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The TDA8947J contains four identical audio power amplifiers. The TDA8947J can be used as: four Single-Ended (SE) channels with a fixed gain of 26 dB, two times Bridge-Tied Load (BTL) channels with a fixed gain of 32 dB or two times SE channels (26 dB gain) plus one BTL channel (32 dB gain) operating as a 2.1 system The TDA8947J comes in a 17-pin Dil-Bent-Sil (D.
s SE: 1 W to 25 W, BTL: 4 W to 50 W operation possibility (2.1 system) s Soft clipping s Standby and Mute mode s No on/off switching plops s Low standby current s High supply voltage ripple rejection s Outputs short-circuit protected to ground, supply and across the load s Thermally protected s Pin compatible with TDA8944AJ and TDA8946AJ 3. Applications s Television s PC speakers s Boom box s Mini and micro audio receivers Philips Semiconductors TDA8947J 4-channel audio amplifier 4. Quick reference data Table 1: Symbol VCC Iq Istb Po(SE) Po(BTL) THD Gv(max) SVRR Quick reference data Param.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | TDA8941P |
NXP |
1.5 W mono Bridge Tied Load BTL audio amplifier |
|
| 2 | TDA8942P |
NXP |
2 x 1.5 W stereo Bridge Tied Load BTL audio amplifier |
|
| 3 | TDA8943SF |
NXP |
6 W mono Bridge Tied Load BTL audio amplifier |
|
| 4 | TDA8944AJ |
Philips |
2 x 7 W BTL audio amplifier |
|
| 5 | TDA8944J |
NXP |
2 x 7 W stereo Bridge Tied Load BTL audio amplifier |
|
| 6 | TDA8945S |
NXP |
15 W mono Bridge Tied Load BTL audio amplifier |
|
| 7 | TDA8946AJ |
Philips |
2 x 15 W BTL audio amplifier |
|
| 8 | TDA8946J |
NXP |
2 x 15 W stereo Bridge Tied Load BTL audio amplifier |
|
| 9 | TDA8948 |
ETC |
7W audio amplifier |
|
| 10 | TDA8948J |
NXP Semiconductors |
4-channel audio amplifier |
|
| 11 | TDA8920 |
NXP |
2 x 50 W class-D power amplifier |
|
| 12 | TDA8920B |
NXP |
2 X 100 W class-D power amplifier |
|