Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
102
THD+N
(%)
10
MCE488
102
THD+N
(%)
10
MCE487
1
10−1
1
10−1
10−120−1
1
10
102
Po (W)
VCC = 18 V; SE; f = 1 kHz; RL = 4 Ω.
Fig 7. Total harmonic distortion as function of output
power.
10−120−1
1
10
102
Po (W)
VCC = 18 V; BTL; f = 1 kHz; RL = 8 Ω.
Fig 8. Total harmonic distortion as function of output
power.
10
THD+N
(%)
1
MCE489
10
THD+N
(%)
1
MCE490
10−1
10−1
10−2
10
102
103
104
105
f (Hz)
VCC = 18 V; SE; Po = 1 W; RL = 4 Ω.
Fig 9. Total harmonic distortion as function of
frequency.
10−2
10
102
103
104
105
f (Hz)
VCC = 18 V; BTL; Po = 1 W; RL = 8 Ω.
Fig 10. Total harmonic distortion as function of
frequency.
9397 750 12587
Preliminary data
Rev. 02 — 19 January 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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