Philips TDA8943SF - Page 10

Philips Semiconductors
TDA8943SF
6 W mono Bridge Tied Load (BTL) audio amplifier
Product specification Rev. 02 — 7 April 2000 10 of 20
9397 750 06865
© Philips Electronics N.V. 2000. All rights reserved.
V
CC
=12V.
Fig 10. Efficiency as function of output power. Fig 11. Power dissipation as function of output power.
V
CC
= 12 V; R
s
=0Ω; V
ripple
= 707 mV (RMS); no bandpass filter applied.
Curve A: inputs short-circuited
Curve B: inputs short-circuited and connected to ground (asymmetrical application)
Fig 12. Supply voltage ripple rejection as function of frequency.
handbook, halfpage
100
80
60
40
20
0
02468
P
o
(W)
η
(%)
10
MGU047
R
L
= 16 Ω
8 Ω
handbook, halfpage
5
4
3
2
1
0
02468
P
o
(W)
P
(W)
10
MGU046
R
L
= 8 Ω
16 Ω
handbook, full pagewidth
SVRR
(dB)
10
2
10
3
10
4
10
5
10
f (Hz)
−20
0
−40
−60
−80
MGU042
B
A