Philips TDA8542 1998 Apr 01 13, Fig.17 Channel separation as a function of frequency., Fig.19 Po as a function of VCC., Fig.18 SVRR as a function of frequency., Fig.20 Worst case power dissipation as a function of VCC.

1998 Apr 01 13
Philips Semiconductors Product specification
2× 1 W BTL audio amplifier TDA8542
Fig.17 Channel separation as a function of
frequency.
Vo= 1 V, Gv=20dB.
(1) VCC = 5 V, RL=32Ω, to buffer.
(2) VCC = 7.5 V, RL=4Ω.
(3) VCC = 9 V, RL=8Ω.
(4) VCC = 12 V, RL=16Ω.
(5) VCC = 5 V, RL=32Ω.
handbook, halfpage
−100
−80
−60
−40
−20
MGD901
10
(2)
102103104f (Hz) 105
(4)
(5)
(1)
(3)
αcs
(dB)
Fig.18 SVRR as a function of frequency.
VCC = 7.5 V, RL=4Ω,Rs=0Ω, Vr= 100 mV.
(1) Gv=24dB.
(2) Gv=20dB.
(3) Gv= 0 dB.
handbook, halfpage
−80
−60
−40
−20
MGD902
10 102103
SVRR
(dB)
f (Hz)
104105
(1)
(2)
(3)
Fig.19 Po as a function of VCC.
THD = 10%.
(1) RL=4Ω.
(2) RL=8Ω.
(3) RL=16Ω.
handbook, halfpage
0
(1) (2) (3)
48
P
o
(W)
VCC (V)16
2
0
1.6
12
1.2
0.8
0.4
MGD903
Fig.20 Worst case power dissipation as a function
of VCC.
(1) RL=4Ω.
(2) RL=8Ω.
(3) RL=16Ω.
handbook, halfpage
0
3
2
VCC (V)
1
048
(1) (2) (3)
1612
MGD904
P
(W)