Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
[3] Output voltage in mute mode (VMODE = 7 V) and an input voltage of 1 V (RMS) in a bandwidth from 20 Hz to 22 kHz, so including noise.
107
Vo
(µV)
106
105
104
103
102
10
1
0
4
8
12
Vi = 50 mV; BTL; VCC = 18 V.
Fig 4. AC output voltage as function of mode voltage.
mce486
16
20
VMODE (V)
MCE485
60
Po
(W)
40
20
RL = 1 Ω
2Ω
3Ω
4Ω
8Ω
0
8
12
16
20
24
28
VCC (V)
THD = 10 %.
Fig 5. Output power (one channel) as function of
supply voltage for various SE loads.
60
Po
(W)
40
20 RL = 2 Ω
MCE484
4Ω 6Ω
8Ω
16 Ω
0
8
12
16
20
24
28
VCC (V)
THD = 10 %.
Fig 6. Output power (one channel) as function of
supply voltage for various BTL loads.
9397 750 12587
Preliminary data
Rev. 02 — 19 January 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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