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RVFM NJM2073D Njm2073d 2W Stereo Amplifier


MPN : NJM2073D


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Key Features

Data Sheets

Stereo amplifier IC, stereo speaker channels, stereo headphone channels, 2W output power, 16R load impedance, 1.8V to 15V supply voltage, -40 to +85°C, 8-DIP case, low crossover distortion, low supply current, bridge or stereo configuration, no turn-on noise, it is a pin compatible device to the TDA2822M but has lower noise and wider bandwidth, designed for use as dual channel amplifier in portable audio equipment, headphone amplifier and muting circuit.

Technical Specification
Technical Specification
DeviceDescriptionManufacturerPackageOrder code
LM3802W Audio amplifier NSCDIL-1482-0262
LM384N5W audio power amplifierNSCDIL-1482-5020
LM386325mW low voltage power amplifierNSCDIL-882-0264
LM386M-1325mW low voltage power amplifierNSCSO-882-0266
LM386N1325mW low voltage power amplifierTIDIL-851-6328
TBA820M1.2W audio amplifierSTDIL-8


TBA820M1.2W audio amplifierTruSemiDIL-8


TDA2030H14W Hi-Fi power amplifierSTTO-22082-0628
TDA2030AV18W Hi-Fi audio power amplifierSTPentawatt V82-0630
TDA2050V32W audio amplifierST TO-22082-0632
NJM2073DSuperior TDA2822M versionJRCDIL-882-2154
TDA2822M1W+1W stereo audio amplifierSTDIL-882-0672
TDA2822D1W Bridge or 380mW + 380mW stereoSTSO-882-0690
TDA2009A10 + 10W Stereo audio amplifierSTMultiwatt 1182-0940
TDA72667 + 7W Dual/bridge stereo audio amplifierSTMultiwatt 1582-0942
TEA2025B4.7W Dual/bridge stereo audio amplifierSTDIL-1682-0944
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Question by Michael Adomako | Product code: 82-0262
03 March 2014

QWhat is the actual function of this specific IC?
AHi Michael. Thank you for your question. The function is to amplify small level sound signals and will drive a 2 watt speaker.

Question by Mrs Perez
19 February 2013

QI would like to build an electronic educational project (a soft toy with animal sounds) but I don't know which IC use it. Thanks in advance. Regards
AHi Mrs Perez. Thank you for your question. If you are just looking for the amplifier ic – you can eliminate some by deciding whether or not you want it to be through hole (DIL) or surface mounting. Then its a matter of mono or stereo. Power of output signal to speaker. I would think it likely to be DIL – Mono and under 2W so 82-0484 is likely to be ok at 1.2W or 82-0264 at 0.325W. It might be easier to use a ready made module such as 13-0665.

Question by Vithurshan Canathas | Product code: 82-5020
22 November 2012

QI am making an MP3 amplifier and I am using a LM384 5W Audio Power Amplifier. What transformer would you recommmend for this?
AHi Vithurshan. Thank you for your question. You have a option dependent on how you are making this so either 88-3795 for AC or 85-2953 for a Dc power supply. The datasheet attached to this product contains a circuit diagram.

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