Philips Semiconductors
TFA9843J
2-channel audio amplifier (2 x SE or 1 x BTL)
0
αcs
(dB)
−20
MCE495
0
αcs
(dB)
−20
MCE496
−40
−40
−60
−60
−80
−80
−100
10
102
103
104
105
f (Hz)
VCC = 18 V; SE; RL = 4 Ω.
Fig 15. Channel separation as function of frequency
(no bandpass filter applied).
−100
10
102
103
104
105
f (Hz)
VCC = 18 V; BTL; RL = 8 Ω.
Fig 16. Channel separation as function of frequency
(no bandpass filter applied).
0
SVRR
(dB)
−20
MCE497
0
SVRR
(dB)
−20
MCE498
−40
−40
−60
−60
−80
10
102
103
104
105
f (Hz)
VCC = 18 V; SE; Rsource = 0 Ω; Vripple = 300 mV (RMS); a
bandpass filter of 20 Hz to 22 kHz has been applied;
inputs short-circuited.
Fig 17. Supply voltage ripple rejection as function of
frequency.
−80
10
102
103
104
105
f (Hz)
VCC = 18 V; BTL; Rsource = 0 Ω; Vripple = 300 mV (RMS);
a bandpass filter of 20 Hz to 22 kHz has been applied;
inputs short-circuited.
Fig 18. Supply voltage ripple rejection 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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