Base Voltage, VCBO 15V
Collector to Substrate Voltage, VCIO
(Note 2) 15V
Collector Current, IC 25 mA
Emitter Current, IE 25 mA
Base Current, IB 5 mA
Power Dissipation (Each Transistor) TA +70ßC 150 mW
Thermal Resistance
JC 24/W
JA 70/W
LM389 Features
Battery operation
Minimum external parts
Wide supply voltage range
Low quiescent current drain
Voltage gains from 20 to 200
Ground referenced input
Self-centering output quiescent voltage
Low distortion
Operation from 1 mA to 25 mA
Frequency range from DC to 100 MHz
Excellent matching
Minimum external parts
Wide supply voltage range
Low quiescent current drain
Voltage gains from 20 to 200
Ground referenced input
Self-centering output quiescent voltage
Low distortion
Operation from 1 mA to 25 mA
Frequency range from DC to 100 MHz
Excellent matching
LM389 Typical Application
AM-FM radios
Portable tape recorders
Intercoms
Toys and games
Walkie-talkies
Portable phonographs
Power converters
Portable tape recorders
Intercoms
Toys and games
Walkie-talkies
Portable phonographs
Power converters
LM389 Connection Diagram
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