TDA8947J anfi devresi (2x25w 1x50w) - 320Volt
TDA8947J anfi devresi (2x25w 1x50w) - 320Volt
TDA8947J anfi devresi (2x25w 1x50w) - 320Volt
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Philips Semiconductors<br />
<strong>TDA8947J</strong><br />
4-channel audio amplifier<br />
10 7<br />
V o<br />
(µV)<br />
10 6<br />
coc005<br />
10 5<br />
10 4<br />
10 3<br />
10 2<br />
10<br />
1<br />
0 4 8 12<br />
16 20<br />
V MODE1 (V)<br />
Fig 4.<br />
BTL; V CC =18V; V i =50mV.<br />
AC output voltage as function of voltage on pin MODE1<br />
60<br />
mce485<br />
60<br />
mce484<br />
P o<br />
(W)<br />
P o<br />
(W)<br />
4 Ω<br />
6 Ω<br />
40<br />
40<br />
8 Ω<br />
2 Ω<br />
3 Ω<br />
20<br />
20<br />
R L = 2 Ω<br />
16 Ω<br />
R L = 1 Ω<br />
4 Ω<br />
8 Ω<br />
0<br />
8<br />
12 16 20 24 28<br />
V CC (V)<br />
0<br />
8<br />
12 16 20 24 28<br />
V CC (V)<br />
THD = 10 %; one channel.<br />
THD = 10 %; one channel.<br />
a. SE b. BTL<br />
Fig 5. Output power as function of supply voltage at various loads<br />
9397 750 14938 © Koninklijke Philips Electronics N.V. 2005. All rights reserved.<br />
Product data sheet Rev. 02 — 16 June 2005 11 of 24
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