Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
50
Po
(W)
40
MCE491
50
Po
(W)
40
MCE492
30
30
20
20
10
0
8
12
16
20
24
28
VCC (V)
THD = 10 %; SE; RL = 4 Ω; f = 1 kHz.
Fig 11. Output power as function of supply voltage.
10
0
8
12
16
20
24
28
VCC (V)
THD = 10 %; BTL; RL = 8 Ω; f = 1 kHz.
Fig 12. Output power as function of supply voltage.
10
PD
(W)
8
MCE507
10
PD
(W)
8
MCE508
6
6
4
4
2
2
0
0
4
8
12
16
20
Po (W)
0
0
4
8
12
16
20
Po (W)
VCC = 18 V; SE; RL = 4 Ω.
Fig 13. Total (worst case, both channels driven) power
dissipation as function of channel output power
per channel.
VCC = 18 V; BTL; RL = 8 Ω.
Fig 14. Total (worst case, both channels driven) power
dissipation as function of channel output power
per channel.
9397 750 12587
Preliminary data
Rev. 02 — 19 January 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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