1W + 1W Stereo Amplifier (TDA2822M) 1W + 1W Stereo Amplifier (TDA2822M)
1W stereo audio amplifier electronic kit. Based around the popular TDA2822M IC. Designed for portable cassette players and radios. Ideal for battery operation... Electronics > Audio > Audio Components > Audio Amplifiers > Power Amplifiers 3087KT 3087KT 3087KT View Offer Quasar Electronics Limited
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1W + 1W Stereo Amplifier (TDA2822M)

AS3087KT - 1W + 1W Stereo Amplifier (TDA2822M)

This product is obsolete/discontinued and no further stocks are available. Please see alternatives in the category links above.

Ability Level 2: ModeratePre-Assembled and Kit versions available
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1W stereo audio amplifier module based around a TDA2822M IC (or Samsung KA2209B equivalent). Designed for portable cassette players and radios, it is ideal for battery operation.

We use the standard data book circuit for this chip and have include a volume control pot. You can feed the input from a preamplifier like 3098 into this kit. Output speakers (not supplied) should be rated 1W minimum, 4 to 8 Ohms. No heat sink required.

Input Power3 - 12 V at 200 - 500 mA max
Idle Current~ 10 mA
Output Power> 1 Watt max. 4-8 ohms, 12V DC
> 500 mW, 32 ohm, 12V
> 500 mW, 4 ohm, 6V
~ 0.4 Watt RMS cont. per channel
Output impedance4 - 32 Ohm
Freq. response~ 40 Hz to 200 kHz, 8 ohm, G=10
< 20 Hz to > 50 kHz, 32 ohm
THD< 1 % @ 750 mW, 4-8 Ω, 12V
< 0.2 % @ 250 mW, 4-8 Ω, 12V
Gain~ x10 (20 dB) OR x100 (40dB)
S/N ratio> 80 dB, G = 20 dB
> 60 dB, G = 40 dB
Sensitivity< 300 mV, G = 20 dB
< 30 mV, G = 40 dB
Input Z~ 10 k ohm
Board Dimensions40 x 50 x 25 mm
Board ConnectionsSolder pads
Control KnobKB0410
Product FormatsSELF-ASSEMBLY Electronic Kit (KT) or
PRE-ASSEMBLED Electronic Module (AS) Product Formats Info
DocumentationUser Manual
TDA2822M IC Data Sheet
KA2209B IC Data Sheet

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