
1998 Mar 25
13
Philips Semiconductors
Product specication
2
× 1.5 W BTL audio amplier
TDA8542AT
Fig.17 Channel separation as a function of
frequency.
handbook, halfpage
100
80
60
40
20
MGD901
10
(2)
102
103
104
f (Hz)
105
(4)
(5)
(1)
(3)
α
cs
(dB)
Vo = 1 V, Gv =20dB.
(1) VCC = 5 V, RL =32 , to buffer.
(2) VCC = 7.5 V, RL =4 .
(3) VCC = 9 V, RL =8 .
(4) VCC = 12 V, RL =16 .
(5) VCC = 5 V, RL =32 .
Fig.18 SVRR as a function of frequency.
RS =0 , Vr = 100 mV.
(1) Gv =24dB.
(2) Gv =20dB.
(3) Gv = 0 dB.
handbook, halfpage
80
60
40
20
MGD902
10
102
103
SVRR
(dB)
f (Hz)
104
105
(1)
(2)
(3)
Fig.19 Po as a function of VCC.
THD = 10%.
(1) RL =4 .
(2) RL =8 .
(3) RL =16 .
handbook, halfpage
0
(1)
(2)
(3)
48
Po
(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.
THD = 10%.
(1) RL =4 .
(2) RL =8 .
(3) RL =16 .
handbook, halfpage
0
3
2
VCC (V)
1
0
48
(1)
(2)
(3)
16
12
MGM217
P
(W)